RAA23014x RAA23015x Datasheet RAA23014x RAA23015x 28.0V Input, Step-Down DC/DC Converter + Battery Backup R18DS0019EJ0100 REV.1.00 Sep.09.2015 Description The RAA23014x and RAA23015x are 1CH step-down DC/DC converter, 7V to 28V input voltage range. Auto PFM mode makes devices low power operation at light load, so it makes a system lower power. The RAA23014x is suitable for battery backup system using lithium primary cell with built-in battery backup circuit. Features z DC/DC Synchronous rectification type step-down DC/DC Auto PFM mode Battery backup circuit (RAA23014x) Input voltage range 7V to 28V Output voltage range 0.8V to 6V Maximum output current 3A Shutdown current 1uA (typ.) Switching frequency 1.1MHz (fixed) Soft start 2ms (fixed) Integrated power MOSFETs Discharge circuit Internal phase compensator z Protection circuit Short circuit protection (latch type) Thermal shutdown circuit 165C (typ.) Under voltage lockout circuit (recovery type) z Package 16-pin HTSSOP (RAA23014x) 8-pin HLSOP (RAA23015x) Application Communication (Router, Home Gate Way, Radio, etc.) Industrial (Surveillance camera, Various controller, etc.) Building (Security device, Emergency device, Various controller, etc.) OA (Printer, Plane paper copier, etc.) Smart meter Smart home appliances And, usable various application Note: A quality grade of the devices is "Standard". Recommended applications are indicated below. Computers, office equipment, communications equipment, test and measurement equipment, audio and visual equipment, home electronic appliances, machine tools, personal electronic equipment, and industrial robots, etc. R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 1 of 25 RAA23014x RAA23015x Product Lineup Table Part number Output Type VIN range VOUT IOUT (max.) Package SW frequency RAA230141 1 Step-down + BB 7V to 28V 3.3V(fixed) 3A 16pin HTSSOP 1.1MHz RAA230142 1 Step-down + BB 7V to 28V 5.0V(fixed) 3A 16pin HTSSOP 1.1MHz RAA230143 1 Step-down + BB 7V to 28V 0.8V to 6.0V (adjustable by external resistors) 3A 16pin HTSSOP 1.1MHz RAA230151 1 Step-down 7V to 28V 3.3V(fixed) 3A 8pin HLSOP 1.1MHz RAA230152 1 Step-down 7V to 28V 5.0V(fixed) 3A 8pin HLSOP 1.1MHz RAA230153 1 Step-down 7V to 28V 0.8V to 6.0V (adjustable by external resistors) 3A 8pin HLSOP 1.1MHz Note BB : Battery Backup Circuit example RAA230143 (1CHDCDC + Battery Backup, VOUT set by external resistors) 0.47uF 44uF T.B.D. RAA230153 (1CHDCDC, VOUT set by external resistors) 44uF T.B.D. R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 2 of 25 RAA23014x RAA23015x Block Diagram RAA23014x (1CHDCDC + Battery backup, VOUT set by external resistors) Input Voltage R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 3 of 25 RAA23014x RAA23015x RAA23015x (1CHDCDC, VOUT set by external resistors) Input Voltage R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 4 of 25 RAA23014x RAA23015x Pin Function RAA23014x (1CHDCDC + Battery backup) Pin No. 1 2 3 4 Symbol I/O Function VOUT FB VBB_IN VBB_OUT I I I O 5 EN I 6 x_AutoPFM I 7 VREG O 8 9 GND GND I/O I/O VOUT feedback Feedback resistor connection Battery connection Backup voltage output Device enable EN="L" : Disable (shutdown) EN="H" : Enable (operation) Auto PFM mode ON/OFF x_AutoPFM="L" : Auto PFM mode (change automatically) PFM mode at light load PWM mode at heavy load x_AutoPFM="H" : PWM mode (fixed) Internal power supply output (Connect 1uF capacitor between VREG and GND) Ground Ground 10 11 12 13 14 15 16 GND GND LX Boost VIN I/O I/O O I I Ground Ground Inductor connection Boot strap input (Connect 0.1uF capacitor between LX and Boost) Power supply GND GND I/O I/O Ground Ground RAA23015x (1CHDCDC) Pin No. 1 2 Symbol VOUT FB I I 3 VREG O 4 EN I 5 6 7 8 GND LX Boost VIN R18DS0019EJ0100 REV.1.00 Sep.09.2015 I/O I/O O I I Function VOUT feedback Feedback resistor connection