Diodes Incorporated

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AZ2085 (Obsolete)

High current, Wide Vin, 3 Amp LDO

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The AZ2085 series is low dropout positive voltage regulators with a maximum dropout of 1.5V at 3A of load current.
The device features on-chip thermal shutdown. It also includes a bandgap reference and a current limiting circuit.
The AZ2085 is available in adjustable version. The adjustable version can set the output voltage with two external resistors.
The AZ2085 series is available in standard packages of TO252-2 (3) and TO252-2 (5).


  • Low Dropout Voltage: Typical 1.2V 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% (Typ)
  • Load Regulation: 0.1% (Typ)
  • Adjust Pin Current: 6μA (Typ)
  • Minimum Load Current: 0.3mA (Typ)
  • Compatible with Low ESR Ceramic Capacitor
  • Totally Lead-Free & Fully RoHS Compliant 
  • Halogen and Antimony Free. “Green” Device 


  • 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

Product Specifications

Product Parameters

Accuracy 25C 1%
Adj. Vout (V) 1.25 to 10
Adjust VFB 1.25
Adj. Vout 1.25,10
Adjustable VFB (V) 1.25
Automotive Compliant and PPAP capable no
Compliance (Only Automotive supports PPAP) No
Channels 1
Compliance (Only Automotive supports PPAP) Standard
Dropout Voltage Max (V) 1.2
Features High current,Wide Vin
Iout (A) 3
IQ (mA) N/A
Iq (max) (µA) 1000
Iq (max) (µA) 1000
Iq (max) (µA) 1000
Iq (typ) (µA) 300
Iq (typ) (µA) 300
Noise uV RMS 10-100 kHz 150
OperatingInputVoltage Max (V) 12
OperatingInputVoltage Min (V) N/A
Operating Temperature (ºC) N/A
Operating Temperature (Ambient) (°C) -40 to 85
Operating Temperature 0 to 125
Output Current (mA) 3
Output Discharge no
Output options Adjustable
Output Voltage (V) N/A
PSRR (dB) 1K Hz 72
PSRR (dB) 1kHz 72
AEC Qualified No
Quiescent Current Typ (mA) N/A
VCTL Function no
VDROPOUT (Max) 1.2
VDROPOUT (Max) (V) at Max Current and Max Ouput Voltage 1.5
VDROPOUT (Max) (V) at Max Current and Max Voltage 1.2
VDROPOUT (Max)(V) at Max Current and Max Voltage 1.2
VIN (Max) 12
Vin (Max) (V) 12
VIN (Min) N/A
Vin (Min) (V) 1.5
Vout (max) 12
Vout (min) 1.25

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