Rochester Electronics, LLC12-UFBGA, WLCSPRoHS
FAN5355UC00X
SWITCHING CONTROLLER, VOLTAGE-MO
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Regulators
Package
12-UFBGA, WLCSP
Status
Active
$0.75 / unit (market reference)
MOQ: 401 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Rochester Electronics, LLC |
| Model | FAN5355UC00X |
| Package / Case | 12-UFBGA, WLCSP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Topology | Buck |
| Voltage - Input (Min) | 2.7V |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output | 0.75V |
| Current - Output | 800mA |
| Frequency - Switching | 3MHz |
| Number of Outputs | 1 |
| Supplier Device Package | 12-WLCSP (2.23x1.46) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
FAN5355UC00X by Rochester Electronics, LLC is a Buck IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 5.5V, output 0.75V. The 12-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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All Technical Specifications
| Function | Step-Down |
| Topology | Buck |
| Output Type | Programmable |
| Current - Output | 800mA |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 3MHz |
| Synchronous Rectifier | Yes |
| Voltage - Input (Max) | 5.5V |
| Voltage - Input (Min) | 2.7V |
| Voltage - Output (Max) | 1.54V |
| Voltage - Output (Min/Fixed) | 0.75V |
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