Internal power supply output (Connect 1uF capacitor between VREG and GND) Device enable EN="L" : Disable (shutdown) EN="H" : Enable (operation) Ground Inductor connection Boot strap input (Connect 0.1uF capacitor between LX and Boost) Power supply Page 5 of 25 RAA23014x RAA23015x Absolute Maximum Ratings (Unless otherwise specified, TA = 25C) Parameter VIN applied voltage EN applied voltage x_AutoPFM applied voltage (RAA23014x) FB applied voltage VOUT applied voltage Symbol Ratings Unit Condition VIN -0.3 to +30.0 V VIN EN -0.3 to +30.0 V EN x_AutoPFM -0.3 to +30.0 V x_AutoPFM FB -0.3 to +6.5 V FB VOUT -0.3 to +6.5 V VOUT VBB_IN -0.3 to +6.5 V VBB_IN VIN input current(peak) IVIN(peak)- 4.2 A VIN LX output current(peak) ILX(peak)+ 4.2 A LX VBB_IN applied voltage (RAA23014x) VOUT VOUT sink current (DC) IVOUT(DC)- 100 mA When discharge circuit operation GND voltage Total power dissipation GND -0.3 to +0.3 16pin HTSSOP PT 2900*1 8pin HLSOP PT 2600*2 V GND mW TA25 Operating ambient temperature TA -40 to +85 C Operating junction temperature TJ -40 to +125 C Tstg -55 to +150 C Storage temperature Note: *1 This is the value at TA < +25C. At TA > +25C, the total power dissipation decrease with -29.0 mW/C. Board specification : 4-layers glass epoxy board, 76.2mm x 114.3mm x 1.664mm. Copper coverage area: 50%, 0.070mm thickness (top and bottom layers) 95%, 0.035mm thickness ( layers 2 and 3). Connecting exposed pad *2 This is the value at TA < +25C. At TA > +25C, the total power dissipation decrease with -26.0 mW/C. Board specification : 4-layers glass epoxy board, 76.2mm x 114.3mm x 1.664mm. Copper coverage area: 50%, 0.070mm thickness (top and bottom layers) 95%, 0.035mm thickness ( layers 2 and 3). Connecting exposed pad Caution: Product quality may suffer if the absolute maximum rating is exceeded even momentarily for any parameter. That is, the absolute maximum ratings are rated values at which the product is on the verge of suffering physical damage, and therefore the product must be used under conditions that ensure that the absolute maximum ratings are not exceeded. R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 6 of 25 RAA23014x RAA23015x Recommended Operating Condition (Unless otherwise specified, TA = 25C) Parameter Symbol MIN. VIN applied voltage VIN EN applied voltage x_AutoPFM applied voltage FB applied voltage Output voltage set by external resistors TYP. MAX. Unit Condition 7 28.0 V VIN EN 0 28.0 V EN*1 x_AutoPFM 0 28.0 V x_AutoPFM FB 0 6.0 V FB Vdcdc_ext *2 6.0 V RAA230143/153 *1 About rising time (tr) and falling time (tf) of input signal to EN1 and EN2 pins, when EN1 and EN2 pins are not connected to power supply pin (VIN), set tr and tf less than 100ms. When EN1 and EN2 pins are connected to VIN pin, there are no restriction. VIN 90% EN 10% 90% 10% *2 RAA230143/153 Output voltage setting area (Expansion of a lower limit) Output voltage setting area 9V R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 7 of 25 RAA23014x RAA23015x Electrical Characteristics (Unless otherwise specified, TA = 25C, VIN = 24V) Parameter Total Symbol Shutdown current Under voltage lock out circuit (UVLO) Internal power supply (VREG) IDD(SHDN) Condition 1 10 uA EN=GND 3.9 4.2 V VIN rising are detected Operating stop voltage Vdet(vin) 3.4 3.7 4.0 V VIN falling are detected Internal power supply voltage VREG 4.7 5.0 5.3 V Ireg = 0mA, VIN=7V to 28.6V E/A feedback voltage vref07 0.693 0.700 0.707 V Include input offset RAA230143/153 +2.5 % RAA230141/142/151/152 Soft start time*1 Detect temperature Vacc -2.5 Ronh 220 m Iout = 100mA Ronl 170 m Iout = 100mA Rondc 100 200 2 3.5 ms tss 1.2 *2 Hysteresis temperature *2 165 C 20 C Io=15mA High level threshold voltage VIH 1.3 VIN+0.3 V EN, x_AutoPFM Low level threshold voltage VIL -0.3 0.4 V EN, x_AutoPFM Input current IEN uA EN = 3.3V x_AutoPFM = 3.3V VBB input voltage range Battery On-resistance between backup VBB_IN and VBB_OUT (only RAA23014x) On-resistance between VOUT and VBB_OUT Note: Unit 3.6 Low side FET on-resistance Logic input MAX. Vrls(vin) Discharging On resistance Circuit block Thermal shutdown circuit TYP. Operating start voltage E/A feedback voltage + Output (PWM mode) Feedback resistor accuracy High side FET on-resistance Soft start MIN. VBB 1 2.7 3.0 3.7 V Ron_vbat 400 VBB_OUT = VBB_IN, Io=0.5mA Ron_vout 100 VBB_OUT = VOUT, Io=0.5mA *1 Reference value *2 Not production tested. R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 8 of 25 RAA23014x RAA23015x Typical Performance Characteristics (Unless otherwise specified, TA = 25C) Efficiency vs. Output Current RAA230152 VOUT=5.0 V, Auto PFM mode RAA230151 VOUT=3.3 V, Auto PFM mode 100 90 80 70 VIN=28V 60 VIN=12V 50 VIN=24V 80 70 VIN=28V 60 VIN=12V 50 VIN=24V 40 VIN=12V 90 VIN=24V Efficiency [%] Efficiency [%] 100 VIN=12V VIN=24V 40 VIN=28V 30 VIN=28V 30 1 10 100 IOUT [mA] 1000 1 10000 10 100 IOUT [mA] 1000 10000 Output Voltage vs. Output Current RAA230152 VOUT=5.0 V, Auto PFM mode 3.9 6.5 3.7 6.0 3.5 5.5 Vout V Vout V RAA230151 VOUT=3.3 V, Auto PFM mode 5.0 3.3 4.5 3.1 2.9 VIN=24V 4.0 VIN=24V 3.5 2.7 1 10 100 IOUT mA R18DS0019EJ0100 REV.1.00 Sep.09.2015 1000 10000 1 10 100 1000 10000 IOUT mA Page 9 of 25 RAA23014x RAA23015x Temperature Derating Curve 3500 16-pin HTSSOP (RAA23014x) 3000 Pr(mW) 2500 2000 1500 1000 500 0 0 25 50 75 100 125 TA() 3500 8-pin HLSOP (RAA23015x) 3000 Pr(mW) 2500 2000 1500 1000 500 0 0 25 50 75 100 125 TA() R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 10 of 25 RAA23014x RAA23015x Detailed Description Control Block EN : ON/OFF setting EN state VREG L Shutdown 0V H Operation 5.0V Note: L: Low level, H: High level Note: There is no pull-down resistor within EN pin because of reducing power consumption at light load. Fix EN pin to high level or low. x_autoPFM : AutoPFM mode/ PWM mode setting (only RAA23014x) x_autoPFM L Operation Auto PFM mode (change automatically) PFM mode at light load PWM mode at heavy load H PWM mode (fixed) Note: L: Low level, H: High level Note: There is no pull-down resistor within x_autoPFM pin because of reducing power consumption at light load. Fix x_autoPFM pin to high level or low. R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 11 of 25 RAA23014x RAA23015x Auto PFM mode RAA23014x and RAA23015x have Auto PFM mode to achieve high efficiency over a wide load current range. The devices operate with PFM (Pulse Frequency Modulation) mode at light load current, and PWM (Pulse Width Modulation) mode at heavy load current. An operation mode is automatically switched depending on load current. When a bottom of inductor ripple current is under 0A, reverse current flow at low-side N-channel MOSFET of output block. The devices operate with PFM mode during detecting this current. A current of switching PFM / PWM mode (Ichange) is calculated by an equation below. L : inductance, fSW : 1.1MHz Switching voltage RAA23014x RAA23015x Reverse current detect Reverse current Inductor current Reverse current flow when a bottom of inductor ripple current is under 0A. RAA23014x has x_autoPFM pin. When Low level, the devices operate Auto PFM mode (PFM mode / PWM mode changed automatically). When High level, the devices operate PWM mode, then not change into Auto PFM mode. RAA23015x operates only Auto PFM mode. R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 12 of 25 RAA23014x RAA23015x Soft Start To limit the startup inrush current and output voltage overshoot, a soft start circuit is used to ramp up the reference voltage from 0 V to its final value linearly. When EN pin is set from low level to high level, the device starts operation and output voltage rises with soft start. Soft start time are fixed at 