AP7354 150mA ULTRA-LOW QUIESCENT CURRENT LDO WITH ENABLE Description Pin Assignments The AP7354 is a low dropout regulator with high output voltage accuracy. The AP7354 includes a voltage reference, error amplifier, current limit circuit, and an enable input to turn it on/off. With the integrated resistor network, fixed output voltage versions can be delivered. (Top View) (Top View) GND 3 With its ultra-low quiescent current, the AP7354 is well-suited for lowpower handheld, wearable devices, and other battery-operated devices requiring an extended time period until new battery replacement. 1 2 VIN VOUT VIN 1 GND 2 EN 3 SOT23 The AP7354 is available in SOT23, SOT25, and X2-DFN1010-4 (Type B) packages. 5 VOUT 4 NC SOT25 (Top View) 4 (Bottom View) 3 3 4 2 2 1 Features Wide VIN Range: 2.0V to 5.5V Guarantee Output Current: 150mA Output Voltage Range: 1.1V to 4.5V VOUT Accuracy: 1% Quiescent Current as Low as 0.25A Output Discharge Available for Devices in SOT25 or X2DFN1010-4 (Type B) Typical Standby Current: 0.02A ESD Protection Exceeds JESD 22 Exceeds 4000V Human Body Model (A114) Exceeds 400V Machine Model (A115) Latch-Up Exceeds 400mA per JESD 78, Class I Moisture Sensitivity: Level 1 per J-STD-020 Terminals: SOT23/SOT25: Finish - Mate Tin Plated Leads, Solderable per MIL-STD-202, Method 208 X2-DFN1010-4 (Type B): Finish - NiPdAu over Copper Leads, Solderable per MIL-STD-202, Method 208 Weight: SOT23: 0.009 grams (Approximate) SOT25: 0.016 grams (Approximate) X2-DFN1010-4 (Type B): 0.001 grams (Approximate) Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. "Green" Device (Note 3) For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. https://www.diodes.com/quality/product-definitions/ 1 Top View X2-DFN1010-4 Bottom View X2-DFN1010-4 (Type B) Pin 1 - VOUT, Pin 2 - GND, Pin 3 - EN, Pin 4 - VIN Applications Wearable Electronics Sensor Module for Internet-of-Things (IoT) Wireless Communication Module Battery-Operated Device Camera Image Sensor Typical Applications Circuit (Note 4) VIN VOUT VIN VOUT AP7354 CIN 0.1F Notes: EN COUT 0.1F GND 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated's definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green" products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. 4. X5R- and X7R-type capacitors are suggested due to their minimal variation in value and ESR over temperature. AP7354 Document number: DS39918 Rev. 5 - 2 1 of 18 www.diodes.com March 2020 (c) Diodes Incorporated AP7354 Pin Description Pin Number SOT25 SOT23 X2-DFN1010-4 (Type B) Pin Name Function 3 -- 3 EN Chip Enable -- This should be driven either high or low and must not be floating. Driving EN high enables regulator output, while pulling it low places regulator into shutdown mode. 2 3 2 GND Ground 5 2 1 VOUT Output Voltage 1 1 4 VIN Power Input -- -- Center Pad -- No connection or ground. Note: Chip Ground must be through GND pin. Functional Block Diagram VOUT VIN VOUT VIN - - + + VREF VREF Current Limit EN Current Limit GND EN AP7354 (Without Discharge) GND AP7354D (With Discharge) EN Pin Not Available on SOT23 AP7354 Document number: DS39918 Rev. 5 - 2 2 of 18 www.diodes.com March 2020 (c) Diodes Incorporated AP7354 Absolute Maximum Ratings (Note 5) Symbol Parameter Rating Unit 4 kV ESD HBM Human Body Model ESD Protection ESD MM Machine Model ESD Protection 400 V VIN Input Voltage 6.0 V VEN Input Voltage at EN Pin 6.0 V VOUT Output Voltage to GND -0.3 to VIN +0.3 V TA Operating Ambient Temperature -40 to +85 C TJ Maximum Junction Temperature +125 C -55 to +125 C 315 mW TSTG PD Notes: Storage Temperature Power Dissipation (Note 6) 5. Stresses beyond those listed under Absolute Maximum Ratings can cause permanent damage to the device. These are stress ratings only and functional operation of the device at these conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods can affect device reliability. 6. This is based on an application temperature of +40C. Derate 3.75mW per C for each degree above +40C. Recommended Operating Conditions Symbol Parameter VIN Input Voltage IOUT Output Current TA Operating Ambient Temperature AP7354 Document number: DS39918 Rev. 5 - 2 3 of 18 www.diodes.com Min Max Unit 2.0 5.5 V 0 150 mA -40 +85 C March 2020 (c) Diodes Incorporated AP7354 Electrical Characteristics (@TA = +25C, VEN = VIN = VOUT+1V (1.5V < VOUT 4.5V), VEN = VIN = 2.5V (VOUT 1.5V), IOUT = 1mA, CIN = COUT = 0.1F, unless otherwise specified.) Parameter Input Voltage Conditions TA = -40C to +85C Min Typ Max Unit 2.0 -- 5.5 V VOUT > 2.0V TA = +25C -1 -- +1 IOUT = 1mA TA = -40C to +85C -2 -- +2 VOUT 2.0V TA = +25C -40 -- 40 IOUT = 1mA TA = -40C to +85C -80 -- 80 -- 0.02 0.1 %/V 1mA IOUT 150mA (All Versions Except 4.5V) -40 -- 40 mV 1mA IOUT 150mA (Applicable to 4.5V Version) -55 -- 55 mV Short Circuit Current Limit (Note 7) VOUT = 0V -- 60 -- mA Quiescent Current (Note 8) IOUT = 0mA -- 0.25 0.6 A ISTANDBY Set EN Low, No Load -- 0.02 0.2 A 150 -- -- mA VOUT = 1.1V -- 0.70 1.00 VOUT = 1.2V -- 0.60 0.90 VOUT = 1.5V -- 0.43 0.75 VOUT = 1.8V -- 0.33 0.60 VOUT = 1.85V -- 0.32 0.58 VOUT = 2.2V -- 0.27 0.52 VOUT = 2.5V -- 0.22 0.48 VOUT = 2.8V -- 0.19 0.40 VOUT = 3.0V -- 0.18 0.35 VOUT = 3.3V -- 0.16 0.35 VOUT = 4.5V -- 0.14 0.35 Output Voltage Accuracy Line Regulation (VOUT/VIN/VOUT) Load Regulation (VOUT) Output Current Dropout Voltage (Note 9) MAX (VOUT + 1.0V, 2.5V) VIN 5.5V (All Versions Except 4.5V) -- IOUT = 150mA % mV V EN Input Low Voltage -- -- -- 0.4 V EN Input High Voltage -- 1.0 -- 5.5 V -- 35 -- SOT23 -- 170 -- SOT25 -- 162 -- X2-DFN1010-4 (Type B) -- 295 -- SOT23 -- 43 -- SOT25 -- 38 -- X2-DFN1010-4 (Type B) -- 120 -- Active Output Discharge Resistance (Note 10) VIN = 4.0V, VEN = 0V JA Thermal Resistance Junction-to-Ambient JC Thermal Resistance Junction-to-Case Notes: (Note 11) (Note 11) C/W C/W 7. Short-circuit current is measured with VOUT pulled to GND. 8. Quiescent current defined as the difference in current between the input and the output. 