R1172S181B-E2-FE
IC REG LINEAR 1.8V 1A 6HSOP
Pmic Voltage Regulators Linear
6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins
R1172x
Active
$0.60 / unit (market reference)
MOQ: 1000 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Nisshinbo Micro Devices Inc. |
| Model | R1172S181B-E2-FE |
| Package / Case | 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Input (Max) | 6V |
| Voltage - Output | 1.8V |
| Current - Output | 1A |
| Supplier Device Package | 6-HSOP-J |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
R1172S181B-E2-FE 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 6V, output 1.8V. The 6-SOIC Variation (0.154", 3.90mm Width), 4 Leads + 2 Fins 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 | 70dB (1kHz) |
| Output Type | Fixed |
| Control Features | Enable |
| Current - Output | 1A |
| Protection Features | Over Current, Over Temperature |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 6V |
| Voltage Dropout (Max) | 0.32V @ 1A |
| Current - Quiescent (Iq) | 100 µA |
| Voltage - Output (Min/Fixed) | 1.8V |
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