Nisshinbo Micro Devices Inc.4-UDFN Exposed PadRoHS
RP122K281D-TR
IC REG LIN 2.8V 400MA DFN1010-4
Category
Subcategory
Pmic Voltage Regulators Linear
Package
4-UDFN Exposed Pad
Series
RP122x
Status
Active
$0.49 / unit (market reference)
MOQ: 10000 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Nisshinbo Micro Devices Inc. |
| Model | RP122K281D-TR |
| Package / Case | 4-UDFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output | 2.8V |
| Current - Output | 400mA |
| Supplier Device Package | DFN(PLP)1010-4B |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
RP122K281D-TR by Nisshinbo Micro Devices Inc. is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 5.5V, output 2.8V. The 4-UDFN Exposed Pad 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
| PSRR | 90dB ~ 65dB (1kHz ~ 100kHz) |
| Output Type | Fixed |
| Control Features | Enable |
| Current - Output | 400mA |
| Protection Features | Over Current, Over Temperature |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 5.5V |
| Voltage Dropout (Max) | 0.265V @ 400mA |
| Current - Quiescent (Iq) | 25 µA |
| Voltage - Output (Min/Fixed) | 2.8V |
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