产品概览
The Richtek RT8068AZQW is a high-efficiency synchronous step-down DC/DC converter operating at a fixed 1MHz switching frequency. It accepts input voltages from 2.7V to 5.5V and delivers an adjustable output from 0.6V to VIN with up to 3A output current. The integrated synchronous MOSFET switches eliminate the need for an external Schottky diode, achieving efficiencies up to 95%.
主要规格
| 输入电压范围 | 2.7V to 5.5V |
| Output Voltage Range | 0.6V to VIN (adjustable) |
| Max Output Current | 3A |
| 开关频率 | 1 MHz (fixed) |
| High-Side RDS(ON) | 69 mΩ (typ) |
| Low-Side RDS(ON) | 49 mΩ (typ) |
| 静态电流 | 110 µA (typ) |
| 关机电流 | 1 µA (max) |
| Reference Voltage | 0.6V (±1%) |
| Peak Current Limit | 4A (typ) |
| 工作温度 | -40°C to +125°C (TJ) |
| 包装 | WDFN-10L 3×3 (W-Type) |
特点
- High efficiency up to 95% with integrated synchronous switches
- No external Schottky diode required
- Internal compensation for simplified design
- 100% duty cycle low dropout operation extending battery life
- Current mode control with fast transient response
- Comprehensive protection: OCP, UVP, OVP, OTP
- Power Good output indicator
- RoHS compliant and halogen free
应用
- Portable instruments
- Battery-powered equipment
- Notebook computers
- 分布式电源系统
- IP phones
- Digital cameras