NCP146 Voltage Regulator - CMOS Low Dropout 300 mA The NCP146 is 300 mA LDO that provides the engineer with a very www.onsemi.com stable, accurate voltage with low noise suitable for space constrained, noise sensitive applications. In order to optimize performance for battery operated portable applications, the NCP146 employs the MARKING dynamic quiescent current adjustment for very low I consumption at Q DIAGRAM noload. 8 Features PC180 SOIC8 8 ALYW Operating Input Voltage Range: 1.7 V to 5.5 V CASE 751 1 Available in Fixed Voltage Options: 1.8 V 1 Very Low Quiescent Current of Typ. 50 A A = Assembly Location Low Dropout: 280 mV Typical at 300 mA L = Wafer Lot 1% Accuracy at Room Temperature Y = Year W = Work Week High Power Supply Ripple Rejection: 75 dB at 1 kHz = PbFree Package Thermal Shutdown and Current Limit Protections Stable with a 1 F Ceramic Output Capacitor PIN CONNECTIONS Available in SOIC8 Package These Devices are PbFree, Halogen Free/BFR Free and are RoHS 8 IN OUT 1 Compliant GND GND 2 7 Typical Applicaitons Home Automation, Factory Automation GND 3 6 GND Portable Medical Equipment N/C 4 5 N/C Other Battery Powered Applications SOIC8 (Top View) V V IN OUT IN OUT NCP146 ORDERING INFORMATION C OUT See detailed ordering, marking and shipping information on C 1 F IN GND page 8 of this data sheet. Ceramic Figure 1. Typical Application Schematic Semiconductor Components Industries, LLC, 2016 1 Publication Order Number: October, 2019 Rev. 1 NCP146/DNCP146 IN THERMAL SHUTDOWN BANDGAP MOSFET REFERENCE DRIVER WITH CURRENT LIMIT OUT AUTO LOW POWER MODE GND Figure 2. Simplified Schematic Block Diagram PIN FUNCTION DESCRIPTION Pin No. Pin Name Description 1 OUT Regulated output voltage pin. A small ceramic capacitor with minimum value of 1 F is needed from this pin to ground to assure stability. 2, 3, 6, 7 GND Power supply ground. 8 IN Input pin. A small capacitor is needed from this pin to ground to assure stability. 4, 5 N/C Not connected. This pin can be tied to ground to improve thermal dissipation. ABSOLUTE MAXIMUM RATINGS Rating Symbol Value Unit Input Voltage (Note 1) V 0.3 V to 6 V V IN Output Voltage VOUT 0.3 V to VIN + 0.3 V or 6 V V Output Short Circuit Duration tSC s Maximum Junction Temperature T 150 C J(MAX) 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 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 (Note 3) Rating Symbol Value Unit Thermal Characteristics, SOIC8 R 161 C/W JA Thermal Resistance, JunctiontoAir 2 3. Single component mounted on 1 oz, FR 4 PCB with 645 mm Cu area. www.onsemi.com 2