G431 datasheet(1/3 Pages) ETL

Part #	G431

Description	A d j u s t a b l e S h u n t 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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ISSUED DATE :2003/05/15

REVISED DATE :2004/11/10B

G

G 443311

A

A d

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u ss tt aa b

b ll ee S

S h

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Description

The G431 series are three-terminal adjustable regulators with guaranteed thermal stability over applicable temperature ranges.

The output voltage may be set to any value between VREF (approximately 2.495v) and 36v with two external resistors.

It provides very wide applications, including shunt regulator, series regulator, switching regulator, voltage reference and others.

Package Dimensions

Millimeter

REF.

Min.

Max.

REF.

Min.

Max.

A

2.70

3.10

G

1.90 REF.

B

2.40

2.80

H

1.00

1.30

C

1.40

1.60

K

0.10

0.20

D

0.35

0.50

J

0.40

-

E

0

0.10

L

0.85

1.15

F

0.45

0.55

M

0 C

10 C

Absolute Maximum Ratings at Ta = 25 ::::

Parameter

Symbol

Ratings

Unit

Junction Temperature

Tj

+150

Storage Temperature

Tstg

-65 ~ +150

Cathode Voltage

VKA

37

V

Cathode Current Range(Continuous)

IKA

-100~+150

mA

Reference Input Current Range

IREF

-0.05~+10

mA

Total Power Dissipation

PD

225

mW

Characteristics at Ta = 25 ::::

Parameter

Symbol

Min

Typ.

Max.

Unit

Test Conditions

Cathode Voltage

VKA

VREF

-

36

V

Cathode Current

IKA

1

-

100

mA

Reference Input Voltage

G431C

2.445

2.495

2.545

G431B

2.470

2.495

2.520

VKA= VREF,IK=10mA

G431A

VREF

2.483

2.495

2.507

V

Deviation of reference Input Voltage

VKA=VREF,IK=10mA

Over temperature(note)

VREF/ T

-

4.5

17

mV

Tmin Ta Tmax

Ratio of Change in Reference Input

-

-1.0

-2.7

VKA=10V~VREF

Voltage to the Change in Cathode Voltage

VREF/ VKA

-

-0.5

-2.0

mV/V IK=10mA

VKA=36V~10V

Reference Input Current

IREF

-

1.5

4

uA

IK=10mA,R1=10K ,R2=

Deviation of reference Input Current

IK=10mA,R1=10K ,R2=

Over Full Temperature Range

IREF/ T

-

0.4

1.2

uA

TA=Full Temperature

Minimum Cathode Current for Regulation

IKA(min)

-

0.45

1.0

mA

VKA=VREF

Off-State Cathode Current

IKA(off)

-

0.05

1.0

uA

VKA=36V,VREF=0

Dynamic Impedance

‡ZkA

-

0.15

0.5

VKA=VREF,IK=1 to 100mA,F 1.0KHz

Note: Tmin= 0 ,Tmax=+70

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