NCP121 Voltage Regulator - High Accuracy, Very Low Dropout, Bias Rail, CMOS 150 mA www.onsemi.com T The NCP121 is a high accuracy 150 mA VLDO equipped with NMOS pass transistor and a separate bias supply voltage (V ). The MARKING BIAS device provides stable, very accurate output voltage with low noise DIAGRAM suitable for space constrained, noise sensitive applications. In order to XDFN6 optimize performance for battery operated portable applications, the XX M CASE 711AT NCP121 features low I consumption. The XDFN6 1.2 mm x 1.2 mm Q package is optimized for use in space constrained applications. XX = Specific Device Code Features M = Date Code Input Voltage Range: 0.8 V to 5.5 V Bias Voltage Range: 2.4 V to 5.5 V PIN CONNECTIONS Fixed Output Voltage Device Output Voltage Range: 0.8 V to 2.1 V OUT IN 1.0% Accuracy over Line, Load and Temperature, 0.2% V 1 6 OUT 25C UltraLow Dropout: 75 mV Maximum at 150 mA Thermal NC GND 2 5 Pad Very Low Bias Input Current of Typ. 80 A Very Low Bias Input Current in Disable Mode: Typ. 0.5 A EN 3 4 BIAS Logic Level Enable Input for ON/OFF control Output Active Discharge Option available (Top VIew) Stable with a 1 F Ceramic Capacitor Available in XDFN6 1.2 mm x 1.2 mm x 0.4 mm package These Devices are PbFree, Halogen Free/BFR Free and are RoHS ORDERING INFORMATION Compliant See detailed ordering, marking and shipping information on page 7 of this data sheet. Typical Applications Batterypowered Equipment Smartphones, Tablets Cameras, DVRs, STB and Camcorders V BIAS 2.7 V NCP121 100 nF BIAS OUT V OUT V 1.05 V 150 mA IN IN 1 F 1.2 V 1 F EN GND V EN Figure 1. Typical Application Schematics Semiconductor Components Industries, LLC, 2015 1 Publication Order Number: October, 2019 Rev. 1 NCP121/DNCP121 CURRENT IN OUT LIMIT ENABLE EN BLOCK UVLO BIAS 150 VOLTAGE + REFERENCE THERMAL LIMIT *Active DISCHARGE GND *Active output discharge function is present only in NCP121AMXyyyTCG devices. yyy denotes the particular output voltage option. Figure 2. Simplified Schematic Block Diagram PIN FUNCTION DESCRIPTION Pin No. Pin Name Description 1 OUT Regulated Output Voltage pin 2 N/C Not internally connected 3 EN Enable pin. Driving this pin high enables the regulator. Driving this pin low puts the regulator into shutdown mode. 4 BIAS Bias voltage supply for internal control circuits. This pin is monitored by internal Under-Voltage Lockout Circuit. 5 GND Ground pin 6 IN Input Voltage Supply pin Pad Should be soldered to the ground plane for increased thermal performance. ABSOLUTE MAXIMUM RATINGS Rating Symbol Value Unit Input Voltage (Note 1) V 0.3 to 6 V IN Output Voltage V 0.3 to (V +0.3) 6 V OUT IN Chip Enable and Bias Input V V 0.3 to 6 V EN, BIAS Output Short Circuit Duration t unlimited s SC Maximum Junction Temperature T 150 C J Storage Temperature T 55 to 150 C STG ESD Capability, Human Body Model (Note 2) ESD 2000 V HBM ESD Capability, Machine Model (Note 2) ESD 200 V MM Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 1. Refer to ELECTRICAL CHARACTERISTICS and APPLICATION INFORMATION for Safe Operating Area. 2. This device series incorporates ESD protection (except OUT pin) and is tested by the following methods: ESD Human Body Model tested per EIA/JESD22A114 ESD Machine Model tested per EIA/JESD22 A115 Latchup Current Maximum Rating tested per JEDEC standard: JESD78. THERMAL CHARACTERISTICS Rating Symbol Value Unit Thermal Characteristics, XDFN6 1.2 mm x 1.2 mm Thermal Resistance, JunctiontoAir R 170 C/W JA www.onsemi.com 2