AP2112K-3.3 Diodes LDO Linear Voltage Regulator IC is a fixed 3.3 V low-dropout linear voltage regulator designed to provide a stable regulated output for electronic circuits. It can deliver up to 600 mA of continuous output current and includes an enable function, thermal shutdown, short-circuit protection, low quiescent current, and automatic output discharge when disabled. Its compact SOT-23-5 package makes it suitable for compact embedded systems, microcontroller boards, portable electronics, and other 3.3 V power-supply applications.
AP2112K-3.3-Diodes-Inc-LDO Linear Voltage Regulator IC - SOT-23-5 Package Datasheet
| Parameter | Value |
|---|---|
| Product Type | LDO Linear Voltage Regulator IC |
| Model | AP2112K-3.3 |
| Brand | Diodes Incorporated |
| Output Voltage | 3.3 V |
| Output Type | Fixed |
| Output Current | 600 mA |
| Input Voltage Range | 2.5 V to 6 V |
| Output Voltage Accuracy | ±1.5% |
| Dropout Voltage | 250 mV Typ. @ 600 mA |
| Quiescent Current | 55 µA Typ. |
| Standby Current | 0.01 µA Typ. |
| PSRR | 65 dB @ 100 Hz to 1 kHz |
| Output Noise | 50 µVRMS |
| Enable Input | Yes |
| Protection | Short Circuit, Thermal Shutdown |
| Operating Temperature | -40°C to +85°C |
| Package | SOT-23-5 / SOT25 |
| Mounting Type | Surface Mount |

| Pin No. | Pin Name | Description |
|---|---|---|
| 1 | VIN | Input Voltage |
| 2 | GND | Ground |
| 3 | EN | Chip Enable; High = ON, Low = Shutdown |
| 4 | NC | No Connection |
| 5 | VOUT | 3.3 V Regulated Output |
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1 × AP2112K-3.3 Diodes LDO Linear Voltage Regulator IC - SOT-23-5 Package
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