AP2127K-ADJTRG1

AP2127 300mA HIGH SPEED, EXTREMELY LOW NOISE CMOS LDO REGULATOR Description Pin Assignments The AP2127 Series are positive voltage regulator ICs fabricated by CMOS process. (Top View) (Top View) VIN The AP2127 Series have features of low dropout voltage, low noise, high output voltage accuracy, and low current consumption which make them ideal for use in various battery-powered devices. 3 The AP2127 has 1.0V, 1.2V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 4.2V, and 4.75V fixed voltage versions and 0.8V to 5.5V adjustable voltage versions. 1 2 GND VOUT SOT-23/SOT-23-3 The AP2127 Series are available in SOT-23 (for fixed versions only), SOT-23-3 (for fixed versions only), SOT-23-5, SOT-89 (for fixed versions only) packages. VIN 1 GND 2 Shutdown 3 5 VOUT 4 NC/ADJ SOT-23-5 (Top View) Features      Wide Operating Voltage: 2.5V to 6V High Output Voltage Accuracy: ±2% High Ripple Rejection: 68dB @ f = 1kHz, 54dB @ f = 10kHz Low Standby Current: 0.1μA Low Dropout Voltage: 170mV @ 300mA for VOUT = 3.3V, 140mV @ 300mA for VOUT = 4.75V 2 3 VIN VOUT SOT-89   Low Quiescent Current: 60μA Typical Low Output Noise: 60μVRMS @VOUT = 0.8V    Short Current Limit: 50mA Over Temperature Protection Compatible with Low ESR Ceramic Capacitor: 1μF for CIN and COUT      Excellent Line/Load Regulation Soft Start Time: 50μs Auto Discharge Resistance: RDS(ON) = 60Ω Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. “Green” Device (Note 3) Notes: 1 GND Applications    Datacom Notebook Computers Mother Board 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain