产品概览
The TI TPS7A4700RGWR is a 1A ultra-low-noise LDO providing adjustable output from 0.8V to 34V in VQFN-20 (3.5×3.5mm) package. With 4.17uVrms output noise, 72dB PSRR at 1kHz, and 200mV dropout at 1A, it represents TI’s highest-performance LDO for the most demanding analog, RF, and precision measurement applications.
主要规格
| Output Voltage | 0.8V to 34V (adjustable) |
| 输出电流 | 1A |
| 输入电压 | 4.0V to 35V |
| Dropout Voltage | 200mV @ 1A |
| Output Noise | 4.17uVrms (10Hz-100kHz) |
| PSRR | 72dB @ 1kHz |
| Accuracy | ±1% |
| 包装 | VQFN-20 (RGW, 3.5×3.5mm) |
| 工作温度 | -40°C to +125°C |
特点
- 4.17uVrms ultra-low output noise
- 72dB PSRR at 1kHz
- 0.8V to 34V adjustable output
- 1A output current
- External bias option for ultra-low dropout
- Power-good (PG) output
- Fast transient response
应用
- Precision ADC/DAC reference supply
- RF/PLL/VCO clean power
- Audio DAC power supply
- Test and measurement
- Medical imaging