Description

The AZ1085C is a series of low dropout positive voltage regulators with a maximum dropout of 1.5V at 3A of load current. The series features on-chip thermal shutdown. It also includes a bandgap reference and a current limiting circuit. The AZ1085C is available in 1.5V, 1.8V, 2.5V, 3.3V, 5.0V and adjustable versions. The fixed versions integrate the adjust resistors. The adjustable version can set the output voltage with two external resistors.

Feature(s)

· 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 125oC · Compatible with Low ESR Ceramic Capacitor · Line Regulation: 0.015% (Typ) · Load Regulation: 0.1% (Typ)

Application(s)

· LCD TV · Set Top Box · LCD Monitor · SMPS Post Regulator · Laptop, Palmtop and Notebook · Portable Instrumentation · USB Power Supply

Specifications & Technical Documents

Product Parameters

Accuracy 25C	1%
Channels	1
Features	High current
Fixed Vout (V)	12.0, 5.0, 3.3
I_OUT	1.5
Iout (A)	1.5
I_{Q (mA)}	N/A
Noise uV RMS 10-100 kHz	400
OperatingInputVoltage Max (V)	13.2
OperatingInputVoltage Min (V)	2.5
Output Current (A)	1.5
Output Discharge	no
Output options	Fixed
Output Voltage (V)	12, 5, 3.3
PSRR	65
PSRR (dB) 1kHz	65
AEC Qualified	No
Quiescent Current Typ (μA)	N/A
Reverse Protection	reverse current
Vin (Max) (V)	13.2
Vin (Min) (V)	2.5
V_OUT	12, 5, 3.3

Technical Documents

Recommended Soldering Techniques

TN1.pdf

RoHS CofC

RoHSFile

Purchase & Availability

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Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN #	Issue Date	Implementation Date	Subject
PCN-2770	2025-10-30	2025-10-30	Add Fab Site Code, Country of Diffusion (COD) and Assembly Site Origin (ASO) on Product and Shipping Labels for all Diodes Products

AZ39150 (Obsolete)