GJ2137-30 datasheet(2/5 Pages) ETL

Part #	GJ2137-30

Description	7 5 0 m A C M O S L o w D r o p o u t Vo 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 / 5 page

GJ2137

Page: 2/5

ISSUED DATE :2006/05/16

REVISED DATE :

Absolute Maximum Ratings

Parameter

Symbol

Ratings

Unit

Input Max Voltage

VIN

8

V

Output Current

IOUT

1

A

Output Voltage

VOUT

1.5~3.8

V

Operating Ambient Temperature

Topr

-40 ~ +85

:

Junction Temperature

Tj

-40 ~ +125

:

Maximum Junction Temperature

Tj Max

150

:

Thermal Resistance

jc

60

/W

:

Internal Power Dissipation ( T=100 : )

PD

3

W

EDS Classification

B

Electrical Characteristics VIN=VOUT(T)+2V, Ta=25 : unless otherwise noted

Parameter

Symbol

Condition

Min

TYP

Max

Unit

Output Voltage

VOUT(E)

(Note1)

IO

=1mA

-1.5% VOUT(T)

(Note2)

1.5%

V

Output Current

IO

VO>1.2V

750

-

mA

Current Limit

ILIM

VO>1.2V

750

850

-

mA

Load Regulation

REGLOAD

VIN=VOUT(T)+2V, IO=1mA to 750mA

-1

0.2

1

%

1.4V<VOUT(T) 2.0V

-

1400

2.0V<VOUT(T) 2.8V

-

800

Dropout Voltage

VDROPOUT

IO

=750mA

VO=VOUT(E)-2%

2.8V<VOUT(T)

-

600

mV

Quiescent Current

IQ

VIN= VOUT(T)+2V, IO=0mA

-

30

50

A

Ground Pin Current

IGND

VIN= VOUT(T)+2V, IO=1mA~750mA

-

35

-

A

1.4V<VOUT(T) 2.0V

-0.15

-

0.15

Line Regulation

REGLINE

IO

=1mA

VIN=VOUT(T)+1 to

VOUT(T)+2

2.0V<VOUT(T)<4.0V

-0.1

0.02

0.1

%

Input Voltage

VIN

Note3

-

7

V

Over Temperature Shutdown

OTS

-

150

-

:

Over Temperature Hysterisis

OTH

-

30

-

:

Vo Temperature Coefficient

TC

-

30

-

ppm/ :

Short Circuit Current

ISC

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

-

300

600

mA

f=1kHz

-

50

-

f=10kHz

-

20

-

Power Supply Rejection

PSRR

I

o=100mA

Co=2.2 F

f=100kHz

-

10

-

dB

Output Voltage Noise

eN

f=10Hz~100kHz, Io=10mA, Co=2.2 F

-

30

-

Vrms

Note 1: VOUT (E) =Effective Output Voltage (i.e. the output voltage when “VOUT (T) + 2.0V” is provided at the VIN pin while maintaining a

certain IOUT value).

2: VOUT (T) =Specified Output Voltage

3: VIN (MIN) =VOUT+VDROPOUT

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