产品概览
The TPS562219ADDFT from Texas Instruments is a 4.5V-to-17V input, 2A synchronous step-down converter in a TSOT-23-8 package. Using D-CAP2 mode control at 650kHz, it provides fast transient response with no external compensation, supporting output voltages from 0.76V to 7V.
主要规格
| 输入电压 | 4.5 V to 17 V |
| 输出电流 | 2 A |
| Output Voltage | 0.76 V to 7 V (adjustable) |
| 开关频率 | 650 kHz (fixed) |
| 控制模式 | D-CAP2 |
| High-Side FET RDS(on) | 133 mOhm |
| Low-Side FET RDS(on) | 80 mOhm |
| Feedback Voltage Accuracy | 1% at 25°C |
| 关机电流 | <10 uA |
| 特点 | OVP, UVLO, OCP, thermal shutdown, PGOOD |
| 工作温度 | -40°C to +85°C |
| 包装 | TSOT-23-8 (1.6 x 2.9 mm) |
特点
- 4.5V to 17V input range with integrated 133mOhm/80mOhm synchronous FETs
- D-CAP2 mode control provides fast transient response without external compensation
- 650kHz fixed switching frequency enables compact inductor selection
- 1% feedback voltage accuracy and adjustable soft-start
- Power good output, OVP, cycle-by-cycle OCP, and thermal shutdown
应用
- Digital TV and set-top box point-of-load power conversion
- Blu-ray player and network terminal 5V/3.3V buck regulation
- General-purpose 2A step-down conversion from 12V or 5V input