TL431 datasheet(8/23 Pages) NXP

Part #	TL431

Description	Adjustable precision shunt regulator

PDF	23 Pages

Scroll/Zoom	100%

Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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8 / 23 page

TL431_FAM_2

Product data sheet

Rev. 02 — 20 January 2010

8 of 23

NXP Semiconductors

TL431 family

Adjustable precision shunt regulator

ΔI

ref

reference current variation

IK =10mA;

R1 = 10 k

Ω; R2 = open

TL431BCDBZR

Tamb =0 °Cto 70 °C-

0.4

1.2

μA

TL431BIDBZR

Tamb = −40 °Cto85 °C-

0.8

2.5

μA

TL431BQDBZR

TL431BSDT

TL431BMSDT

Tamb = −40 °C to 125 °C

IK(min)

minimum cathode current

VKA =Vref

TL431BCDBZR

Tamb =0 °Cto 70 °C-

0.4

0.6

TL431BIDBZR

Tamb = −40 °Cto85 °C-

0.4

0.7

TL431BQDBZR

TL431BSDT

TL431BMSDT

Tamb = −40 °C to 125 °C

Ioff

off-state current

VKA =36 V; Vref =0

0.1

0.5

μA

ZKA

dynamic cathode-anode

impedance

IK =1mA to 100mA;

VKA =Vref; f < 1 kHz

-0.2

0.5

Table 10.

Characteristics …continued

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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