9. Dropout voltage is the voltage difference between the input and the output at which the output voltage drops 2% below its nominal value. 10. AP7354 is available with two options: built-in discharge (AP7354D) and non-discharge (AP7354). 11. Test condition: Device mounted on 1" x 1" FR-4 MRP substrate PCB, 2oz copper, with minimum recommended pad layout. AP7354 Document number: DS39918 Rev. 5 - 2 4 of 18 www.diodes.com March 2020 (c) Diodes Incorporated AP7354 Performance Characteristics VIN=3.5V Ground Current (A) Ground Current (A) VIN=2.5V VIN=5.25V AP7354 Document number: DS39918 Rev. 5 - 2 VIN=4.3V VIN=5V VIN=5.25V VOUT=1.2V VOUT=3.3V IOUT=1mA IOUT=1mA IOUT=30mA IOUT=30mA IOUT=50mA IOUT=50mA 5 of 18 www.diodes.com March 2020 (c) Diodes Incorporated AP7354 Performance Characteristics (continued) VIN=2.5V VIN=3.6V VIN=3.3V VIN=4.3V VIN=4.2V VIN=5.25V VIN=5.25V VIN=2.5V VIN=4.3V IOUT=1mA IOUT=1mA IOUT=30mA IOUT=30mA IOUT=150mA IOUT=150mA AP7354 Document number: DS39918 Rev. 5 - 2 6 of 18 www.diodes.com March 2020 (c) Diodes Incorporated AP7354 Performance Characteristics (continued) Load Transient Response (CIN = COUT = 0.1F, tR = tF = 5.0s, unless otherwise specified.) VIN = 3.3V, VOUT = 1.2V, IOUT = 1mA to 50mA VIN = 3.3V, VOUT = 1.2V, IOUT = 50mA to 100mA VIN = 4.3V, VOUT = 3.3V, IOUT = 1mA to 50mA VIN = 4.3V, VOUT = 3.3V, IOUT = 50mA to 100mA AP7354 Document number: DS39918 Rev. 5 - 2 7 of 18 www.diodes.com March 2020 (c) Diodes Incorporated AP7354 Performance Characteristics (continued) TURN ON TURN OFF VIN = 3.3V, VOUT = 1.2V, IOUT = 0mA, CIN = COUT = 0.1F VIN = 3.3V, VOUT = 1.2V, IOUT = 0mA, CIN = COUT = 0.1F VIN = 3.3V, VOUT = 1.2V, IOUT = 150mA, CIN = COUT = 0.1F VIN = 3.3V, VOUT = 1.2V, IOUT = 150mA, CIN = COUT = 0.1F VIN = 4.3V, VOUT = 3.3V, IOUT = 0mA, CIN = COUT = 0.1F VIN = 4.3V, VOUT = 3.3V, IOUT = 0mA, CIN = COUT = 0.1F AP7354 Document number: DS39918 Rev. 5 - 2 8 of 18 www.diodes.com March 2020 (c) Diodes Incorporated AP7354 Performance Characteristics (continued) TURN ON TURN OFF VIN = 4.3V, VOUT = 3.3V, IOUT = 150mA, CIN = COUT = 0.1F VIN = 4.3V, VOUT = 3.3V, IOUT = 150mA, CIN = COUT = 0.1F AP7354 Document number: DS39918 Rev. 5 - 2 9 of 18 www.diodes.com March 2020 (c) Diodes Incorporated AP7354 Application Information Output Capacitor An output capacitor (COUT) is required to improve transient response and maintain stability. The AP7354 is stable with very small ceramic output capacitors. The equivalent series resistance (ESR) and capacitance drive the selection. If the application has large load variations, it is recommended to utilize low-ESR bulk capacitors. It is recommended to place ceramic capacitors as close as possible to the load and the GND pin. Care must be