NCV51460 20mA Micropower Precision Voltage Reference The NCV51460 is a high performance, low power precision voltage reference. This device combines very high accuracy, low power dissipation and small package size. It can supply output current up to 20 mA at a 3.3 V fixed output voltage with excellent line and load regulation characteristics making it ideal for precision regulator applications. It is designed to be stable with or without an output capacitor. The protective features include Short Circuit and Reverse Input Voltage Protection. The NCV51460 is packaged in a 3-lead surface mount SOT-23 package. www.onsemi.com SOT-23 SN1 SUFFIX CASE 318 Features * * * * * * * * * * Fixed Output Voltage 3.3 V VOUT Accuracy 1% over -40C to +125C Wide Input Voltage Range up to 28 V Low Quiescent Current Low Noise Reverse Input Voltage Protection Stable Without an Output Capacitor Available in 3 leads SOT-23 Package NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC-Q100 Qualified and PPAP Capable These Devices are Pb-Free, Halogen Free/BFR Free and are RoHS Compliant Typical Applications * * * * * Precision Regulators, High Accuracy Micropower Supplies Data Acquisition Systems Instrument Equipment Cameras, Camcorders, Sensors GND 3 JJMG G 1 VIN 2 VOUT (Top View) JJ = Specific Device Code M = Date Code G = Pb-Free Package (Note: Microdot may be in either location) ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 10 of this data sheet. VIN = 4.2 to 28 V VOUT VIN CIN 0.1 mF MARKING DIAGRAM AND PIN ASSIGNMENT VOUT NCV51460 (3.3 V fixed) 3.3 V GND Figure 1. Typical Application Schematics (c) Semiconductor Components Industries, LLC, 2017 March, 2017 - Rev. 0 1 Publication Order Number: NCV51460/D NCV51460 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA Table 1. PIN FUNCTION DESCRIPTION Pin No. Pin Name Description 1 VIN 2 VOUT Regulated Output Voltage 3 GND Power Supply Ground; Device Substrate Positive Input Voltage Table 2. MAXIMUM RATINGS Rating Symbol Value Unit Input Voltage (Note 1) VIN 30 V Reverse Input Voltage VIN -15 Output Short Circuit Duration, TA = 25C VIN 27 V VIN > 27 V tSC Operating Ambient Temperature Range TA V sec R 50 -40 to 125 C TJ(max) 150 C TSTG -65 to 150 C ESD Capability, Human Body Model (Note 2) ESDHBM 2000 V ESD Capability, Machine Model (Note 2) ESDMM 200 V Maximum Junction Temperature Storage Temperature Range Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 1. Refer to ELECTRICAL CHARACTERISTICS and APPLICATION INFORMATION for Safe Operating Area. 2. This device series incorporates ESD protection and is tested by the following methods: ESD Human Body Model tested per AEC-Q100-002 (EIA/JESD22-A114) ESD Machine Model tested per AEC-Q100-003 (EIA/JESD22-A115) Latch up Current Maximum Rating: 150 mA per JEDEC standard: JESD78. Table 3. THERMAL CHARACTERISTICS Rating Symbol Value Unit RqJA 246 C/W Thermal Characteristics, SOT-23 package Thermal Resistance, Junction-to-Ambient (Note 3) 3. Soldered on 1 oz 50 mm2 FR4 copper area. Table 4. RECOMMENDED OPERATING RANGES Rating Symbol Min Max Unit Operating Input Voltage (Note 4) VIN VOUT + 0.9 28 V Operating Ambient Temperature Range TA -40 125 C Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond the Recommended Operating Ranges limits may affect device reliability. 