CMOS Voltage Regulator, Very Low Dropout Bias Rail, 500 mA NCP135 The NCP135 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 NCP135 features low I consumption. The NCP135 is offered in DIAGRAM Q WDFN6 2 mm x 2 mm package. 1 WDFN6 XX M Features CASE 511BR Input Voltage Range: 0.4 V to 5.5 V XX = Specific Device Code Bias Voltage Range: 2.5 V to 5.5 V M = Date Code Fixed Output Voltage of 0.4 V and 0.75 V 1% Accuracy over Temperature, 0.5% V 25C OUT UltraLow Dropout: Typ. 53 mV at 500 mA PIN CONNECTIONS Very Low Bias Input Current of Typ. 35 A Logic Level Enable Input for ON/OFF Control IN OUT 1 6 Output Active Discharge Option Available Stable with a 10 F Ceramic Capacitor Thermal GND SNS 2 5 Available in WDFN6 2 mm x 2 mm, 0.65 mm pitch Package Pad This is a PbFree Device BIAS 3 4 EN Typical Applications Batterypowered Equipment (Top View) Smartphones, Tablets Cameras, DVRs, STB and Camcorders ORDERING INFORMATION V IN See detailed ordering, marking and shipping information on page 10 of this data sheet. 4.7 F NCP135 IN V OUT OUT 0.4 V, 0.75 V up to 500 mA V BIAS BIAS 10 F SNS EN 0.1 F GND V EN Figure 1. Typical Application Schematic Semiconductor Components Industries, LLC, 2017 1 Publication Order Number: September, 2020 Rev. 2 NCP135/DNCP135 CURRENT OUT IN LIMIT ENABLE 150 EN BLOCK *Active DISCHARGE BIAS UVLO VOLTAGE + REFERENCE THERMAL LIMIT SNS GND *Active output discharge function is present only in NCP135A option devices. Figure 2. Simplified Schematic Block Diagram www.onsemi.com 2