FAN5903UCX
SWITCHING REGULATOR, CURRENT-MOD

Pmic Voltage Regulators Special Purpose
9-UFBGA, WLCSP
Active
$0.29 / unit (market reference)
MOQ: 1051 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | FAN5903UCX |
| Package / Case | 9-UFBGA, WLCSP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Output | 0.4V ~ 5.5V |
| Number of Outputs | 1 |
| Supplier Device Package | 9-WLCSP (1.34x1.29) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
FAN5903UCX by Rochester Electronics, LLC is a power conversion IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to N/A, output 0.4V ~ 5.5V. The 9-UFBGA, WLCSP 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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View All →All Technical Specifications
| Applications | Converter, 3G, 3.5G, 4G RF Power Amplifier |
| Voltage - Input | 2.7V ~ 5.5V |
| Voltage - Output | 0.4V ~ 5.5V |
| Number of Outputs | 1 |
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