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AP2204K-2.5TRG1

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Diodes Incorporated Voltage Regulators - Linear, Low Drop Out (LDO) Regulators, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AP2204K-2.5TRG1

Diodes Incorporated · Voltage Regulators - Linear, Low Drop Out (LDO) Regulators · SOT-23-5

AP2204K-2.5TRG1 from Diodes Incorporated, in a SOT-23-5. 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 Input voltage pin; recommended operating range is 2.6V (or VOUT+1V if larger) to 24V.
2 GND power_in Ground.
3 EN input Enable input; logic high is at least 2.0V and logic low is at most 0.4V.
4 ADJ/NC unconnected Adjust pin for the ADJ version; on the fixed version (such as -2.5) it is not connected internally, and connecting it to GND is recommended to maximize PCB copper for thermal dissipation.
5 VOUT power_out Regulated output voltage, up to 150mA output current.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-23-5
Category Power Management (PMIC)
Pins 5

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Output Voltage Variation from Specified VOUT VOUT 98 102 % VIN = VOUT+1V, IOUT = 100µA, CIN = 1.0µF, COUT = 2.2µF 5
Reference Voltage VREF 1.215 1.24 1.265 V 5
Input Voltage VIN 24 V 5
Maximum Output Current IOUT(max) 150 200 mA VIN-VOUT = 1V, VOUT = 98% VOUT 5
Dropout Voltage VDROP 100 150 mV IOUT = 100µA 5
Dropout Voltage VDROP 270 350 mV IOUT = 50mA 5
Dropout Voltage VDROP 320 460 mV IOUT = 100mA 5
Dropout Voltage VDROP 360 500 mV IOUT = 150mA 5
Standby Current ISTD 0.01 1 µA VIN = VOUT+1V, VEN in OFF Mode 5
EN High Voltage 2 V EN Input Voltage High 5
EN Low Voltage 0.4 V EN Input Voltage Low 5
Supply Input Voltage VIN 2.6 24 V Minimum is the larger of 2.6V or VOUT + 1V 4
Operating Junction Temperature TJ -40 125 °C 4
Supply Input Voltage VIN 38 V 4
Enable Input Voltage VCE 38 V 4
Output Current IOUT 250 mA 4
Lead Temperature TLEAD 260 °C Soldering, 10sec 4
Operating Junction Temperature TJ 150 °C 4
Storage Temperature Range TSTG -65 150 °C 4
ESD (Machine Model) 275 V 4
ESD (Human Body Model) 2000 V 4
Thermal Resistance Junction to Ambient θJA 250 °C/W SOT-23-5 4
Thermal Resistance Junction to Case θJC 43 °C/W SOT-23-5 5
Line Regulation ΔVOUT/ΔVIN 0.05 % VOUT+1V ≤ VIN ≤ 24V 5
Load Regulation ΔVOUT/VOUT 0.5 % 1mA ≤ IOUT ≤ 150mA 5
Output Voltage Temperature Coefficient ΔVOUT/(VOUT·ΔT) 100 ppm/°C IOUT = 100µA, -40 °C ≤ TJ ≤ +125°C 5
RMS Output Noise VNOI 30 µVrms TJ = +25°C, 10Hz ≤ f ≤ 100kHz 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
housing Abs , ESD (Human Body Model) 2000 V Notes: 7. Stresses greater than those listed under “Absolute Maximum Ratings” can cause permanent damage to the device. These are stress ratings only, and 4

CAD (KiCad official)

  • Symbol: AP2204K-2.5TRG1
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: ap2204k-2-5trg1-etched.step / ap2204k-2-5trg1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ap2204k-2-5trg1.step / ap2204k-2-5trg1.glb are the bare package body.

Provenance

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

  • Datasheet: Diodes Incorporated datasheet (8 pp, sha256 df95b3090e52ac82, retrieved 2026-10-22, 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