RT2855BHGQW
IC REG BUCK ADJUSTABLE 4A 16WQFN
Pmic Voltage Regulators Dc Dc Switching Regulators
16-WFQFN Exposed Pad
ACOT™
Active
$2.78 / 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 | RT2855BHGQW |
| Package / Case | 16-WFQFN Exposed Pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Topology | Buck |
| Voltage - Input (Min) | 4.5V |
| Voltage - Input (Max) | 18V |
| Voltage - Output | 0.765V |
| Current - Output | 4A |
| Frequency - Switching | 650kHz |
| Number of Outputs | 1 |
| Supplier Device Package | 16-WQFN (3x3) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
RT2855BHGQW by Richtek USA Inc. is a Buck IC commonly used in power supply designs, battery-powered devices, and DC-DC conversion modules. Input voltage up to 18V, output 0.765V. The 16-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.
📖 Technical Guides for RT2855BHGQW
ESP32 vs STM32: Which MCU is Right for Your Project?
Components Guide
Chinese MCU Alternatives: GD32, AT32, APM32 & More — 40-80% Cost Savings vs ST/NXP/Microchip
Components Guide
Op-Amp Selection Guide: 8 Most Popular Types and When to Use Each
Components Guide
LM358 Alternatives & Replacements: Complete Pin-to-Pin Guide
Components Guide
Alternatives & Replacements
View All →TPS61391RTER
FINISH GOODS FOR TPS61391
LM5158RTER
3-A, 85-V, 2.2-MHZ WIDE VIN BOOS
LT3571IUD#TRPBF
IC REG BOOST ADJ 370MA 16QFN
RT8058GQW
IC REG BUCK ADJUSTABLE 2A 16WQFN
TS3300ITQ1633T
IC REG BOOST ADJ 365MA 16TQFN
LTC3129EUD-1#PBF
IC REG BCK BST PROG 200MA 16QFN
All Technical Specifications
| Function | Step-Down |
| Topology | Buck |
| Output Type | Adjustable |
| Current - Output | 4A |
| Number of Outputs | 1 |
| Output Configuration | Positive |
| Frequency - Switching | 650kHz |
| Synchronous Rectifier | Yes |
| Voltage - Input (Max) | 18V |
| Voltage - Input (Min) | 4.5V |
| Voltage - Output (Max) | 7V |
| Voltage - Output (Min/Fixed) | 0.765V |
Request a Quote
Submit your quantity and details — we will reply within 24 hours.