AP2139AK-3.3TRG1
IC REG LINEAR 3.3V 250MA SOT23-5
Pmic Voltage Regulators Linear
SC-74A, SOT-753
Active
$0.42 / unit (market reference)
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Diodes Incorporated |
| Model | AP2139AK-3.3TRG1 |
| Package / Case | SC-74A, SOT-753 |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Input (Max) | 6V |
| Voltage - Output | 3.3V |
| Current - Output | 250mA |
| Supplier Device Package | SOT-23-5 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
AP2139AK-3.3TRG1 by Diodes Incorporated is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 6V, output 3.3V. The SC-74A, SOT-753 package with surface mount mounting is standard for compact designs. Pay attention to input/output capacitor selection and PCB layout — switching regulators are sensitive to trace inductance.
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All Technical Specifications
| Output Type | Fixed |
| Control Features | Enable |
| Current - Output | 250mA |
| Protection Features | Over Current |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 6V |
| Voltage Dropout (Max) | 0.6V @ 250mA |
| Current - Quiescent (Iq) | 1.5 µA |
| Voltage - Output (Min/Fixed) | 3.3V |
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