AZ2185D-ADJTRG1 Diodes Incorporated

AZ2185 3A LOW DROPOUT LINEAR REGULATOR Description Features The AZ2185 series is low dropout positive voltage regulators with a maximum dropout of 1.5V at 3A of load current. (Top View) The device features low quiescent current, low adjustable current and INPUT 3 improved load transient performance. This device built in band-gap reference circuit, on-chip thermal shutdown and current limit function. 2 OUTPUT 1 ADJ/GND The AZ2185 is available in adjustable version. The adjustable version can set the output voltage with two external resistors. TO252 (Standard) The AZ2185 series is available in standard packages of TO252 (Standard). Applications High Efficiency Linear Regulators Features Battery Charger Low Dropout Voltage: Typical 1.3V at 3A Digital Video/Camcorder Current Limiting and Thermal Protection Post Regulation for Switching Supplies Output Current: 3A Microprocessor Supply Current Limit: 4.5A Mother Board Power Supplies Operating Junction Temperature: -40 to +125C DVD-video Player Line Regulation: 0.015%/V (Typ) Telecom Equipment Load Regulation: 0.1%/A (Typ) Set Top Boxes and Web Boxes Modules Supply Adjust Pin Current: 6A (Typ) Minimum Load Current: 0.3mA (Typ) Compatible with Low ESR Ceramic Capacitor Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. Green Device (Note 3) Applications High Efficiency Linear Regulators Battery Charger Digital Video/Camcorder Post Regulation for Switching Supplies Microprocessor Supply Mother Board Power Supplies DVD-video Player Telecom Equipment Set Top Boxes and Web Boxes Modules Supply Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant. 2. See AZ2185 Typical Applications Circuit (Note 4) AZ2185 V V IN OUT 3 2 INPUT OUTPUT ADJ/GND R1 1 C =10F C =22F IN OUT R2 V = V * (1+R2/R1 ) + I * R2 OUT REF ADJ Note 4: The AZ2185 is compatible with low ESR ceramic capacitor. The ESR of the output capacitors must be less than 0.4. A minimum of 10F output capacitor is required. Pin Descriptions Pin Number Pin Name Function 1 ADJ/GND Adjust pin/Ground 2 OUTPUT Output voltage 3 INPUT Input voltage Functional Block Diagram 3 INPUT Thermal - Protection + 2 OUTPUT A1 A2 For Adjustable Output, disconnect A1 and A2, connect B 1 ADJ/ GND B 2 of 9 AZ2185 September 2017 Diodes Incorporated www.diodes.com Document number: DS39846 Rev. 2 - 2 NEW PRODUCT