AP7380 WIDE INPUT VOLTAGE RANGE, 150mA ULDO REGULATOR Description Pin Assignments The AP7380 series is a positive voltage regulator IC. (Top View) The AP7380 has features of wide input voltage range, high accuracy, low dropout voltage, current limit and ultra-low quiescent current 3 VOUT which make it ideal for use in various USB and portable devices and instrument application. VIN 2 VIN The IC consists of a voltage reference, an error amplifier, a resistor network for setting output voltage, a current limit circuit for current 1 GND protection, and a chip enable circuit. SOT89 (Option 2) The AP7380 is available in 1.8V, 3.0V, 3.3V, 3.6V, 4.15V, 4.4V and 5.0V fixed output voltage versions. (Top View) The AP7380 is available in space-saving SOT25 and SOT89 (Option 2) packages. Features Wide Input Voltage Range: Up to 24V Low Dropout Voltage: V = 500mV I = 50mA DROP OUT Low Ground Current High Output Voltage Accuracy SOT25 (W5 Package) Compatible with Low ESR Ceramic Capacitor Excellent Line/Load Regulation (Top View) Thermal Shutdown Function Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. Green Device (Note 3) Applications Battery-powered Equipment Laptop, Palmtops, Notebook Computers Portable Information Appliances SOT25 (WR Package) Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See AP7380 Typical Applications Circuit SOT89 (Option 2) Pin Descriptions Pin Number Pin Name Function SOT25 (W5) SOT25 (WR) SOT89 (Option 2) 1 2 2 VIN Input voltage 2 1 1 GND Ground 3 EN Enable input 4 4, 5 NC No connected for fixed version 5 3 3 VOUT Regulated output voltage 2 of 12 AP7380 December 2017 Diodes Incorporated www.diodes.com Document number: DS39196 Rev. 3 - 2 NEW PRODUCT