# AP7361C-25E-13

**Diodes Incorporated** · Linear Voltage Regulators (LDO) · SOT-223-3

AP7361C-25E-13 from Diodes Incorporated, in a SOT-223-3. 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 | IN | power_in | The input of the regulator, to be bypassed to ground through at least a 1µF ceramic capacitor. |
| 2 | GND | power_in | Ground reference pin for the regulator. |
| 3 | OUT | power_out | The output of the regulator, to be bypassed to ground through at least a 2.2µF ceramic capacitor. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-223-3 |
| Category | Power Supply Chip |
| Pins | 3 |

## Electrical characteristics

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

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Quiescent current, enabled | IQ |  | 60 | 80 | µA | Enabled, IOUT = 0A | 5 |
| Input shutdown current | ISHDN | -1 | 0.05 | 1 | µA | VEN = 0V, IOUT = 0A | 5 |
| Output voltage accuracy (multiplier of VOUT(s)) | VOUT | 0.99 |  | 1.01 | x VOUT(s) | IOUT = 100mA, TA = +25°C; 1.5V≤VOUT≤3.3V | 5 |
| Line regulation | ΔVOUT/ΔVIN |  | 0.01 | 0.1 | %/V | VIN = VOUT +1V to 5.5V, IOUT = 100mA, TA = +25°C | 5 |
| Line regulation over temperature | ΔVOUT/ΔVIN |  |  | 0.2 | %/V | VIN = VOUT +1V to 5.5V, IOUT = 100mA, -40°C ≤ TA ≤ +85°C | 5 |
| Load regulation | ΔVOUT/VOUT | -1 |  | 1 | % | IOUT from 1.0mA to 1A, 1.2V<VOUT≤3.3V | 5 |
| Dropout voltage | VDROPOUT |  | 200 | 250 | mV | IOUT = 300mA, 1.5V≤VOUT<2.6V | 5 |
| EN input logic low voltage | VIL | 0 |  | 0.3 | V |  | 5 |
| EN input logic high voltage | VIH | 1 |  |  | V |  | 5 |
| EN input leakage current | IEN | -0.1 |  | 0.1 | µA | VIN = 5.5V, VEN = 0V | 5 |
| Maximum output current | IOUT | 1 |  |  | A | VIN = VOUT +1V | 5 |
| Current limit | ILIMIT | 1.1 | 1.5 |  | A | VIN = VOUT +1V (VIN MIN=2.2V) | 5 |
| Output voltage temperature coefficient | ΔVOUT/ΔT·VOUT | -100 |  | 100 | ppm/°C | IOUT = 100mA, -40°C ≤ TA ≤ +85°C | 5 |
| Input voltage (absolute maximum) | VIN |  |  | 6.5 | V |  | 4 |
| Operating junction temperature range | TJ | -40 |  | 150 | °C |  | 4 |
| Storage temperature range | TSTG | -65 |  | 150 | °C |  | 4 |
| Power dissipation | PD |  |  | 1100 | mW | SOT223 package | 4 |
| ESD HBM protection | ESD HBM | 2 |  |  | kV | Human Body Model, printed as >2 KV | 4 |
| ESD MM protection | ESD MM | 200 |  |  | V | Machine Model, printed as >200 V (Note 5) | 4 |
| Input voltage (recommended) | VIN | 2.2 |  | 6 | V |  | 4 |
| Output voltage (recommended) | VOUT | 0.8 |  | 5 | V |  | 4 |
| Output current (recommended) | IOUT | 0 |  | 1 | A | See Note 6 (package power dissipation limit at high load) | 4 |
| Operating ambient temperature | TA | -40 |  | 85 | °C |  | 4 |
| Thermal resistance junction-to-ambient, SOT223 | θJA |  | 110 |  | °C/W | SOT223, Note 9: FR-4 PCB with minimum recommended pad layout | 6 |

## 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 |  | tin | Finish - Matte Tin Plated Leads, Solderable per MIL-STD￾202, Method 208  U-DFN3030-8: | 1 |

## CAD (KiCad official)

- Symbol: `AP7361C-25E-13`
- Footprint: `Package_TO_SOT_SMD:SOT-223-3_TabPin2`
- 3D model: SOT-223-3 (KiCad packages3D, STEP)
- 3D model files: `ap7361c-25e-13-etched.step` / `ap7361c-25e-13-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ap7361c-25e-13.step` / `ap7361c-25e-13.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Diodes Incorporated datasheet](https://www.diodes.com/assets/Datasheets/AP7361C-25E-13.pdf) (22 pp, sha256 `9b64f49c5975b2ba`, retrieved 2026-11-12, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-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](docs/ap7361c-25e-13-datasheet.pdf)