2ms(Typ.) and no additional components are needed. Soft start feature gradually increases the error amplifier (E/A) input threshold voltage by using the voltage that is generated by the digital soft start (DSS) circuit. VOUT E/A FB1, FB2 DSS Circuit 0.7V + Note1 : This figure is the case of RAA230143 or RAA230153. EN VREG 0.7V DSS LX VOUT 2ms Note2 : DSS waveform cannot be observed from IC outside. R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 13 of 25 RAA23014x RAA23015x Discharge Circuit The device has discharge circuit. This enables a rapid discharge without an external MOSFET. When an EN pin is changed from high level to low, discharge switch in VOUT pin is turned on and all capacitors which are connected to DC/DC output are rapidly discharged through VOUT pin. When VIN pin voltage becomes low level, discharge switch become off because there are no voltage to keep them on. The control voltage of discharge switches is VREG, and the discharge time of VREG capacitor is over 100ms when VIN voltage falls down, so even if EN pin is connected to VIN pin, output voltage can be discharged because VREG voltage level can keep the discharge switches on. When VREG voltage falls under 3.7V(typ.), VOUT pin becomes high impedance. Discharge time can be calculated by an equation below. Vdc is a voltage after tdc(s). CALL is sum of all capacitance which are connected to output (output capacitor, bypass capacitor around MCU, etc.). Rondc is on resistance of discharge circuit. VIN Output Control VREG VIN Device A LX Device B PGND Device C Discharge Control VOUT Note : Dashed arrow is discharge line. R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 14 of 25 RAA23014x RAA23015x Battery Backup (RAA23014x) RAA23014x has a battery backup circuit which is used to operate some devices at system power-off. The circuit can be easily designed by RAA23014x without two diodes. When DC/DC operates, VBB_OUT = VOUT. When DC/DC stops and VOUT pin voltage is higher than VBB_IN pin, VBB_OUT = VOUT pin. When DC/DC stops and VOUT pin voltage is lower than VBB_IN pin, VBB_OUT = VBB_IN pin. VBB_OUT voltage value is dependent on on-resistance between VBB_IN and VBB_OUT, On-resistance between VOUT and VBB_OUT and VBB_OUT output current. VBB_OUT can be calculated by equations below. 1. Normal operation mode (VBB_OUT = VOUT) 2. Battery backup mode (VBB_OUT = VBB_IN) VBB_OUT : VBB_OUT voltage (V) VOUT : VOUT voltage = DC/DC output voltage (V) VBB_IN : VBB_IN voltage = Battery voltage (V) IBB_OUT : VBB_OUT output current (A) Ron_vout : On resistance between VOUT and VBB_OUT 100 (Typ.) Ron_vbat : On resistance between VBB_IN and VBB_OUT 400 (Typ.) Note : 2.7V VBB_OUT 3.7V Connect over 0.47nF capacitor to VBB_OUT pin. Note : POK is an IC internal signal which identifies DC/DC operating status. It cannot be seen from IC outside. After DC/DC has started up, there is about 1ms delay time till POK becomes high level. VBB_OUT pin output status DC/DC Operation (POK = H) VOUT, VBB_IN VOUT VBB_IN or VOUT < VBB_IN VBB_OUT VOUT Stop (POK = L) VOUT VBB_IN VOUT < VBB_IN VOUT VBB_IN Note : L: Low level, H: High level R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 15 of 25 RAA23014x RAA23015x Timing chart of battery backup 1. With 3.0V battery 2. With 3.6V battery Reference Parameter VBB leak current Symbol IL_BB R18DS0019EJ0100 REV.1.00 Sep.09.2015 MIN. TYP. 0.5 MAX. Unit uA Condition VBB_OUT = VBB_IN = 3.0V, No load Page 16 of 25 RAA23014x RAA23015x Protection Circuit View Protection circuit Short circuit protection (SCP) Function Detect output voltage dropping because of short circuit, etc. (Latch type) Detect rise up of IC internal Thermal temperature shutdown (Over 165C) circuit (Auto recovery type) (TSD) Under voltage Detect dropping of VIN lockout circuit (Auto recovery type) (UVLO) Note SCP : Short Circuit