GL2146 datasheet(2/4 Pages) ETL

Part #	GL2146

Description	C M O S P o s i t i v e V o l t a g e R e g u l a t o r

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Manufacturer	ETL [E-Tech Electronics LTD]

Direct Link	http://e-tech.com.hk

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2 / 4 page

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ISSUED DATE :2004/11/05

REVISED DATE :

Absolute Maximum Ratings

Parameter

Symbol

Ratings

Unit

Input Max Voltage

VIN

8

V

Output Current

IOUT

1

A

Output Voltage

VOUT

1.3~3.8

V

Supply Voltage

VIN

4.5~5.5

V

Operating Ambient Temperature

Topr

-40 ~ +85

:

Junction Temperature

Tj

-40 ~ +125

Maximum Junction Temperature

Tj Max

150

jc

15

: /W

Thermal Resistance

ja

160

: /W

Power Dissipation( T=100 : )

PD

625

mW

EDS Classification

B

Electrical Characteristics Ta=25

unless otherwise noted

Parameter

Symbol

Condition

Min

TYP

Max

Unit

Output Voltage

VOUT(E)

(Note1)

VIN=VOUT(T)+1V, IO=1mA

-1.5% VOUT(T)

(Note2)

1.5%

V

Output Current

IO

VIN=VOUT(T)+2V, VOUT VOUT(E)*0.96

600

-

mA

Current Limit

ILIM

VO>1.2V

600

800

-

mA

Load Regulation

REGLOAD

VIN=VOUT(T)+2V, IO=1mA to 600mA

-

0.2

1

%

1.3V VOUT(T) 1.4V

-

1900

1.4V<VOUT(T) 2.0V

-

1400

2.0V<VOUT(T) 2.8V

-

800

Dropout Voltage

VDROPOUT

IO=600mA

VO=VOUT(E)-2%

2.8V<VOUT(T)

-

600

mV

Quiescent Current

IQ

VIN= VOUT(T)+1V, IO=0mA

-

30

50

A

1.3V VOUT(T) 1.4V

-0.2

-

0.2

1.4V<VOUT(T) 2.0V

-0.15

-

0.15

2.0V<VOUT(T)<4 `ˆØ -0.1

0.02

0.1

Line Regulation

REGLINE

IO=1mA

VIN=VOUT(T)+1 to

VOUT(T)+2

4.0V VOUT(T)

-0.4

0.2

0.4

%

Input Voltage

VIN

Note3

-

7

V

Over Temperature Shutdown

OTS

-

150

-

:

Over Temperature Hysterisis

OTH

-

30

-

:

Output Voltage

Temperature Coefficient

TC

-

30

-

ppm/ :

Short Circuit Current(Note4)

ISC

VIN=VOUT(T)+1V, VOUT<0.8V

-

300

600

mA

f=100Hz

-

60

-

f=1kHz

-

50

-

Power Supply Rejection

PSRR

Io=100mA

Co=2.2 F

f=10kHz

-

20

-

dB

Output Voltage Noise

eN

f=10Hz~100kHz

Io=10mA,

CBYP=0 F

Co=2.2 F

-

30

-

Vrms

Note 1: VOUT (E) =Effective Output Voltage (i.e. the output voltage when “VOUT (T) + 1.0V” is provided at the VIN pin while maintaining a

certain IOUT value).

2: VOUT (T) =Specified Output Voltage

3: VIN (MIN) =VOUT+VDROPOUT

4: To prevent the Short Circuit Current protection feature from being prematurely activated, the input voltage must be applied before

a current source load is applied.

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