TLV431Q datasheet(3/13 Pages) DIODES

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TLV431Q

Document number: DS36915 Rev. 1 - 2

3 of 13

www.diodes.com

February 2014

TLV431Q

A Product Line of

Diodes Incorporated

Symbol

Parameter

Conditions

Min

Typ

Max

Units

VREF

Reference Voltage

VKA = VREF,

TA = +25°C

TLV431AQ

1.228

1.24

1.252

TLV431BQ

1.234

1.24

1.246

TLV431TQ

1.2375

1.24

1.2425

VKA = VREF,

TA = 0 to +70°C

TLV431AQ

1.221

—

1.259

TLV431BQ

1.227

—

1.253

TLV431TQ

1.230

—

1.250

VKA = VREF,

TA = -40 to +85°C

TLV431AQ

1.215

—

1.265

TLV431BQ

1.224

—

1.259

TLV431TQ

1.228

—

1.252

VKA = VREF,

TA = -40 to +125°C

TLV431AQ

1.209

—

1.271

TLV431BQ

1.221

—

1.265

TLV431TQ

1.224

—

1.255

VREF(dev)

Deviation of reference

voltage over full

temperature range

VKA = VREF

TA = 0 to +70°C

—

TA = -40 to +85°C

—

TA = -40 to +125°C

—

∆VREF

∆VKA

Ratio of change in

reference voltage to the

change in cathode

voltage

VKA for VREF to

—

-1.5

-2.7

mV/V

18V

—

-1.5

-2.7

IREF

Reference Input Current

R1 = 10kΩ, R2 = OC

—

0.15

0.5

µA

IREF(dev)

IREF deviation over full

temperature range

R1 = 10kΩ,

R2 = OC

TA = 0 to +70°C

—

0.05

0.3

µA

TA = -40 to +85°C

—

0.1

0.4

TA = -40 to +125°C

—

0.15

0.5

IKMIN

Minimum cathode

current for regulation

VKA = VREF

TA = 0 to +70°C

—

µA

TA = -40 to +85°C

—

TA = -40 to +125°C

—

100

IK(OFF)

Off state current

VKA = 18V, VREF = 0V

—

0.001

0.1

µA

ZKA

Dynamic output

impedance

VKA = VREF, f = <1kHz

IK = 0.1 to 15Ma

—

0.25

0.4

Ω

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