Protection TSD : Thermal Shutdown Circuit UVLO : Under Voltage Lockout Circuit Operation status Common circuit Output (VREG, etc.) Reset Turn EN pin from high level to low level or Drop VIN pin voltage under operation stop voltage of UVLO Operation Latched to off Operation Stop The temperature falls Operation Stop Up VIN over operating start voltage (3.9V) Short Circuit Protection (Latch type) When output voltage drops, FB pin input voltage also drops. If this voltage falls below the input detection voltage (0.35V(typ.)) of the short circuit protection, the output are stopped (latched to OFF). At this time, common circuits (such as the internal power supply block, etc.) continue operating. When the protection is operating, to reset the latch, either turn the EN pin from high to low or drop the VIN pin voltage under operation stop voltage of UVLO. Thermal Shutdown Circuit (Auto Recovery Type) When overheating has been detected (detect temperature: 165C ), the output is stopped. Then, power MOSFET of output both high side and low side are turned off. Common circuits (such as the internal power supply block, etc.) continue operating. If the device temperature falls and becomes under detect temperature, the protection is canceled and output automatically resumes. Under Voltage Lockout Circuit (Auto Recovery Type) (1) Under voltage lockout operation When the power supply voltage (VIN) falls to the operation stop voltage (3.7V(typ.)), output from all channels stops. Common circuits (such as the internal power supply block, etc.) continue operating. (2) Restoring output Once VIN is restored to the Operating start voltage (3.9V(typ.)), the under voltage lockout operation is canceled and output automatically resumes. The output voltage cannot be restored while the under voltage lockout circuit is operating, not even by manipulating the EN pin. Current Limiting If an overcurrent occurs, an output current is limited on a pulse-by-pulse basis. If the current sensor detects an overcurrent, the current is limited and the switching operation of the Power MOSFET in the output stage stops until the next cycle. When an output current is limited, the output voltage drops. If a FB pin voltage falls below the input detection voltage, the short-circuit protection circuit starts operating. R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 17 of 25 RAA23014x RAA23015x Guide for Circuit Design Setting Output Voltage (When the output voltage is set by external resistor) The output voltage can be calculated by an equation below. VOUT = 0.7 x (1 + R1 / R2) VOUT R1 - R2 + 0.7V Examples of R1 and R2 selection Vout 0.9V 1.0V 1.05V 1.1V 1.18V 1.2V 1.5V 1.8V 2.5V 3.3V 5.0V R1 180k 220k 180k 270k 270k 130k 150k 470k 620k 820k 680k R2 620k 510k 360k 470k 390k 180k 130k 300k 240k 220k 110k Output voltage accuracy (When the output voltage is set by external resistor) Output voltage accuracy can be calculated by an equation below. VOUTACC is the output voltage accuracy (%). VITHACC is the E/A input threshold voltage accuracy (%). VOUT is the output voltage (V). RACC is the external resistor accuracy (%). So, an output voltage accuracy of the device is below. Note : These equation don't include Vout fluctuation by load step transient. R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 18 of 25 RAA23014x RAA23015x Inductor selection An inductor target is that ripple current (IL) of inductor becomes 10 to 40 % of Iout(max). When IL increases, inductor current peak raises, so ripple of Vout gets larger and power loss increases. But, large size inductor is required to lower IL. IL can be calculated by an equation below. fsw is 1.1MHz. Peak current of inductor (ILpeak) can be calculated by an equation below. Choose a inductor which saturation current is higher than ILpeak . Inductor Example Inductance (uH) Inductor