LDO Regulator - Very Low Dropout, CMOS, Bias Rail 700 mA NCP137 The NCP137 is a 700 mA VLDO equipped with NMOS pass transistor and a separate bias supply voltage (V ). The device BIAS www.onsemi.com provides very stable, accurate output voltage with low noise suitable for space constrained, noise sensitive applications. In order to optimize performance for battery operated portable applications, the MARKING NCP137 features low I consumption. The WLCSP6 1.2 mm x Q DIAGRAM 0.8 mm Chip Scale package is optimized for use in space constrained applications. WLCSP6, 1.2x0.8 XXM CASE 567MV Features XX = Specific Device Code Input Voltage Range: V to 5.5 V OUT M = Month Code Bias Voltage Range: 2.5 V to 5.5 V Adjustable and Fixed Voltage Version Available Output Voltage Range: 0.4 V to 1.8 V (Fixed) and PIN CONNECTIONS Output Voltage Range: 0.5 V to 3.0 V (Adjustable) 12 1% Accuracy over Temperature, 0.5% V 25C OUT UltraLow Dropout: Typ. 40 mV at 700 mA Very Low Bias Input Current of Typ. 35 A A VOUT VIN 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 B SNS/FB EN Stable with a 4.7 F Ceramic Capacitor Available in WLCSP6 1.2 mm x 0.8 mm, 0.4 mm pitch Package These Devices are PbFree, Halogen Free/BFR Free and are RoHS Compliant C GND VBIAS Typical Applications Batterypowered Equipment Top View Smartphones, Tablets Cameras, DVRs, STB and Camcorders ORDERING INFORMATION See detailed ordering, marking and shipping information on page 7 of this data sheet. V V BIAS BIAS 2.5 V 2.5 V V V 1 F NCP137 ADJ 1 F NCP137 OUT OUT 0.9 V up to 700 mA 0.9 V up to 700 mA BIAS BIAS OUT OUT V V IN IN R1 IN IN 4.7 F 10 F 1.02 V 1.02 V FB SNS EN EN 4.7 F 4.7 F GND GND R2 V V EN EN Figure 1. Typical Application Schematics Semiconductor Components Industries, LLC, 2016 1 Publication Order Number: January, 2021 Rev. 6 NCP137/DNCP137 CURRENT OUT IN LIMIT ENABLE 150 EN BLOCK *Active DISCHARGE BIAS UVLO 0.50 V VOLTAGE + THERMAL REFERENCE LIMIT FB GND *Active output discharge function is present only in NCP137A option devices. Figure 2. Simplified Schematic Block Diagram Adjustable Version CURRENT IN OUT LIMIT ENABLE 150 EN BLOCK *Active DISCHARGE BIAS UVLO VOLTAGE + REFERENCE THERMAL LIMIT SNS GND *Active output discharge function is present only in NCP137A option devices. Figure 3. Simplified Schematic Block Diagram Fixed Version www.onsemi.com 2