Richtek USA Inc.40-WFQFN Exposed PadRoHS
RT9917GQW
IC POWER MANAGEMENT
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Controllers
Package
40-WFQFN Exposed Pad
Status
Obsolete
Price available on request
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Richtek USA Inc. |
| Model | RT9917GQW |
| Package / Case | 40-WFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Topology | Buck, Boost |
| Frequency - Switching | 1MHz |
| Number of Outputs | 7 |
| Supplier Device Package | 40-WQFN (5x5) |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
RT9917GQW by Richtek USA Inc. is a Buck, Boost IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output adjustable. The 40-WFQFN 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
| Function | Step-Up, Step-Down |
| Topology | Buck, Boost |
| Clock Sync | No |
| Output Type | PWM |
| Control Features | Enable, Soft Start |
| Duty Cycle (Max) | 100% |
| Number of Outputs | 7 |
| Output Configuration | Positive |
| Frequency - Switching | 1MHz |
| Synchronous Rectifier | Yes |
| Voltage - Supply (Vcc/Vdd) | 2.7V ~ 5.5V |
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