500 mA, Very Low Dropout Bias Rail CMOS Voltage Regulator NCP133 The NCP133 is a 500 mA VLDO equipped with NMOS pass transistor and a separate bias supply voltage (V ). The device www.onsemi.com BIAS provides very stable, accurate output voltage with low noise suitable T for space constrained, noise sensitive applications. In order to optimize performance for battery operated portable applications, the MARKING NCP133 features low I consumption. The XDFN6 1.2 mm x 1.2 mm Q DIAGRAM package is optimized for use in space constrained applications. XDFN6 XX M Features CASE 711AT Input Voltage Range: 0.8 V to 5.5 V Bias Voltage Range: 2.4 V to 5.5 V XX = Specific Device Code Adjustable and Fixed Voltage Versions Available M = Date Code Output Voltage Range: 0.8 V to 2.1 V (Fixed) and 0.8 V to 3.6 V (Adjustable) 1.5% Accuracy over Temperature, 0.5% V 25C OUT PIN CONNECTIONS UltraLow Dropout: Typ. 140 mV at 500 mA Very Low Bias Input Current of Typ. 80 A OUT 1 6 IN Very Low Bias Input Current in Disable Mode: Typ. 0.5 A Logic Level Enable Input for ON/OFF Control 2 5 GND ADJ/NC GND Output Active Discharge Option Available Stable with a 2.2 F Ceramic Capacitor Available in XDFN6 1.2 mm x 1.2 mm x 0.4 mm Package EN 3 4 BIAS These Devices are PbFree, Halogen Free/BFR Free and are RoHS Compliant (Top VIew) Typical Applications Batterypowered Equipment ORDERING INFORMATION See detailed ordering and shipping information on page 8 of Smartphones, Tablets this data sheet. Cameras, DVRs, STB and Camcorders V V BIAS BIAS >2.7 V >2.7 V NCP133 NCP133 ADJ 100 nF 100 nF BIAS V BIAS V OUT OUT OUT OUT 1 V up to 500 mA 1 V up to 500 mA V V IN IN R1 IN IN 2.2 F 2.2 F 1.5 V 1.5 V ADJ 1 F 1 F EN EN GND GND R2 V V EN EN Figure 1. Typical Application Schematics Semiconductor Components Industries, LLC, 2015 1 Publication Order Number: September, 2019 Rev. 5 NCP133/DNCP133 CURRENT IN OUT LIMIT ENABLE EN BLOCK BIAS UVLO 150 VOLTAGE + REFERENCE THERMAL LIMIT *Active DISCHARGE GND *Active output discharge function is present only in NCP133AMXyyyTCG devices. yyy denotes the particular output voltage option. Figure 2. Simplified Schematic Block Diagram Fixed Version CURRENT OUT IN LIMIT ENABLE 150 EN BLOCK *Active DISCHARGE BIAS UVLO 0.80 V VOLTAGE + THERMAL REFERENCE LIMIT ADJ GND *Active output discharge function is present only in NCP133AMXADJTCG devices. Figure 3. Simplified Schematic Block Diagram Adjustable Version www.onsemi.com 2