Manufacturer ITEMP (A) ISAT (A) Size (LxWxT, mm) 3.3 NRS5030T3R3MMGJ TAIYO YUDEN 3.0 3.6 4.9x4.9x3.1 3.3 7447789003 WURTH 3.4 4.2 7.3x7.3x3.2 4.7 NRS5040T4R7NMGK TAIYO YUDEN 3.1 3.3 4.9x4.9x4.1 4.7 744777004 WURTH 4.0 4.0 7.3x7.3x4.3 6.8 NRS8030T6R8MJGJV TAIYO YUDEN 3.4 3.0 8.0x8.0x3.0 6.8 7447779006 WURTH 2.9 3.3 7.3x7.3x4.2 10 NRS8040T100MJGJV TAIYO YUDEN 3.1 3.8 8.0x8.0x4.0 10 744066100 WURTH 3.6 4.0 10.0x10.0x3.8 Note ITEMP : Rated current by temperature rising ISAT : Rated current by inductance loss These inductors are examples. About inductor detail, contact each manufacturer R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 19 of 25 RAA23014x RAA23015x Output capacitor selection RAA23014x and RAA23015x have a phase compensation circuit which is optimized to DC/DC operation. In order to operate stably with the phase compensation, connect the output capacitor which is over 44 uF. Ceramic capacitor can be used for output capacitor. It has low ESR, so VOUT ripple is decreased. VOUT ripple (Vrpl) can be calculated by an equation below. ESR : Equivalent Series Resistance Input capacitor selection Connect an input capacitor which is over 10 uF between each VIN pin and power ground. It should be placed close to the device as possible. VREG capacitor Connect 1uF ceramic capacitor to VREG pin. Bootstrap capacitor Connect 0.1uF ceramic capacitor between LX pin and Boost pin. R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 20 of 25 RAA23014x RAA23015x Feedback capacitor When PFM operation at Auto PFM mode, feedback capacitor can be connected in parallel to high side output voltage setting resistor to adjust phase characteristic. If connected, there are possibility that operation in large current (at PWM operation) is not stable. Confirm the operation with system status. VOUT VOUT Feedback Capacitor R1 FB R2 When using feedback capacitor with an output voltage fixed product, connect feedback capacitor between VOUT pin and FB pin. Example of RAA230141, RAA230142 When not using feedback capacitor with an output voltage fixed product, keep FB pin open. Example of RAA230141, RAA230142 R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 21 of 25 RAA23014x RAA23015x Components example VIN (V) VOUT (V) L (uH) Cout (uF) 24 5V 3.3V 4.7 4.7 44 44 R18DS0019EJ0100 REV.1.00 Sep.09.2015 CFB (pF) Auto PFM mode 0 to 100 0 to 100 PWM mode No need No need Page 22 of 25 RAA23014x RAA23015x Notes on Use Pattern Wiring To actually perform pattern wiring, separate a ground of control signal from a ground of a power line, so that these grounds do not have a common impedance as much as possible. Connection of Exposed PAD HTSSOP and HLSOP packages have an Exposed PAD on the bottom to improve radiation performance. On the mounting board, connect this Exposed PAD to GND. Fixed Usage of Control Input Pin When EN pin and x_AutoPFM pin are fixed, connect to a pin listed below. Input Pin EN x_AutoPFM R18DS0019EJ0100 REV.1.00 Sep.09.2015 Connect Pin Fixed to Low Level Fixed to High Level GND VIN GND VIN Page 23 of 25 RAA23014x RAA23015x Package Dimensions 16pin TSSOP (RAA23014x) R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 24 of 25 RAA23014x RAA23015x 8pin HLSOP (RAA23015x) R18DS0019EJ0100 REV.1.00 Sep.09.2015 Page 25 of 25 Revision History Rev. 1.00 Date Sep.09.2015 RAA23014x, RAA23015x Data Sheet Page - Description Summary First Edition issued. All trademarks and registered trademarks are the property of their respective owners. C-1 Notice 1. Descriptions of circuits, software and other related information in this document are provided only to illustrate the operation of semiconductor products and application examples. You are fully responsible for the incorporation of these circuits, software, and information in the design of your equipment. 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