产品概览
The Richtek RT9193-33GB is a 300mA ultra-low-noise CMOS LDO regulator providing a fixed 3.3V output in SOT-23-5 package. Featuring 220mV dropout at 300mA, 90uA quiescent current, and a noise bypass pin for further noise reduction, it is optimized for portable RF and wireless applications demanding clean power supply.
主要规格
| Output Voltage | 3.3V (fixed) |
| 输出电流 | 300mA |
| 输入电压 | 2.5V to 5.5V |
| Dropout Voltage | 220mV @ 300mA |
| 静态电流 | 90uA (typical) |
| 关机电流 | <0.01uA |
| Output Noise | Ultra-low (with BP cap) |
| PSRR | High (with BP cap) |
| Accuracy | ±2% |
| 包装 | SOT-23-5 |
| 工作温度 | -40°C to +85°C |
| Status | Last Time Buy |
特点
- Ultra-low noise for RF applications
- Noise bypass pin for further noise reduction
- 220mV low dropout at 300mA
- 90uA quiescent current
- <0.01uA shutdown current
- 50us fast startup
- Stable with 1uF ceramic output
应用
- RF module power supply
- Wireless handset clean power
- Audio codec supply
- ADC/DAC reference supply
- Portable communications