LDO Regulator with Bias Rail and Very Low Dropout, 1A, Replace NCP139
FEATURES

• Input Supply Voltage Range: 0.5V to 5.5V

• Bias Supply Voltage Range: 2.5V to 5.5V

• Adjustable Output Voltage Range: 0.5V to 3.3V

• Output Voltage Accuracy: ±0.8% at +25℃

• High PSRR: 70dB (TYP) at 1kHz

• Low Dropout Voltage: 75mV (TYP) at 1.5A

• Low Bias Input Current: 96μA (TYP)

• Very Low Bias Input Current in Shutdown: < 1μA

• Low Noise: 29μVRMS (TYP)

• Fast Load Transient Response

• Output Current Limit

• Stable with Small Case Size Ceramic Capacitors

• Thermal Shutdown Protection

• Logic Level Enable Input for ON/OFF Control

• -40℃ to +125℃ Operating Temperature Range

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

PIN CONFIGUTION
CROSS
NCP139 NCP139.pdf

No.11376

FEATURES

• Input Voltage Range: VOUT to 5.5 V

• Bias Voltage Range: 3.0 V to 5.5 V

• Adjustable and Fixed Voltage Version Available

• Output Voltage Range: 0.4 V to 1.8 V (Fixed)

  Output Voltage Range: 0.5 V to 3.0 V (Adjustable)

• ±1% Accuracy over Temperature, 0.5% VOUT @ 25°C

• Ultra−Low Dropout: Typ. 50 mV at 1 A

• Very Low Bias Input Current of Typ. 35 A

• Very Low Bias Input Current in Disable Mode: Typ. 0.5 A

• Logic Level Enable Input for ON/OFF Control

• Output Active Discharge Option Available

• Stable with a 10 F Ceramic Capacitor





PIN CONFIGUTION
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