产品概览
The TPS61040DBVR from Texas Instruments is a 28V, 400mA switch boost converter in a SOT-23-5 package. Designed for LCD bias supply and white LED backlight applications, it operates from 1.8V to 6V input with up to 1MHz switching frequency, enabling compact solution size with small external components.
主要规格
| 输入电压范围 | 1.8V to 6V |
| Output Voltage Range | Up to 28V |
| Internal Switch Current Limit | 400mA |
| 开关频率 | Up to 1MHz |
| 静态电流 | 28μA typ. |
| 关机电流 | 1μA typ. |
| Internal Soft Start | Yes |
| 包装 | SOT-23-5 (2.9 x 1.6mm) |
| 工作温度 | -40°C to +125°C |
特点
- 1.8V to 6V input voltage range
- Adjustable output up to 28V
- 400mA internal switch current limit
- Up to 1MHz switching frequency for small inductors
- 28μA typical no-load quiescent current
- 1μA shutdown current
- Internal soft start limits inrush current
- Available in SOT-23-5 and WSON packages
- Supports ceramic and tantalum output capacitors
应用
- White LED backlight for small to medium LCDs
- LCD bias supply generation
- 3.3V or 5V to 12V boost conversion
- Battery-powered portable equipment
- OLED display power supplies