1.2A, Low Noise, Ultra Low Dropout Bias Rail CMOS Voltage Regulator,Replace LD57100
FEATURES

• Input Voltage Range: 0.5V to 5.5V

• Bias Voltage Range: 2.5V to 5.5V

• Adjustable Output Voltage Range: 0.5V to 3.3V

• Low Dropout Voltage: 50mV (TYP) at 1A

• Very Low Bias Input Current: 35μA (TYP)

• Very Low Bias Input Current in Disable Mode: 0.1μA (TYP)

• Low Noise: 29μVRMS (TYP)

• Over-Current Protection

• Over-Temperature Protection

• Fast Load Transient Response

• Logic Level Enable Input for ON/OFF Control

• -40℃ to +125℃ Operating Temperature Range

• Available in a Green WLCSP-0.8×1.2-6B-B Package



PIN CONFIGUTION
优势替代
LD57100 LD57100.pdf

No.13587

FEATURES

• Input voltage from VOUT to 5.5 V

• Input bias supply pin from 3.0 V to 5.5 V

• Ultra low-dropout voltage (40 mV typ. at 1 A load)

• Low ground current (35 μA typ. at no load)

• Output voltage tolerance: ±1% all over 

  temperature range, ±0.5% at 25 °C

• 1 A guaranteed output current

• 50 mV output voltage step available from 0.4 V to 1.8 V

• 100 mV output voltage step available from 1.9 V to 3.6 V

• Adjustable version from 0.5 V to 3.0 V

• Logic-controlled electronic shutdown

• Internal current limit

• Output active discharge function

• Available in Flip Chip6 (0.8x1.2 mm) package

• Temperature range: -40 °C to 85 °C

PIN CONFIGUTION
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