Product Overview
The Richtek RT8294AZSP is a 3A synchronous step-down DC-DC converter in SOP-8 (EXPOSED PAD) package. Operating from 4.5V to 18V input with integrated power MOSFETs and 500kHz switching frequency, it provides a compact, high-efficiency buck converter solution for 5V/12V-to-point-of-load conversion.
Key Specifications
| Topology | Synchronous Step-Down (Buck) |
| Input Voltage | 4.5V to 18V |
| Output Voltage | 0.8V to 14V (adjustable) |
| Output Current | 3A |
| Switching Frequency | 500kHz (fixed) |
| Quiescent Current | 1.5mA (typical) |
| Reference Voltage | 0.8V ±1% |
| Package | SOP-8 (EP) |
| Operating Temperature | -40°C to +85°C |
Features
- 3A output current
- Integrated synchronous MOSFETs
- 4.5V to 18V wide input range
- 0.8V ±1% reference voltage
- 500kHz fixed switching frequency
- Overcurrent and thermal protection
- Power-good output
Applications
- 12V-to-3.3V/1.8V point-of-load
- Set-top box power supply
- Networking equipment POL
- Consumer electronics power
- 5V-to-1.2V core voltage