4. Refer to ELECTRICAL CHARACTERISTICS and APPLICATION INFORMATION for Safe Operating Area. www.onsemi.com 2 NCV51460 Table 5. ELECTRICAL CHARACTERISTICS (VIN = VOUT + 2.5 V, IOUT = 0, CIN = 0.1 mF, COUT = 0 mF; For typical values TA = 25C, for min/max values -40C TA 125C unless otherwise noted.) (Note 5). Parameter Test Conditions Symbol Min Typ Max Unit VOUT 3.267 (-1%) 3.3 3.333 (+1%) V Output Voltage Line Regulation VIN = VOUT + 0.9 V to VOUT + 2.5 V VIN = VOUT + 2.5 V to VOUT + 20 V RegLINE - - 150 65 500 130 ppm/V Load Regulation IOUT = 0 to 100 mA IOUT = 0 to 10 mA IOUT = 0 to 20 mA RegLOAD - - - 1100 150 120 4000 400 400 ppm/mA Dropout Voltage Measured at VOUT - 2% IOUT = 0 mA IOUT = 10 mA - - 0.65 0.9 0.9 1.4 VDO V Quiescent Current IOUT = 0 mA, TA = 25C IOUT = 0 mA, 0C TA 100C IQ - - 140 200 220 mA Output Short Circuit Current VOUT = 0 V, TA = 25C ISC - 80 - mA Reverse Leakage VIN = - 15 V, TA = 25C ILEAK - 0.1 10 mA Output Noise Voltage (Note 6) f = 0.1 Hz to 10 Hz f = 10 Hz to 1 kHz VN - 12 18 - mVPP mVrms Output Voltage Temperature Coefficient 0C TA 100C -40C TA 125C TCO - - 18 34 - - ppm/C Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. 5. Performance guaranteed over the indicated operating temperature range by design and/or characterization, tested at TJ = TA = 25C. Low duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible. 6. The noise spectral density from 0.1 Hz to 10 Hz is measured, then the integral output noise voltage in this range is calculated. Finally the peak to peak noise is calculated as 5x integral output noise. 3.332 3.327 IOUT = 0 mA 3.322 COUT = 0 mF 3.317 3.312 VIN = VOUT + 20 V 3.307 3.302 3.297 3.292 VIN = VOUT + 0.9 V VIN = VOUT + 2.5 V 3.287 3.282 3.277 3.272 3.267 -40 -20 0 20 40 60 80 100 120 VOUT, OUTPUT VOLTAGE (V) VOUT, OUTPUT VOLTAGE (V) TYPICAL CHARACTERISTICS 140 3.332 3.327 VIN = VOUT + 2.5 V 3.322 COUT = 0 mF 3.317 3.312 IOUT = 0 mA 3.307 3.302 3.297 3.292 IOUT = 10 mA 3.287 3.282 IOUT = 20 mA 3.277 3.272 3.267 -40 -20 0 20 40 60 80 100 120 140 TJ, JUNCTION TEMPERATURE (C) TJ, JUNCTION TEMPERATURE (C) Figure 2. Output Voltage vs. Temperature Figure 3. Output Voltage vs. Temperature www.onsemi.com 3 NCV51460 TYPICAL CHARACTERISTICS 1.2 3.332 3.327 VIN = 5.8 V 3.322 IOUT = 0 mA 3.317 COUT = 0 mF 3.312 Unit 1 3.307 3.302 3.297 3.292 3.287 Unit 3 Unit 2 3.282 3.277 3.272 3.267 -40 -20 0 20 VOUT, OUTPUT VOLTAGE (V) VDROP, DROPOUT VOLTAGE (V) Three Typical Parts 40 60 80 100 120 0.7 IO = 5 mA 0.6 IO = 1 mA IO = 0 mA 0.5 -20 0 20 40 60 80 100 TJ, JUNCTION TEMPERATURE (C) Figure 4. Output Voltage vs. Temperature Figure 5. Dropout Voltage REGLINE, LINE REGULATION (mV) IQ, QUIESCENT CURRENT (mA) IO = 10 mA 0.8 TJ, JUNCTION TEMPERATURE (C) IOUT = 0 mA COUT = 0 mF 350 300 TJ = 125C 250 200 TJ = 25C 150 100 TJ = -25C 50 0 2 4 6 8 10 12 14 16 18 IOUT = 0 mA 4.5 COUT = 0 mF 120 140 20 VIN = 5.8 to 23.3 V 4.0 VIN = 5.8 to 18.3 V 3.5 3.0 2.5 VIN = 5.8 to 15.3 V 2.0 VIN = 5.8 to 12.3 V 1.5 1.0 VIN = 5.8 to 9.3 V 0.5 -40 0 -20 0 20 40 60 80 100 VIN, INPUT VOLTAGE (V) TJ, JUNCTION TEMPERATURE (C) Figure 6. Quiescent Current Figure 7. Line Regulation 12 120 140 160 VIN = 5.8 V COUT = 0 mF LOADREG, LOAD REGULATION (mV) REGLOAD, LOAD REGULATION (mV) IO = 20 mA 0.9 5.0 400 8 1.0 0.4 -40 140 450 10 COUT = 0 mF 1.1 IOUT = 0 to 15 mA IOUT = 0 to IOUT = 0 to 20 mA 10 mA 6 4 2 0 -40 IOUT = 0 to 1 mA -20 0 20 40 60 IOUT = 0 to 5 mA 80 100 120 140 140 VIN = 5.8 V COUT = 0 mF IOUT = 0 mA down to -2 mA 120 100 80 60 IOUT = 0 mA down to -1.2 mA IOUT = 0 mA down to -500 mA 20 80 IOUT = 0 mA 40 down to -1.50 mA 20 0 -40 -20 0 40 60 100 TJ, JUNCTION TEMPERATURE (C) TJ, JUNCTION TEMPERATURE (C) Figure 8. Load Regulation Sourcing Figure 9. Load Regulation Sinking www.onsemi.com 4 120 140 NCV51460 140 COUT = 0 mF 130 VIN = 28 V 120 110 VIN = 15 V 100 90 VIN = 5.8 V 80 70 60 50 40 -40 -20 0 20 40 60 80 100 120 140 TJ, JUNCTION TEMPERATURE (C) PSRR, POWER SUPPLY REJECTION RATIO (dB) ISC, SHORT CIRCUIT CURRENT (mA) TYPICAL CHARACTERISTICS 80 70 60 IOUT = 20 mA 50 40 30 IOUT = 0 mA 20 VIN = 5.8 VDC $50 mVAC COUT = 0 mF TJ = 25C 10 0 10 100 60 IOUT = 1 mA 50 40 IOUT = 0 mA 30 20 VIN = 5.8 VDC $50 mVAC COUT = 0.1 mF MLCC TJ = 25C 10 0 10 100 IOUT = 20 mA 1000 10k f, FREQUENCY 100k 1M PSRR, POWER SUPPLY REJECTION RATIO (dB) PSRR, POWER SUPPLY REJECTION RATIO (dB) 70 PSRR, POWER SUPPLY REJECTION RATIO (dB) PSRR, POWER SUPPLY REJECTION RATIO (dB) IOUT = 10 mA, COUT = 0 mF, TA = 25C fRIPPLE = 100 Hz 60 fRIPPLE = 10 kHz 50 40 30 fRIPPLE = 100 kHz 20 fRIPPLE = 1 MHz 10 0 4 5 6 7 8 9 10 VIN, INPUT VOLTAGE (V) 11 100k 1M 100 90 80 IOUT = 1 mA 70 60 50 IOUT = 0 mA 40 30 VIN = 5.8 VDC $50 mVAC COUT = 1 mF MLCC TJ = 25C 20 10 IOUT = 20 mA 0 10 100 1000 10k f, FREQUENCY 100k 1M Figure 13. Power Supply Rejection Ratio Cout = 1 mF 90 70 10k Figure 11. Power Supply Rejection Ratio Cout = 0 mF Figure 12. Power Supply Rejection Ratio Cout = 0.1 mF 80 1000 f, FREQUENCY Figure 10. Short Circuit Current 80 IOUT = 1 mA 12 80 IOUT = 20 mA, COUT = 0 mF, TA = 25C 70 fRIPPLE = 100 Hz 60 fRIPPLE = 10 kHz 50 40 30 fRIPPLE = 100 kHz 20 fRIPPLE = 1 MHz 10 0 4 Figure 14. Power Supply Rejection Ratio vs. Input Voltage 5 6 7 8 9 10 VIN, INPUT VOLTAGE (V) 11 Figure 15. Power Supply Rejection Ratio vs. Input Voltage www.onsemi.com 5 12 NCV51460 TYPICAL CHARACTERISTICS 2.0 VIN = 5.8 V IOUT = 0 mA, COUT = 0 mF, TA = 25C 2.2 2.0 1.8 1.6 1.4 1.2 1.0 Vn, OUTPUT NOISE (mVrms/rtHz) Vn, OUTPUT NOISE (mVrms/rtHz) 2.4 0.1 Hz - 10 Hz Integral Noise: Vn = 2.28 mVrms 0.8 0.6 0.4 0.2 1 1.4 1.2 1.0 10 Hz - 1 kHz Integral Noise: Vn = 18 mVrms 0.8 0.6 0.4 0.2 10 10 100 1000 10k 100k 1M f, FREQUENCY (Hz) f, FREQUENCY (Hz) Figure 16. Output Voltage Noise 0.1 Hz - 10 Hz Figure 17. Output Voltage Noise 10 Hz - 1 MHz 1.8 VIN = 5.8 V IOUT = 0 mA to 20 mA, COUT = 0.1 mF MLCC, TA = 25C 1.6 1.4 Vn, OUTPUT NOISE (mVrms/rtHz) 2.0 Vn, OUTPUT NOISE (mVrms/rtHz) 1.6 0.0 0.0 0.1 IOUT = 0 mA 1.2 1.0 IOUT = 1 mA 0.8 0.6 0.4 IOUT = 10 mA 0.2 0.0 VIN = 5.8 V IOUT = 0 mA to 20 mA, COUT = 0 mF, TA = 25C 1.8 IOUT = 20 mA 10 100 1000 10k 100k 1M 3.0 2.8 VIN = 5.8 V 2.6 IOUT = 0 mA to 20 mA, 2.4 COUT = 1 mF MLCC, 2.2 TA = 25C IOUT = 1 mA 2.0 1.8 1.6 IOUT = 10 mA 1.4 IOUT = 0 mA 1.2 1.0 0.8 0.6 0.4 IOUT = 20 mA 0.2 0.0 10 100 1000 10k 100k 1M f, FREQUENCY (Hz) f, FREQUENCY (Hz) Figure 18. Output Voltage Noise 10 Hz - 1 MHz COUT = 0.1 mF Figure 19. Output Voltage Noise 10 Hz - 1 MHz COUT = 1 mF VIN = 5.8 V IOUT = 0 mA to 20 mA, COUT = 10 mF MLCC, TA = 25C 1.8 1.6 