taken to reduce the impedance in the layout. Input Capacitor To prevent the input voltage from dropping during load steps, it is recommended to utilize an input capacitor (CIN). A minimum 0.1F ceramic capacitor is recommended between VIN and GND pin to decouple input power supply glitch. This input capacitor must be located as close as possible to the device to assure input stability and reduce noise. For PCB layout, a wide copper trace is required for both VIN and GND pin. Enable Control The AP7354 is turned on by setting the EN pin high, and is turned off by pulling them low. If this feature is not used, the EN pin should be tied to VIN pin to keep the regulator output on at all time. To ensure proper operation, the signal source used to drive the EN pin must be able to swing above and below the specified turn-on/off voltage thresholds listed in the Electrical Characteristics section. Layout Considerations For good ground loop and stability, the input and output capacitors must be located close to the input, output, and GND pin of the device. The regulator GND pin must be connected to the external circuit ground to reduce voltage drop caused by trace impedance. Ground plane is generally used to reduce trace impedance. Wide trace must be used for large current paths from VIN to VOUT and load circuit. ESR vs. Output Current A ceramic type output capacitor is recommended for this series; however, the other output capacitors with low ESR also can be used. The relations between IOUT (output current) and ESR of an output capacitor are shown below. The stable region is marked as the hatched area in the graph. Measurement Conditions: Frequency Band: 10Hz to 2MHz Temperature: -40C to +85C AP7354 Document number: DS39918 Rev. 5 - 2 10 of 18 www.diodes.com March 2020 (c) Diodes Incorporated AP7354 Ordering Information (Note 12) AP7354X - XXX XXX - X Output Voltage Output Discharge Output Voltage Package Packing Blank : Non-discharge D : Output Discharge 11 : 1.1V 12 : 1.2V 15 : 1.5V 18 : 1.8V 185 : 1.85V 22 : 2.2V 25 : 2.5V 28 : 2.8V 30 : 3.0V 33 : 3.3V 45 : 4.5V SA : SOT23 W5 : SOT25 FS4 : X2-DFN1010-4 (Type B) 7 : Tape & Reel SOT23 7" Tape and Reel SOT25 Without Discharge SOT25 With Discharge Quantity Part Number Suffix 1.2 AP7354-12SA-7 AP7354-12W5-7 AP7354D-12W5-7 3000/Tape & Reel -7 1.5 AP7354-15SA-7 AP7354-15W5-7 AP7354D-15W5-7 3000/Tape & Reel -7 1.8 AP7354-18SA-7 AP7354-18W5-7 AP7354D-18W5-7 3000/Tape & Reel -7 1.85 AP7354-185SA-7 AP7354-185W5-7 AP7354D-185W5-7 3000/Tape & Reel -7 2.2 AP7354-22SA-7 -- -- 3000/Tape & Reel -7 2.5 AP7354-25SA-7 AP7354-25W5-7 AP7354D-25W5-7 3000/Tape & Reel -7 2.8 AP7354-28SA-7 AP7354-28W5-7 AP7354D-28W5-7 3000/Tape & Reel -7 3.0 AP7354-30SA-7 AP7354-30W5-7 AP7354D-30W5-7 3000/Tape & Reel -7 3.3 AP7354-33SA-7 AP7354-33W5-7 AP7354D-33W5-7 3000/Tape & Reel -7 4.5 AP7354-45SA-7 AP7354-45W5-7 AP7354D-45W5-7 3000/Tape & Reel -7 7" Tape