产品概览
The SPX1117M3-L-3-3/TR from MaxLinear (formerly Sipex/Exar) is an 800mA low-dropout (LDO) voltage regulator with 3.3V fixed output in a SOT-223 package. Featuring 1.1V dropout at full load and 1% output accuracy, it is ideal for battery-powered and portable applications.
主要规格
| Output Voltage | 3.3 V (fixed, ±1%) |
| 输出电流 | 800 mA (guaranteed) |
| Dropout Voltage | 1.1 V typical @ 800mA |
| 输入电压范围 | 2.6 V to 15 V |
| 静态电流 | 5 mA typical |
| Line Regulation | 0.1% |
| Load Regulation | 0.2% |
| PSRR | 75 dB @ 120Hz |
| Protection | Overcurrent, thermal shutdown |
| Stability | 2.2µF ceramic output capacitor |
| 包装 | SOT-223-3 |
| 工作温度 | -40°C to +125°C |
特点
- 800mA guaranteed output current with 1A peak current capability
- 1.1V low dropout voltage at 800mA for efficient regulation
- 3.3V fixed output with tight ±1% accuracy
- Stable with only 2.2µF ceramic output capacitor
- Overcurrent and thermal shutdown protection
- SOT-223 surface-mount package for compact designs
应用
- 3.3V regulation from 5V supply in battery-powered devices
- Portable computer and handheld device power management
- SMPS post-regulation and SCSI active termination