AP7370 WIDE INPUT VOLTAGE RANGE, 300mA ULDO REGULATOR Pin Assignments Description The AP7370 series is a positive voltage regulator IC. (Top View) (Top View) The AP7370 has features of wide input voltage range, high accuracy, V IN GND 1 5 VOUT 1 5 NC low dropout voltage, current limit, reverse current protection, and ultra-low quiescent current which make it ideal for use in various USB VIN GND 2 2 and portable devices and instrument application. The IC consists of a voltage reference, an error amplifier, a resistor NC 3 4 NC VOUT 3 4 NC network for setting output voltage, a current limit circuit for current protection, and a chip enable circuit. SOT25 (W5) SOT25 (WR) The AP7370 is available in 1.2V, 1.5V, 1.8V, 2.8V, 3.0V, 3.3V, 3.6V (Top View) (Top View) and 5.0V fixed output voltage versions. VIN 1 5 NC 3 VIN The AP7370 is available in space-saving SOT23, SOT25, SOT89 and U-DFN2020-6 (Type C) packages. GND 2 GND 2 GND Features VOUT 3 4 NC VOUT 1 Wide Input Voltage Range: Up to 18V Low Dropout Voltage: V = 500mV I = 100mA DROP OUT SOT25 (WW) SOT89 Low Ground Current High Output Voltage Accuracy (Top View) (Top View) Compatible with Low ESR Ceramic Capacitor VIN Excellent Line/Load Regulation 3 Thermal Shutdown Function VOUT 6 VIN Short Current Protection 1 Reverse Current Protection NC 2 5 NC Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) GND NC 3 4 Halogen and Antimony Free. Green Device (Note 3) 1 2 GND VOUT Applications U-DFN2020-6 (Type C) SOT23 Battery-Powered Equipment Laptop, Palmtops, Notebook Computers Portable Information Appliances Metering Weighing Scales Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See AP7370 Pin Descriptions Pin Number Pin Name Function SOT25 SOT25 SOT25 U-DFN2020-6 SOT89 SOT23 (W5) (WR) (WW) (Type C) 1 2 1 3 3 6 VIN Input voltage 2 1 2 2 1 3 GND Ground 3, 4 4, 5 4, 5 2, 4, 5 NC Not connected for fixed version 5 3 3 1 2 1 VOUT Regulated output voltage EP GND Ground Absolute Maximum Ratings Symbol Parameter Rating Unit V Supply Input Voltage 20 V IN I Output Current 500 mA OUT T Lead Temperature (Soldering, 10s) +260 C LEAD TJ Operating Junction Temperature +150 C SOT23 205 SOT25 155 Thermal Resistance (Junction to Ambient) C/W JA SOT89 126 U-DFN2020-6 (Type C) 54 SOT23 37 SOT25 23 Thermal Resistance (Junction to Case) C/W JC SOT89 26 U-DFN2020-6 (Type C) 9.5 T Storage Temperature Range -65 to +150 C STG ESD (Change Device Model)) 1500 V ESD (Human Body Model) 6000 V Recommended Operating Conditions Symbol Parameter Min Max Unit V Supply Input Voltage 3.2 18 V IN T Operating Junction Temperature -40 +125 C J 2 of 17 AP7370 March 2019 Diodes Incorporated www.diodes.com Document number: DS41820 Rev. 1 - 2 NEW PRODUCT