1.4 1.2 IOUT = 10 mA IOUT = 20 mA IOUT = 10 mA VOUT, OUTPUT VOLTAGE (50 mV/DIV) Vn, OUTPUT NOISE (mVrms/rtHz) 2.0 IOUT = 1 mA 1.0 0.8 0.6 0.4 IOUT = 0 mA 0.2 0.0 10 100 1000 10k 100k IOUT = 0 mA 3.45 3.40 3.35 3.30 3.25 3.20 3.15 3.10 VOUT 1M VIN = 0 to 5.8 V, COUT = 0 mF, trise_fall = 10 mA/1 ms, TA = 25C TIME (20 ms/DIV) f, FREQUENCY (Hz) Figure 20. Output Voltage Noise 10 Hz - 1 MHz COUT = 10 mF Figure 21. Load Transient Response 0 - 10 mA www.onsemi.com 6 NCV51460 VOUT, OUTPUT VOLTAGE (100 mV/DIV) VOUT, OUTPUT VOLTAGE (200 mV/DIV) TYPICAL CHARACTERISTICS IOUT = 20 mA IOUT = 0 mA 4.1 3.9 3.7 3.5 3.3 3.1 2.9 2.7 VOUT VIN = 5.8 V, COUT = 0 mF, trise_fall = 20 mA/1 ms, TA = 25C COUT = 0 mF 3.4 3.3 2.2 VOUT 3.4 3.3 3.2 VOUT COUT = 0.1 mF MLCC 3.4 3.3 3.2 VOUT COUT = 1 mF MLCC 3.4 3.3 2.2 VOUT COUT = 4.7 mF MLCC VIN = 5.8 V, TA = 25C, trise_fall = 10 mA/1 ms IOUT = 0 mA IOUT = 10 mA TIME (50 ms/DIV) TIME (10 ms/DIV) Figure 23. Load Transient Responses COUT = 0 - 4.7 mF VOUT, OUTPUT VOLT- VIN, INPUT VOLTAGE AGE (1 V/DIV) (2 V/DIV) VOUT, OUTPUT VOLT- VIN, INPUT VOLTAGE AGE (1 V/DIV) (2 V/DIV) Figure 22. Load Transient Response 0 - 20 mA 6 4 2 0 VIN 3 2 1 0 VOUT VIN = 0 V to 5.8 V, CIN = 0 mF, COUT = 0 mF, IOUT = 0 mA, TA = 25C, trise = 20 ms 6 4 2 VIN 0 3 2 1 VIN = 5.8 V to 0 V, COUT = CIN = 0 mF, IOUT = 0 mA, TA = 25C, trise_fall = 25 ms 0 VOUT TIME (10 ms/DIV) TIME (50 ms/DIV) Figure 24. Turn-On Figure 25. Turn-Off www.onsemi.com 7 NCV51460 APPLICATIONS INFORMATION VOUT, OUTPUT VOLTAGE (50 mV/DIV) Input Decoupling Capacitor (CIN) It is recommended to connect a 0.1 mF Ceramic capacitor between VIN and GND pin of the device. This capacitor will provide a low impedance path for unwanted AC signals or noise present on the input voltage. The input capacitor will also limit the influence of input trace inductances and Power Supply resistance during sudden load current changes. Higher capacitances will improve the Power Supply Rejection Ratio and line transient response. Output Decoupling Capacitor (COUT) The NCV51460 was designed to be stable without an additional output capacitor. Without the output capacitor the VOUT settling times during Reference Turn-on or Turn-off can be as short as 20 ms (Refer to Figure 24 and 25). The Load Transient Responses without COUT (Figure 21 and 22) show good stability of NCV51460 even for fast output current changes from 0 mA to full load. If smaller VOUT deviations during load current changes are required, it is possible to add some external capacitance as shown on Figure 26. CIN 0.1 mF VIN VOUT NCV51460 (3.3 V fixed) GND COUT = 1 mF MLCC + 2 W VOUT 3.25 COUT = 1 mF MLCC 3.35 3.30 3.25 IOUT = 10 mA VIN = 5.8 V, TA = 25C, trise_fall = 10 mA/1 ms IOUT = 0 mA TIME (50 ms/DIV) Figure 27. The device was determined to be stable with Aluminum, Ceramic and Tantalum Capacitors with capacitances ranging from 0 to 100 mF at TA = 25C. Turn-On Response It is possible to achieve very fast Turn-On time when fast VIN ramp is applied to NCV51460 input as shown on Figure 24. However if the Input Voltage change from 0 V to nominal Input Voltage is extremely fast, the Output Voltage settling time will increase. Figure 28 below shows this effect when the Input Voltage change is 5.8 V / 2 ms. VOUT 3.3 V COUT