TL431CZ datasheet(3/10 Pages) HTC

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PROGRAMMABLE PRECISION SHUNT REGULATOR

TL431Z/AZ/CZ

2009 – Obsolete

- 3 -

HTC

PIN CONFIGURATION

TO-92 PKG

SOT-23 PKG

SOT-89 PKG

PIN DESCRIPTION

TO-92 / SOT-23 / SOT-89

Pin No.

Name

Function

Reference

Reference Voltage

Anode

Ground

Cathode

Input Supply Voltage

TL431Z ELECTRICAL CHARACTERISTICS

(TA=25℃, unless otherwise specified)

CHARACTERISTIC

SYMBOL

TEST CONDITION

MIN.

TYP.

MAX.

UNIT

TL431CZ

2.483

2.495

2.507

TL431AZ

2.47

2.495

2.52

Reference Input Voltage

VREF

VKA =VREF,

IK =10mA

TL431Z

2.44

2.495

2.55

Deviation of

Reference Input Voltage

ΔVREF/ΔT

VKA = VREF, IK =10mA

TA =Full Range

ΔVKA=10V -VREF

-1.4

-2.7

Ratio of Change in Reference

Input Voltage to the Change in

Cathode Voltage

ΔVREF/ΔVKA

IK =10mA

ΔVKA=36V-10V

-1.0

-2.0

mV/V

Reference Input Current

IREF

IKA=10mA, R1=10㏀, R2=∞

1.8

4.0

Deviation of Reference Input

Current

ΔIREF/ΔT

IK =10mA, R1=10㏀, R2=∞

TA =Full Range

0.4

1.2

Minimum Cathode Current

for Regulation

IK(MIN)

VKA= VREF

0.5

Off-State Cathode Current

IKOFF

VKA=42V, VREF=0

0.17

0.9

Dynamic Impedance

ZKA

VKA= VREF, IK =1mA~100mA

f ≤ 1kHz

0.27

0.5

Ω

TOP

1 2 3

Marking

Side

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