AMS1117-1.2 datasheet(4/9 Pages) AMS

Part #	AMS1117-1.2

Description	1A Adjustable/Fixed Low Dropout Linear Regulator

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Manufacturer	AMS [Advanced Monolithic Systems Ltd]

Direct Link	http://www.ams-semitech.com

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4 / 9 page

1A Adjustable/Fixed Low Dropout Linear Regulator

Typicals and limits appearing in normal type apply for TJ=25℃.Limits appearing in Boldface type apply over the entire junction temperature for

operation, -20℃ to 125℃.

Electrical Characteristic

(Continued)

Symbol

Parameter

Conditions

Min

(Note 2)

Typ

(Note 1)

Max

(Note 2)

Units

△

VOUT

Line Regultion

(

Note 3)

IOUT=10mA ,(VOUT+1.5V)<=VIN<=12V

0.035

0.2

%

Load Regultion

(

Note 3)

VIN-VOUT=2V,10mA<= IOUT<=1A,

0.2

0.7

%

AMS1117-1.2

VIN-VOUT=2V,10mA<= IOUT<=1A,

0.2

1

%

VIN-VOUT

Dropout Volage

IOUT=1A,△VREF=1%

1.100

1.250

V

ILimit

Current Limit

VIN-VOUT= 2V, T

J

=25℃

1.1

1.5

A

Minimum Load

Current (Note 4)

AMS1117-ADJ

1.5V<=(VIN-VOUT)<=10V

10

mA

Quiescent Curent

VIN=VOUT+1.25V

5

13

mA

Thermal

Regulation

TA = 25°C, 30ms pulse

0.01

0.1

%/

W

Ripple

Rejection

f=120Hz,VIN-VOUT=3V, VRipple=1VPP

60

72

dB

Adjust Pin Current

50

120

µA

Adjust Pin Current

Change

1.5V<=VIN-VOUT<=7V, 10mA<=IOUT<=1A

0.2

5

µA

Temperature

Stability

0.5

%

Long Term

Stability

T

A

= 125°C, 1000hrs.

0.3

%

AMS1117

Advanced Monolithic Systems http://www.ams-semitech.com

4

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