Voltage Regulator - Low Iq, Low Dropout, Power Good Output 1.2 A NCP187 www.onsemi.com The NCP187 is 1.2 A LDO Linear Voltage Regulator. It is a very stable and accurate device with low quiescent current consumption (typ. 30 A over the full temperature range), low dropout, low output noise and very good PSRR. The regulator incorporates several protection features such as Thermal Shutdown, Soft Start, Current Limiting and also Power Good Output signal for easy MCU WDFN6/WDFNW6 2x2 interfacing. CASES 511BR & 511DW Features Operating Input Voltage Range: 1.5 V to 5.5 V MARKING DIAGRAM Adjustable and Fixed Voltage Options Available: 0.8 V to 5.2 V Low Quiescent Current: typ. 30 A over Temperature 2% Accuracy Over Full Load, Line and Temperature variations XXM PSRR: 75 dB at 1 kHz Low Noise: typ. 15 V from 10 Hz to 100 kHz RMS XX = Specific Device Code Stable With Small 10 F Ceramic Capacitor M = Month Code = PbFree Package Softstart to Reduce Inrush Current and Overshoots Thermal Shutdown and Current Limit Protection (Note: Microdot may be in either location) Power Good Signal Extends Application Range Available in WDFN6 and WDFNW6 2x2, 0.5P Packages PIN CONNECTIONS This is Pbfree Device Typical Applications Wireless Chargers Portable Equipment Smart Camera and Robotic Vision Systems Telecommunication and Networking Systems WDFN6, WDFNW6 2x2 mm (Top View) V V OUT IN IN OUT NCP187 SNS ORDERING INFORMATION C C 10 F IN 1 F OUT PG EN See detailed ordering and shipping information in the package GND Ceramic Ceramic dimensions section on page 7 of this data sheet. ON OFF Figure 1. Typical Application Schematic Semiconductor Components Industries, LLC, 2018 1 Publication Order Number: August, 2020 Rev. 2 NCP187/DNCP187 PIN FUNCTION DESCRIPTION Pin No. Pin Name Description 1 IN Input pin. A small capacitor is needed from this pin to ground to assure stability 6 OUT Regulated output voltage pin. A small 10 F ceramic capacitor is needed from this pin to ground to as- sure stability 3, EXP GND Power supply ground 2 EN Enable pin. Driving this pin high turns on the regulator. Driving EN pin low puts the regulator into shut- down mode 5 SNS Sense pin. Connect this pin to regulated output voltage or resistor divider (adjustable version) 4 PG Power Good, open collector. Use 10 k to 100 k pullup resistor connected to output or input voltage ABSOLUTE MAXIMUM RATINGS Ratings Symbol Value Unit Input Voltage (Note 1) V 0.3 to 6 V IN Enable Voltage V 0.3 to 6 V EN Power Good Current I 30 mA PG Power Good Voltage V 0.3 to 6 V PG Output Voltage V 0.3 to V + 0.3 (max. 5.5) V OUT IN Output Short Circuit Duration t Indefinite s SC 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 CHARACTERISTIS 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 AECQ100002 (EIA/JESD22A114) ESD Machine Model tested per AECQ100003 (EIA/JESD22A115) Latch up Current Maximum Rating tested per JEDEC standard: JESD78 THERMAL CHARACTERISTICS Rating Symbol Value Unit Thermal Characteristics, WDFN6/WDFNW6, 2x2 mm R 65 C/W JA Thermal Resistance, JunctiontoAir www.onsemi.com 2