Richtek USA Inc.TO-261-4, TO-261AARoHS
RT9172-33GG
IC REG LINEAR 3.3V 3A SOT223
Category
Subcategory
Pmic Voltage Regulators Linear
Package
TO-261-4, TO-261AA
Status
Active
Price available on request
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Richtek USA Inc. |
| Model | RT9172-33GG |
| Package / Case | TO-261-4, TO-261AA |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output | 3.3V |
| Current - Output | 3A |
| Supplier Device Package | SOT-223 |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
RT9172-33GG 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 3.3V. The TO-261-4, TO-261AA 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 |
| Current - Output | 3A |
| Protection Features | Over Current, Over Temperature |
| Number of Regulators | 1 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 5.5V |
| Voltage Dropout (Max) | 0.7V @ 3A |
| Current - Quiescent (Iq) | 3 mA |
| Voltage - Output (Min/Fixed) | 3.3V |
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