SJ432B datasheet(3/11 Pages) KODENSHI

Part #	SJ432B

Description	Programmable Voltage Reference

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Manufacturer	KODENSHI [KODENSHI_AUK CORP.]

Direct Link	http://www.kodenshi.co.kr

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3 / 11 page

KSD-I0A016-001

3

SEPT. 2010 Rev01

SJ432xx

Absolute maximum ratings

[Ta=25℃]

Characteristic

Symbol

Rating

Unit

Cathode to Anode voltage

VKA

20

V

Cathode current

IK

30

mA

Reference input current

Iref

3

mA

SOT-23(Note1)

350

mW

TO-92M(Note2)

400

mW

SOT-25(Note1)

400

mW

Power Dissipation

TO-92(Note2)

PD

625

mW

Junction Temperature

TJ

150

℃

Operating temperature range

Topr

-40 ~ +85

℃

Storage temperature range

Tstg

-55 ~ +150

℃

Note 1 : Mounted on a glass epoxy PCB board (20 × 20mm).TA=25℃

Note 2 : TA=25℃

Recommended operating conditions

Rating

Characteristic

Symbol

Min.

Max.

Unit

Cathode to Anode voltage

VKA

Vref

18

V

Cathode current

IK

0.1

25

mA

Electrical Characteristics (Ta=25 , unless otherwise noted.)

℃

Characteristic

Symbol

Condition

Min.

Typ.

Max

.

Unit

SJ432Bx

1.234

1.246

Reference voltage (Fig.1)

Vref

VKA=Vref, IK=10mA

SJ432Ax

1.228

1.240

1.252

V

Reference input voltage

deviation over temperature

(Fig.1, Note1,2)

ΔVref

VKA=Vref, IK=10mA

@ -40˚C ≤ Ta ≤ 85˚C

-

10

20

mV

ΔVref

△

Vref=Vref (16V)-Vref

Ratio of delta reference input

voltage to delta cathode

voltage (Fig.2)

ΔVKA

IK=10mA

Vref ≤ VKA ≤ 16V △V

KA=VKA(16V)-Vref

-

-1.0

-2.7

mV/V

Reference current (Fig.2)

Iref

IK=10mA

R1=10K

Ω, R2=∞

-

1.0

1.5

μΑ

Reference input current

deviation over temperature

(Fig.2, Note 1,2)

ΔIref

IK=10mA

R1=10K

Ω, R2=∞

@ -40˚C ≤ Ta ≤ 85˚C

-

0.04

0.08

μΑ

Minimum cathode current

for regulation

IK(MIN)

VKA=Vref

-

55

80

μΑ

Off-state cathode current

(Fig.3)

IK(off)

VKA=16V, Vref=0V

-

5

50

nA

Dynamic impedance

(Fig.1, Note3)

ZKA

VKA=Vref, f ≤ 1.0KHz

0.1mA ≤ IK ≤ 25mA

-

0.25

0.4

Ω

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