and Reel Output Voltage X2-DFN1010-4 (Type B) Without Discharge X2-DFN1010-4 (Type B) With Discharge Quantity Part Number Suffix 1.1 AP7354-11FS4-7 AP7354D-11FS4-7 5000/Tape & Reel -7 1.2 AP7354-12FS4-7 AP7354D-12FS4-7 5000/Tape & Reel -7 1.5 AP7354-15FS4-7 AP7354D-15FS4-7 5000/Tape & Reel -7 1.8 AP7354-18FS4-7 AP7354D-18FS4-7 5000/Tape & Reel -7 1.85 AP7354-185FS4-7 AP7354D-185FS4-7 5000/Tape & Reel -7 2.5 AP7354-25FS4-7 AP7354D-25FS4-7 5000/Tape & Reel -7 2.8 AP7354-28FS4-7 AP7354D-28FS4-7 5000/Tape & Reel -7 3.0 AP7354-30FS4-7 AP7354D-30FS4-7 5000/Tape & Reel -7 3.3 AP7354-33FS4-7 AP7354D-33FS4-7 5000/Tape & Reel -7 4.5 AP7354-45FS4-7 AP7354D-45FS4-7 5000/Tape & Reel -7 Note: 12. For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes-packaging/. AP7354 Document number: DS39918 Rev. 5 - 2 11 of 18 www.diodes.com March 2020 (c) Diodes Incorporated AP7354 Marking Information (1) SOT23 (Top View) 3 XXX YWX 1 2 XXX : Identification Code Y : Year 0 to 9 W : Week : A to Z : 1 to 26 week; a to z : 27 to 52 week; z represents 52 and 53 week X : Internal Code Part Number Package Identification Code AP7354-12SA-7 SOT23 A8A AP7354-15SA-7 SOT23 A8B AP7354-18SA-7 SOT23 A8C AP7354-185SA-7 SOT23 A8D AP7354-22SA-7 SOT23 A8K AP7354-25SA-7 SOT23 A8E AP7354-28SA-7 SOT23 A8F AP7354-30SA-7 SOT23 A8G AP7354-33SA-7 SOT23 A8H AP7354-45SA-7 SOT23 A8J AP7354 Document number: DS39918 Rev. 5 - 2 12 of 18 www.diodes.com March 2020 (c) Diodes Incorporated AP7354 Marking Information (continued) (2) SOT25 (Top View) 5 7 4 XXX YWX 1 2 3 XXX : Identification Code Y : Year 0 to 9 W : Week : A to Z : 1 to 26 week; a to z : 27 to 52 week; z represents 52 and 53 week X : Internal Code Part Number Package Identification Code AP7354-12W5-7 SOT25 A8A AP7354-15W5-7 SOT25 A8B AP7354-18W5-7 SOT25 A8C AP7354-185W5-7 SOT25 A8D AP7354-25W5-7 SOT25 A8E AP7354-28W5-7 SOT25 A8F AP7354-30W5-7 SOT25 A8G AP7354-33W5-7 SOT25 A8H AP7354-45W5-7 SOT25 A8J AP7354D-12W5-7 SOT25 A9A AP7354D-15W5-7 SOT25 A9B AP7354D-18W5-7 SOT25 A9C AP7354D-185W5-7 SOT25 A9D AP7354D-25W5-7 SOT25 A9E AP7354D-28W5-7 SOT25 A9F AP7354D-30W5-7 SOT25 A9G AP7354D-33W5-7 SOT25 A9H AP7354D-45W5-7 SOT25 A9J AP7354 Document number: DS39918 Rev. 5 - 2 13 of 18 www.diodes.com March 2020 (c) Diodes Incorporated AP7354 Marking Information (continued) (3) X2-DFN1010-4 (Type B) (Top View) XXX YWX XXX : Identification Code Y : Year : 0~9 W : Week : A~Z : 1~26 week; a~z : 27~52 week; z represents 52 and 53 week X : Internal Code Part Number VOUT Package Identification Code AP7354-11FS4-7 1.1V X2-DFN1010-4 (Type B) A8M AP7354-12FS4-7 1.2V X2-DFN1010-4 (Type B) A8A AP7354-15FS4-7 1.5V X2-DFN1010-4 (Type B) A8B AP7354-18FS4-7 1.8V X2-DFN1010-4 (Type B) A8C AP7354-185FS4-7 1.85V X2-DFN1010-4 (Type B) A8D AP7354-25FS4-7 2.5V X2-DFN1010-4 (Type B) A8E AP7354-28FS4-7 2.8V X2-DFN1010-4 (Type B) A8F AP7354-30FS4-7 3.0V X2-DFN1010-4 (Type B) A8G AP7354-33FS4-7 