Diodes Menu Close
Contact Sales

Log in or register to manage email notifications about changes to datasheets or PCNs for this part.


The AZ2185 series is low dropout positive voltage regulators with a maximum dropout of 1.5V at 3A of load current.

The device features low quiescent current, low adj. current and improved load transient performance. This device built in band-gap reference circuit, on-chip thermal shutdown and current limit function

The AZ2185 is available in adjustable version. The adjustable version can set the output voltage with two external resistors.

The AZ2185 series is available in the TO252 (Standard) package.


  • 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


  • Low Dropout Voltage: Typical 1.3V at 3A
  • Current Limiting and Thermal Protection
  • Output Current: 3A
  • Current Limit: 4.5A
  • Operating Junction Temperature: 0 to +125°C
  • Line Regulation: 0.015%/V (Typ)
  • Load Regulation: 0.1%/A (Typ)
  • Adjust Pin Current: 6μA (Typ)
  • Minimum Load Current: 0.3mA (Typ)
  • Compatible with Low ESR Ceramic Capacitor

Product Specifications

Product Parameters

Features Low IQ, Wide Vin
VIN (Max) 12 V
VIN (Min) 2.75 V
VOUT ADJ(1.25) V
IQ 300 µA
PSRR 50 dB
VDROPOUT (Max) 1.5 V
Operating Temperature (Ambient) -40 to 85
Enable Active No
Channels 1

Related Content

TO252 (Standard)


Technical Documents

Recommended Soldering Techniques


Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Region
AZ2185D-ADJTRG1 Mouser Electronics Inc. 2389 8/3/2020 Buy Now United States
AZ2185D-ADJTRG1 Digi-Key Electronics 4908 8/2/2020 Buy Now United States


Related Application FAQs