LM27762
Overview
The LM27762 delivers very low-noise positive and negative outputs that are adjustable between ±1.5 V and ±5 V. Input-voltage range is from 2.7 V to 5.5 V, and output current goes up to ±250 mA.
- 1 Generates Low-Noise Adjustable Positive Supply Voltage Between 1.5 V and 5 V and Negative Supply Voltage Between -1.5 V and -5 V
- Input Voltage Range 2.7 V to 5.5 V
- ±250-mA Output Current
- Inverting Charge Pump Followed by Negative LDO
- 2-MHz Low-Noise Fixed-Frequency Operation
- 2.5-Ω Inverter Output Impedance, VIN = 5 V
- Negative LDO Dropout Voltage 30 mV at 100 mA, VOUT = -5 V
- Positive LDO with 45-mV Dropout Voltage at 100 mA, VOUT = 5 V
- 390-µA Quiescent Current (Typical)
- Shutdown Quiescent Current to 0.5 µA (Typical)
