component
AP7343Q-185W5-7
Public Made by Adomby adom
Diodes Incorporated Linear Voltage Regulators (LDO), SOT-25. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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Contents
README
markdownAP7343Q-185W5-7
Diodes Incorporated · Linear Voltage Regulators (LDO) · SOT-25
AP7343Q-185W5-7 from Diodes Incorporated, in a SOT-25. 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 | Power input pin, operating range 1.7V to 5.25V. |
| 2 | GND | power_in | Ground. |
| 3 | EN | input | Enable pin that must be driven high or low and not left floating; high enables the regulator and low puts it into shutdown mode. |
| 4 | NC | unconnected | Not connected internally; recommended to connect to GND to maximize PCB copper for thermal dissipation. |
| 5 | VOUT | power_out | Power output pin, fixed 1.85V output for this variant, up to 300mA guaranteed output current. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-25 |
| Category | Power Management |
| 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 |
|---|---|---|---|---|---|---|---|
| Input Voltage | VIN | 1.7 | 5.25 | V | TA = -40°C to +85°C | 3 | |
| Output Voltage Accuracy (VOUT(T) < 2.0V) | VOUT | -20 | 20 | mV | VOUT(T) < 2.0V, VIN = VOUT(T) + 1V, TA = +25°C | 3 | |
| Line Regulation | dVOUT/dVIN/VOUT | 0.02 | 0.1 | %/V | VIN = (VOUT, Nom + 1.0V) to 5.25V, IOUT = 1.0mA | 3 | |
| Load Regulation | 15 | 30 | mV | VIN = VOUT, Nom + 1.0V, IOUT = 1mA to 300mA | 3 | ||
| Quiescent Current | IQ | 35 | 60 | µA | IOUT = 0mA | 3 | |
| Standby Current | ISTANDBY | 0.01 | 1 | µA | VEN = 0V (Disabled) | 3 | |
| Output Current | IOUT | 300 | mA | 3 | |||
| Dropout Voltage | 0.3 | 0.41 | V | IOUT = 300mA (SOT25), 1.7V < VOUT ≤ 2.1V | 3 | ||
| EN Input Low Voltage | 0 | 0.5 | V | 3 | |||
| EN Input High Voltage | 1.3 | 5.25 | V | 3 | |||
| EN Input Leakage | -1 | 1 | µA | VEN = 0V, VIN = 5.0V or VEN = 5.0V, VIN = 0V | 3 | ||
| Recommended Input Voltage | VIN | 1.7 | 5.25 | V | 3 | ||
| Recommended Output Current | IOUT | 0 | 300 | mA | 3 | ||
| Operating Junction Temperature | TJ | -40 | 125 | °C | 3 | ||
| Operating Ambient Temperature | TA | -40 | 125 | °C | 3 | ||
| Input Voltage (abs max) | VIN | 6 | V | TA = +25°C | 2 | ||
| Input Voltage for EN Pin (abs max) | VEN | 6 | V | TA = +25°C | 2 | ||
| Output Voltage (abs max) | VOUT | -0.3 | V | -0.3 to VIN + 0.3 V | 2 | ||
| Output Current (abs max) | IOUT | 400 | mA | TA = +25°C | 2 | ||
| Power Dissipation SOT25 | PD | 698 | mW | SOT25, TA = +25°C | 2 | ||
| Operating Junction Temperature (abs max) | TJ | -40 | 150 | °C | 2 | ||
| Storage Temperature | TSTG | -55 | 150 | °C | 2 | ||
| ESD HBM | ESD HBM | 2 | kV | Human Body Mode, printed > 2 kV | 2 | ||
| ESD CDM | ESD CDM | -500 | 500 | V | Charge Device Model, printed ±500 V | 2 | |
| Thermal Resistance Junction to Ambient SOT25 | θJA | 179 | °C/W | SOT25 | 3 | ||
| Thermal Resistance Junction to Case SOT25 | θJC | 52 | °C/W | SOT25 | 3 | ||
| Foldback Short Current | 55 | mA | VOUT Short to Ground | 3 | |||
| PSRR | PSRR | 75 | dB | VIN = (VOUT + 1V) VDC + 0.2Vp-pAC, VOUT ≥ 1.8V, IOUT = 30mA, f = 1kHz | 3 | ||
| Output Noise Voltage | 60 | µVrms | BW = 10Hz to 100kHz, IOUT = 30mA | 3 | |||
| Output Voltage Temperature Coefficient | 30 | ppm/°C | IOUT = 30mA, TA = -40°C to +125°C, printed ±30 | 3 | |||
| Thermal Shutdown Threshold | TSHDN | 150 | °C | 3 | |||
| Thermal Shutdown Hysteresis | THYS | 20 | °C | 3 |
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 | capacitor is recommended between VIN and GND pins to decouple input power supply glitch. This input capacitor must be located as close as possible to the device to ensure input stability and reduce no | 11 |
CAD (KiCad official)
- Symbol:
AP7343Q-185W5-7 - Footprint:
Package_TO_SOT_SMD:SOT-23-5 - 3D model: SOT-25 (KiCad packages3D, STEP)
- 3D model files:
ap7343q-185w5-7-etched.step/ap7343q-185w5-7-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ap7343q-185w5-7.step/ap7343q-185w5-7.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (20 pp, sha256
8dfa94f851e27f03, retrieved 2026-10-27, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-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).