产品概览
The LM317LMX/NOPB from Texas Instruments is a 1.5A adjustable positive voltage regulator in an SOT-223 package. With output voltage adjustable from 1.25V to 37V, 0.1% load regulation, and built-in thermal/current protection, it is one of the most widely used linear regulators in electronics.
主要规格
| 输出类型 | Adjustable (1.25V to 37V) |
| 输出电流 | 1.5 A |
| 输入电压 | Up to 40V |
| Line Regulation | 0.01%/V (typ) |
| Load Regulation | 0.1% (typ) |
| Reference Voltage | 1.25V (typ) |
| Dropout Voltage | ~2V (typ @ full load) |
| Ripple Rejection | 80 dB (typ @ 120Hz) |
| 工作温度 | 0 to +125 C (junction) |
| 包装 | SOT-223 (4-pin) |
特点
- Output adjustable from 1.25V to 37V
- 1.5A output current
- 0.1% load regulation
- 0.01%/V line regulation
- 80dB ripple rejection
- Built-in thermal shutdown
- Current limiting protection
- Safe operating area compensation
- Floating operation (high voltage capability)
- Only 2 external resistors needed
应用
- Adjustable power supplies
- Battery chargers
- Current regulators
- Voltage reference generation
- General-purpose linear regulation