Richtek USA Inc.16-UFBGA, WLCSPRoHS
RT4803AWSC
IC REG BOOST ADJ 2A 16WLCSP
Category
Subcategory
Pmic Voltage Regulators Dc Dc Switching Regulators
Package
16-UFBGA, WLCSP
Status
Active
$5.04 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Richtek USA Inc. |
| Model | RT4803AWSC |
| Package / Case | 16-UFBGA, WLCSP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Topology | Boost |
| Voltage - Input (Min) | 1.8V |
| Voltage - Input (Max) | 5V |
| Voltage - Output | 2.85V |
| Current - Output | 2A (Switch) |
| Frequency - Switching | 2.5MHz |
| Number of Outputs | 1 |
| Supplier Device Package | 16-WLCSP (1.67x1.67) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
RT4803AWSC by Richtek USA Inc. is a Boost IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 5V, output 2.85V. The 16-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-Up |
| Topology | Boost |
| Output Type | Adjustable |
| Current - Output | 2A (Switch) |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 2.5MHz |
| Synchronous Rectifier | Yes |
| Voltage - Input (Max) | 5V |
| Voltage - Input (Min) | 1.8V |
| Voltage - Output (Max) | 4.4V |
| Voltage - Output (Min/Fixed) | 2.85V |
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