RP400N421A-TR-FE
CURRENT MODE PWM/VFM STEP-UP DCD
Pmic Voltage Regulators Dc Dc Switching Regulators
SC-74A, SOT-753
RP400xxx1A
Active
$0.53 / unit (market reference)
MOQ: 566 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Nisshinbo Micro Devices Inc. |
| Model | RP400N421A-TR-FE |
| Package / Case | SC-74A, SOT-753 |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Topology | Boost |
| Voltage - Input (Min) | 0.8V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output | 4.2V |
| Current - Output | 600mA |
| Frequency - Switching | 700kHz |
| Number of Outputs | 1 |
| Supplier Device Package | SOT-23-5 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
RP400N421A-TR-FE by Nisshinbo Micro Devices Inc. is a Boost IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 5.5V, output 4.2V. 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
| Function | Step-Up |
| Topology | Boost |
| Output Type | Fixed |
| Current - Output | 600mA |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 700kHz |
| Synchronous Rectifier | No |
| Voltage - Input (Max) | 5.5V |
| Voltage - Input (Min) | 0.8V |
| Voltage - Output (Min/Fixed) | 4.2V |
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