AZ1085S2-3.3TRE1 datasheet(7/17 Pages) BCDSEMI

Part #	AZ1085S2-3.3TRE1

Description	3A LOW DROPOUT LINEAR REGULATOR

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Manufacturer	BCDSEMI [BCD Semiconductor Manufacturing Limited]

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3A LOW DROPOUT LINEAR REGULATOR

AZ1085

Data Sheet

7

Mar. 2007 Rev. 1. 3

BCD Semiconductor Manufacturing Limited

Electrical Characteristics (Continued)

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Line Regulation

∆V

OUT

AZ1085-5.0,

IOUT=10mA,

6.5V

≤V

IN≤10V

0.5

1

10

mV

Load Regulation

∆V

OUT

AZ1085-ADJ,

0mA

≤I

OUT≤3A,

VIN-VOUT=3V

0.1

0.2

0.3

0.4

%

AZ1085-1.5,

0mA

≤I

OUT≤3A,

VIN-VOUT=3V

3

7

15

20

mV

AZ1085-1.8,

0mA

≤I

OUT≤3A,

VIN-VOUT=3V

3

7

15

20

mV

AZ1085-2.5,

0mA

≤I

OUT≤3A,

VIN-VOUT=3V

3

7

15

20

mV

AZ1085-2.85,

0mA

≤I

OUT≤3A,

VIN-VOUT=3V

3

7

15

20

mV

AZ1085-3.3,

0mA

≤I

OUT≤3A,

VIN-VOUT=3V

3

7

15

20

mV

AZ1085-5.0,

0mA

≤ I

OUT≤3A,

VIN-VOUT=3V

5

10

20

35

mV

Dropout Voltage

VDROP

IOUT=3A, ∆VREF, ∆VOUT=1%

1.3

1.5

V

Current Limit

ILIMIT

VIN-VOUT=3V

3.2

4.5

A

Minimum Load Current

ILOAD

(MIN)

VIN=10V (AZ1085-ADJ)

3

10

mA

Quiescent Current

IQ

VIN=10V (AZ1085)

5

10

mA

Ripple Rejection

PSRR

fRIPPLE=120Hz, COUT=25µF, IOUT=3A,

VIN-VOUT = 3V

60

72

dB

Adjust Pin Current

IADJ

VIN = 4.25V, IOUT = 10mA

55

120

µA

Adjust Pin Current

Change

∆I

ADJ

10mA

≤ I

OUT ≤ 3A,

1.5V

≤ V

IN -VOUT ≤ 6V

0.2

5

µA

Long Term Stability

TA = 125

oC, 1000Hrs

0.5

%

Temperature Stability

IOUT=10mA, VIN-VOUT=1.5V

0.5

%

RMS Noise

(% of VOUT)

TA=25

oC, 10Hz

≤f≤10kHz

0.003

%

Typicals and limits appearing in normal type apply for TJ=25

oC. Limits appearing in Boldface type apply over

the entire operating junction temperature range 0 to 125oC.

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