VOUT, OUTPUT VOLT- VIN, INPUT VOLTAGE AGE (1 V/DIV) (2 V/DIV) VIN = 4.2 to 28 V 3.35 3.30 Figure 26. Output Capacitor Connection The COUT will reduce the overshoot and undershoot but will increase the settling time and can introduce some ringing of the output voltage during fast load transients. NCV51460 behavior for different values of ceramic X7R output capacitors is depicted on Figure 23. The Output Voltage ringing and settling times can be reduced by using some additional resistance in series with the Ceramic Capacitor or by using Tantalum or Aluminum Capacitors which have higher ESR values. Figure 27 below shows the Load Transient improvement after adding an additional 2 W series resistor to a 1 mF Ceramics Capacitor. 6 4 2 VIN 0 3 2 1 0 VOUT VIN = 0 V to 5.8 V, CIN = 0 mF, COUT = 0 mF, IOUT = 0 mA, TA = 25C, trise = 45 ms TIME (10 ms/DIV) Figure 28. www.onsemi.com 8 NCV51460 A 0.1 mF or larger input capacitor will help to decrease the dv/dt of the input voltage and improve stability during large load current changes. During the Turn-On for certain conditions the output voltage can exhibit an overshoot. The amount of the overshoot strongly depends on application conditions i.e. input voltage level, slew rate, input and output capacitors, and output current. The maximum value of the overshoot isn't guaranteed for this device. The figure below shows an example of the Turn-On overshoot. can be slightly different and should be confirmed in the end application. No external voltage source should be connected directly to the VOUT pin of NCV51460 regulator. If the external source forces the output voltage to be greater than the nominal output voltage level, the current will start to flow from the Voltage Source to the VOUT pin. This current will increase with the Output Voltage applied and can cause damage to the device if VOUT > 10 V Typ. at 25C (Figure 30). IO, CURRENT INTO VOUT PIN (mA) VOUT, OUTPUT VOLT- VIN, INPUT VOLTAGE AGE (1 V/DIV) (2 V/DIV) 24 6 4 2 0 3 2 1 0 VIN = 0 V to 6 V, COUT = 0 mF, IOUT = 1 mA, TA = 25C, trise = 30 ms COUT = 0 mF, TA = 25C 20 16 12 8 4 0 3 4 5 6 7 8 9 10 VOUT, OUTPUT VOLTAGE (V) TIME (10 ms/DIV) Figure 30. Figure 29. Output Noise Turn-Off Response The NCV51460 Output Voltage Noise strongly depends on the output capacitor value and load value. This is caused by the fact that the bandwidth of the Reference is inversely proportional to the capacitor value and directly proportional to the output current. The Reference bandwidth directly determines the point where the output voltage noise starts to fall. This can be observed at the Figure 31 below. Vn, OUTPUT VOLTAGE NOISE (mVrms/rtHz) The Turn-Off response time is directly proportional to the output capacitor value and inversely proportional to the load value. The NCV51460 device does not have any dedicated internal circuitry to discharge the output capacitor when the input voltage is turned-off or disconnected. This is why when large output capacitors are used and very small output current is drawn, it can take a considerable amount of time to discharge the capacitor. If short turn-off times are required, the output capacitor value should be minimized i.e. with no output capacitor a 20 ms turn-off time can be achieved. Protection Features The