RT9055-SSWSC
IC REG LINEAR 3.3V/3.3V 6WLCSP

Pmic Voltage Regulators Linear
6-UFBGA, WLCSP
Active
$1.44 / 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 | RT9055-SSWSC |
| Package / Case | 6-UFBGA, WLCSP |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output | 3.3V, 3.3V |
| Current - Output | 300mA, 300mA |
| Supplier Device Package | 6-WLCSP (1.2x0.80) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
RT9055-SSWSC 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, 3.3V. The 6-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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Alternatives & Replacements
View All →RT9055-NGWSC
IC REG LINEAR 1.8V/2.85V 6WLCSP
RT9055-VMWSC
IC REG LINEAR 2.8V/2.9V 6WLCSP
RT9055-JJWSC
IC REG LINEAR 2.5V/2.5V 6WLCSP
RT9085AWSC
IC REG LINEAR POS ADJ 1A 6WLCSP
RT9055-CCWSC
IC REG LINEAR 1.2V/1.2V 6WLCSP
RT9055-NNWSC
IC REG LINEAR 2.85V/2.85V 6WLCSP
All Technical Specifications
| PSRR | 70dB ~ 38dB (100Hz ~ 300kHz) |
| Output Type | Fixed |
| Control Features | Enable |
| Current - Output | 300mA, 300mA |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Number of Regulators | 2 |
| Output Configuration | Positive |
| Voltage - Input (Max) | 5.5V |
| Voltage Dropout (Max) | 0.3V @ 300mA, 0.3V @ 300mA |
| Current - Quiescent (Iq) | 58 µA |
| Voltage - Output (Min/Fixed) | 3.3V, 3.3V |
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