WSL431 datasheet(3/7 Pages) WINSON

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WSL431

Winson reserves the right to make changes to improve reliability or manufacturability.

©Winson, Jan. 2000 (Rev. C)

Absolute Maximum Ratings

Symbol

Parameter

Rating

Unit

VKA

Cathode voltage

Continuous cathode current range

150

Iref

Reference current range

Ambient temperature range

0 to 85

˚C

Junction temperature range

0 to 125

˚C

TSTG

Storage Temperature Range

-65 to 150

˚C

TSO

Lead temperature range, Ts (Soldering,

10sec)

260

˚C

Electrical Characteristics

TA= 25˚C (unless otherwise noted)

WSL431

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

WSL431B

2.4925 2.505 2.5175

WSL431C

2.480

2.505 2.530

Vref

VKA=Vref, IK=10mA.

WSL431D 2.455

2.505 2.555

Unit

ΔVref/T

Reference Voltage Drift over

Temp. range

TA=0 to 85°C*1 , I k =10mA.

ΔVref/ΔVKA Voltage Ration

(open loop gain)

IK=10 mA, VKA=Vref to 20V*2

- 4

- 1.6

mV/

Iref

Reference Current

IK=10mA,

R1=10KΩ, R2=open*2

0.4

3.5

µA

ΔIref/T

Reference Current Drift

IK=10 mA,

R1=10KΩ, R2=open, TA=0 to

85°C*2

0.4

1.2

µA

IK(min)

Min. Cathode Current

VKA=Vref*1

0.15

0.4

IK(off)

Off-state Cathode Current

VKA=20V, Vref=0V*3

0.1

µA

zKA

Dynamic Impedance

VKA=Vref, IK=1 mA to 100mA,

f=1k Hz*1

-0.4

-0.1

Notes:

: use Figure 1

: use Figure 2

: use Figure 3

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