芯片选型心得

比较依据

TPS7A4700

TPS7A7100

Output Voltage Range:

+1.4 V to +20.5 V

0.9 V to 3.5 V

VIN Range

+3 V to +36 V

1.5 V to 6.5 V

Output Voltage Noise

4.17 μVRMS (10 Hz, 100 kHz)

100 Hz to 100 kHz RMS Noise

0.9 V: 36.26 μVRMS

1.2 V: 39.57 μVRMS

3.3 V: 84.67 μVRMS

Output Curren

1 A

1 A

Dropout Voltage

307 mV at 1 A

140 mV at 1A

Package

5-mm × 5-mm QFN

3-mm × 3-mm QFN-16 and 5-mm × 5-mm QFN-20 Packages

Electrostatic Discharge Rating

1KV

2 kV