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AP1507-D5-13

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Diodes Incorporated DC-DC Converters, TO-252-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AP1507-D5-13

Diodes Incorporated · DC-DC Converters · TO-252-5

AP1507-D5-13 from Diodes Incorporated, in a TO-252-5. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VIN power_in Operating voltage input (4.5V to 22V) for the regulator, requiring a suitable input bypass capacitor to minimize voltage transients and supply switching currents.
2 Output output Internal switching output that swings between (VIN - VSAT) and approximately -0.5V with duty cycle of about VOUT/VIN, and its PCB copper area should be kept minimal.
3 GND power_in Circuit ground.
4 FB input Output voltage feedback control pin that senses the regulated output voltage to close the loop (VFB = 1.23V typical for the adjustable version, -0.3 to +18V).
5 SD input ON/OFF shutdown input where below about 1.3V turns the regulator on and above 1.3V (up to 18V maximum) shuts it down, and it can be wired to ground if unused.
6 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package TO-252-5
Category Power Supply Chip
Pins 6

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Feedback Voltage VFB 1.193 1.23 1.267 V 5V < VIN < 22V, 0.2A < ILOAD < 3A, VOUT programmed for 3V 6
Feedback Voltage (full temperature range) VFB 1.18 1.28 V 5V < VIN < 22V, 0.2A < ILOAD < 3A, VOUT programmed for 3V, full operating temperature range 6
Oscillator Frequency FOSC 127 150 173 kHz TJ = 25°C 5
Oscillator Frequency (full temperature range) FOSC 110 173 kHz full operating temperature range 5
Oscillator Frequency of Short-Circuit Protect FSCP 10 30 50 kHz When Current Limit Occurred and VFB < 0.5V, TA = 25°C 5
Feedback Bias Current IFB -10 -50 nA VFB = 1.3V (Adjustable Version Only) 5
Feedback Bias Current (full temperature range) IFB -100 nA VFB = 1.3V (Adjustable Version Only), full operating temperature range 5
Saturation Voltage VSAT 1.4 1.6 V IOUT = 3A, No Outside Circuit, VFB = 0V Force Driver On 5
Saturation Voltage (full temperature range) VSAT 1.7 V IOUT = 3A, No Outside Circuit, VFB = 0V Force Driver On, full operating temperature range 5
Max. Duty Cycle (ON) DC 100 % VFB = 0V Force Driver On 5
Min. Duty Cycle (OFF) DC 0 % VFB = 12V Force Driver Off 5
Current Limit Peak Current ICL 3.6 4.5 5.5 A No Outside Circuit, VFB = 0V Force Driver On 5
Current Limit Peak Current (full temperature range) ICL 6.5 A No Outside Circuit, VFB = 0V Force Driver On, full operating temperature range 5
Output Leakage Current (Output = 0V) ILEAK -200 µA Output = 0V, No Outside Circuit, VFB = 12V Force Driver Off 5
Output Leakage Current (Output = -1V) ILEAK -5 mA Output = -1V, VIN = 22V 5
Quiescent Current IQ 5 10 mA VFB = 12V Force Driver Off 5
Standby Quiescent Current ISTBY 70 150 µA ON/OFF Pin = 5V, VIN = 22V 5
Standby Quiescent Current (full temperature range) ISTBY 200 µA ON/OFF Pin = 5V, VIN = 22V, full operating temperature range 5
ON/OFF Pin Logic Input Threshold Voltage Low (Regulator ON) VIL 1.3 0.6 V 5
ON/OFF Pin Logic Input Threshold Voltage High (Regulator OFF) VIH 2 1.3 V 5
ON/OFF Pin Logic Input Current IH -0.01 µA VLOGIC = 2.5V (OFF) 5
ON/OFF Pin Input Current IL -0.1 -1 µA VLOGIC = 0.5V (ON) 5
Efficiency η 74 % VIN = 12V, ILOAD = 3A 6
Output Current IOUT 0 3 A TA = +25°C 4
Operating Voltage VOP 4.5 22 V TA = +25°C 4
Operating Ambient Temperature TA -20 85 °C 4
Human Body Model ESD Protection ESD HBM 2 KV TA = +25°C 4
Machine Model ESD Protection ESD MM 200 V TA = +25°C 4
Supply Voltage VCC 24 V TA = +25°C 4
ON/OFF Pin Input Voltage VSD -0.3 18 V TA = +25°C 4
Feedback Pin Voltage VFB -0.3 18 V TA = +25°C 4
Output Voltage to Ground VOUT -1 V TA = +25°C 4
Storage Temperature TST -65 150 °C TA = +25°C 4
Operating Junction Temperature TJ -40 125 °C TA = +25°C 4
Thermal Resistance Junction to Case θJA 10 °C/W TO252-5 Junction to Case (symbol printed as θJA) 5
Thermal Resistance Junction to Ambient θJC 50 °C/W TO252-5 Junction to Ambient, Copper Area of Approximately 2cm × 2cm (symbol printed as θJC) 5

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts copper Internal switch. The voltage at this pin switches between (+VIN, VSAT) and approximately -0.5V with a duty cycle of approximately VOUT/VIN. To minimize coupling to sensitive circuitry, the PCB copper 9

CAD (KiCad official)

  • Symbol: AP1507-D5-13
  • Footprint: Package_TO_SOT_SMD:TO-252-5_TabPin6
  • 3D model: TO-252-5 (KiCad packages3D, STEP)
  • 3D model files: ap1507-d5-13-etched.step / ap1507-d5-13-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ap1507-d5-13.step / ap1507-d5-13.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Diodes Incorporated datasheet (12 pp, sha256 d57a4650f7d881f5, retrieved 2026-10-31, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF