产品概览
TC2185-3.3VCTTR from Microchip is a 150mA ultra-low-noise LDO regulator with 3.3V fixed output, 2.5V-6V input, 55uVrms noise, 72dB PSRR. SOT-23-5.
工作原理
CMOS LDO with very low output noise (55uVrms) and high PSRR (72dB@1kHz) ideal for RF and audio. 150mA output with 180mV dropout at full load. No noise bypass capacitor needed. Enable pin for power sequencing.
Pin Description
| 针脚 | 名称 | 功能 |
|---|---|---|
| 1 | VIN | 2.5-6V input |
| 2 | 接地 | 地面 |
| 3 | EN | Enable (active high) |
| 4 | BYP | Noise bypass (optional) |
| 5 | VOUT | 3.3V output |
应用
- RF transceiver power
- Audio codec supply
- Battery-powered instruments
- Wireless modules
Alternative Models
| Mfr | Part | 说明 |
|---|---|---|
| 微型芯片 | TC2185-2.8VCTTR | 2.8V version |
| TI | TPS73633DBVR | Similar low-noise LDO |