3.3V X2-DFN1010-4 (Type B) A8H AP7354-45FS4-7 4.5V X2-DFN1010-4 (Type B) A8J AP7354D-11FS4-7 1.1V X2-DFN1010-4 (Type B) A9M AP7354D-12FS4-7 1.2V X2-DFN1010-4 (Type B) A9A AP7354D-15FS4-7 1.5V X2-DFN1010-4 (Type B) A9B AP7354D-18FS4-7 1.8V X2-DFN1010-4 (Type B) A9C AP7354D-185FS4-7 1.85V X2-DFN1010-4 (Type B) A9D AP7354D-25FS4-7 2.5V X2-DFN1010-4 (Type B) A9E AP7354D-28FS4-7 2.8V X2-DFN1010-4 (Type B) A9F AP7354D-30FS4-7 3.0V X2-DFN1010-4 (Type B) A9G AP7354D-33FS4-7 3.3V X2-DFN1010-4 (Type B) A9H AP7354D-45FS4-7 4.5V X2-DFN1010-4 (Type B) A9J AP7354 Document number: DS39918 Rev. 5 - 2 14 of 18 www.diodes.com March 2020 (c) Diodes Incorporated AP7354 Package Outline Dimensions Please see http://www.diodes.com/package-outlines.html for the latest version. (1) Package Type: SOT23 All 7 H K1 GAUGE PLANE 0.25 J K a M A L C L1 B D G F (2) SOT23 Dim Min Max Typ A 0.37 0.51 0.40 B 1.20 1.40 1.30 C 2.30 2.50 2.40 D 0.89 1.03 0.915 F 0.45 0.60 0.535 G 1.78 2.05 1.83 H 2.80 3.00 2.90 J 0.013 0.10 0.05 K 0.890 1.00 0.975 K1 0.903 1.10 1.025 L 0.45 0.61 0.55 L1 0.25 0.55 0.40 M 0.085 0.150 0.110 a 0 8 -All Dimensions in mm Package Type: SOT25 A B C H K J AP7354 Document number: DS39918 Rev. 5 - 2 M N D L 15 of 18 www.diodes.com SOT25 Dim Min Max Typ A 0.35 0.50 0.38 B 1.50 1.70 1.60 C 2.70 3.00 2.80 D 0.95 H 2.90 3.10 3.00 J 0.013 0.10 0.05 K 1.00 1.30 1.10 L 0.35 0.55 0.40 M 0.10 0.20 0.15 N 0.70 0.80 0.75 0 8 - All Dimensions in mm March 2020 (c) Diodes Incorporated AP7354 Package Outline Dimensions (continued) Please see http://www.diodes.com/package-outlines.html for the latest version. (3) Package Type: X2-DFN1010-4 (Type B) A3 A1 A Seating Plane D Pin #1 ID 4-C 0.1 8 e k R E L1(4x) D2 E2 L(4x) X2-DFN1010-4 (Type B) Dim Min Max Typ A 0.40 0.39 A1 0.00 0.05 0.02 A3 0.13 b 0.20 0.30 0.25 D 0.95 1.05 1.00 D2 0.43 0.53 0.48 E 0.95 1.05 1.00 E2 0.43 0.53 0.48 e 0.65 k 0.19 0.29 0.24 L 0.20 0.30 0.25 L1 0.02 0.12 0.07 R 0.02 0.08 0.05 z 0.050 All Dimensions in mm b(4x) z(4x) Suggested Pad Layout Please see http://www.diodes.com/package-outlines.html for the latest version. (1) Package Type: SOT23 Y C Y1 X (2) Dimensions C X X1 Y Y1 Value (in mm) 2.0 0.8 1.35 0.9 2.9 X1 Package Type: SOT25 C2 Z C2 Dimensions Z G X Y C1 C2 C1 G Value 3.20 1.60 0.55 0.80 2.40 0.95 Y X AP7354 Document number: DS39918 Rev. 5 - 2 16 of 18 www.diodes.com March 2020 (c) Diodes Incorporated AP7354 Suggested Pad Layout (continued) Please see http://www.diodes.com/package-outlines.html for the latest version. (3) Package Type: X2-DFN1010-4 (Type B) X3 C Dimensions C X X1 X2 X3 Y Y1 Y2 X2 Y2 X1 Y1 Value (in mm) 0.650 0.350 0.112 0.530 1.00 0.350 0.530 1.100 Y X AP7354 Document number: DS39918 Rev. 5 - 2 17 of 18 www.diodes.com March 2020 (c) Diodes Incorporated AP7354 IMPORTANT NOTICE DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. 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