Richtek USA Inc.SC-74A, SOT-753RoHS
RT9181GB
IC REG LINEAR 1.2V 150MA SOT23-5
Category
Subcategory
Pmic Voltage Regulators Linear
Package
SC-74A, SOT-753
Status
Active
Price available on request
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Richtek USA Inc. |
| Model | RT9181GB |
| Package / Case | SC-74A, SOT-753 |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 110°C |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output | 1.2V |
| Current - Output | 150mA |
| Supplier Device Package | SOT-23-5 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
RT9181GB by Richtek USA 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 1.2V. 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
| PSRR | 62dB (100Hz) |
| Output Type | Fixed |
| Control Features | Enable, Power Good |
| Current - Output | 150mA |
| Protection Features | Over Current, Over Temperature, Under Voltage Lockout (UVLO) |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 5.5V |
| Current - Quiescent (Iq) | 250 µA |
| Voltage - Output (Min/Fixed) | 1.2V |
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