NCV51460 device is equipped with reverse input voltage protection which will help to protect the device when Input voltage polarity is reversed. In this circumstance the Input current will be minimized to typically less than 0.1 mA. The short circuit protection will protect the device under the condition that the VOUT is suddenly shorted to ground. The short circuit protection will work properly up to an Input Voltage of 27 V at TA = 25C. Depending on the PCB trace width and thickness, air flow and process spread this value 2.2 VIN = 5.8 V IOUT = 0 mA, 1.8 C OUT = 0 - 10 mF MLCC, 1.6 TA = 25C 2.0 1.4 COUT = 0.1 mF COUT = 1.0 mF 1.2 1.0 0.8 COUT = 10 mF COUT = 0 mF 0.6 0.4 0.2 0.0 10 100 1000 10k f, FREQUENCY (Hz) Figure 31. www.onsemi.com 9 100k 1M NCV51460 The power dissipated by the NCV51460 can be calculated from the following equations: The peaks which are visible on the noise spectrum are reflecting the stability of the NCV51460 device. In the comparison in Figure 31 it can be noticed that 0 mF and 10 mF cases represents the best stability. P D [ V IN(I Q@I OUT) ) I OUT(V IN * V OUT) (eq. 2) or Thermal Characteristics As power dissipation in the NCV51460 increases, it may become necessary to provide some thermal relief. The maximum power dissipation supported by the device is dependent upon board design and layout. The board material and the ambient temperature affect the rate of junction temperature rise for the part. The maximum power dissipation the NCV51460 can handle is given by: P D(MAX) + [T J(MAX) * T A] V IN(MAX) [ I OUT ) I Q (eq. 3) PCB Layout Recommendations VIN and GND printed circuit board traces should be as wide as possible. When the impedance of these traces is high, there is a chance to pick up noise and cause the regulator to malfunction. Place external components, especially the output capacitor, as close as possible to the NCV51460, and make traces as short as possible. (eq. 1) R qJA P D(MAX) ) (V OUT @ I OUT) Since TJ is not recommended to exceed 100C (TJ(MAX)), then the NCV51460 can dissipate up to 305 mW when the ambient temperature (TA) is 25C. ORDERING INFORMATION Device NCV51460SN33T1G Marking Package Shipping JJ SOT-23 (Pb-Free) 3,000 / Tape & Reel For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D. www.onsemi.com 10 NCV51460 PACKAGE DIMENSIONS SOT-23 (TO-236) CASE 318-08 ISSUE AP NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS. MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF BASE MATERIAL. 4. DIMENSIONS D AND E DO NOT INCLUDE MOLD FLASH, PROTRUSIONS, OR GATE BURRS. D SEE VIEW C 3 HE E DIM A A1 b c D E e L L1 HE q c 1 2 b 0.25 e q A L A1 MIN 0.89 0.01 0.37 0.09 2.80 1.20 1.78 0.10 0.35 2.10 0 MILLIMETERS NOM MAX 1.00 1.11 0.06 0.10 0.44 0.50 0.13 0.18 2.90 3.04 1.30 1.40 1.90 2.04 0.20 0.30 0.54 0.69 2.40 2.64 --- 10 MIN 0.035 0.001 0.015 0.003 0.110 0.047 0.070 0.004 0.014 0.083 0 INCHES NOM 0.040 0.002 0.018 0.005 0.114 0.051 0.075 0.008 0.021 0.094 --- MAX 0.044 0.004 0.020 0.007 0.120 0.055 0.081 0.012 0.029 0.104 10 L1 VIEW C SOLDERING FOOTPRINT* 0.95 0.037 0.95 0.037 2.0 0.079 0.9 0.035 SCALE 10:1 0.8 0.031 mm inches *For additional information on our Pb-Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. 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