SL431ASF データシートの表示（PDF） - AUK -> KODENSHI CORP

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SL431ASF

Programmable Voltage Reference

AUK -> KODENSHI CORP 

Absolute maximum ratings

(Operating ambient temperature range applies unless other specified)

Parameter

Symbol

Ratings

Cathode to Anode voltage

VKA

37

Cathode current range

Reference input current range

Power dissipation

IKA

-100 ~+150

Iref

-0.05~+10

PD*

300

Operating temperature range

Topr

-40~+85

Storage temperature range

Tstg

-65~+150

* With PCB(8×8mm copper area) at glass epoxy board(t=1.7mm, area : 20×20mm)

SL431xSF

Unit

V

mA

mA

mW

°C

°C

Recommended operating conditions

Parameter

Symbol

Cathode to Anode voltage

VKA

Cathode current range

IKA

Ratings

Min.

Max.

Vref

36

1.0

100

Unit

V

mA

Electrical Characteristics

(Ambient temperature at 25°C, unless otherwise noted.)

Parameter

Symbol

Reference input voltage

(Fig. 1, Note 1)

Vref

Deviation of reference input voltage

Over temperature(Fig. 1, Note 1,2)

Ratio of change in reference input

Voltage to the change in cathode

Voltage(Fig. 2)

∆Vref

∆Vref

∆VKA

Reference input current(Fig. 2)

Deviation of reference input current

over temperature(Fig. 2)

Minimum cathode current for

Regulation(Fig. 1)

Off-state cathode current(Fig. 3)

Iref

∆Iref

IMIN

IOFF

Dynamic impedance(Fig. 1, Note 3)

ZKA

Condition

VKA=Vref,

IKA=10mA

SL431BSF

SL431ASF

VKA=Vref , IKA=10mA

@Ta=TLOW to THIGH

IKA=10mA

∆VKA=10V-Vref

∆VKA=36V-10V

IKA=10mA

R1=10KΩ, R2=∞

IKA=10mA

R1=10KΩ, R2=∞

VKA=Vref

VKA=36V, Vref=0V

VKA=Vref, f≤1.0KHz

IKA=1.0mA-100mA

Min. Typ. Max.

2.482 2.495 2.508

2.470

2.520

-

7.0

30

Unit

V

mV

-

1.2 2.7 mV/V

-

0.7 2.0

-

1.8

4.0

µA

-

0.4

2.5

µA

-

0.35 1.0 mA

-

2.7 1000 nA

-

0.14 0.5

Ω

Fig. 1

Fig. 2

Fig. 3

<Note 1> : TLOW=-40°C, THIGH=+85°C , <Note 2> : ∆Vref= Vref Max. - Vref Min. , <Note 3> : ZKA= ∆VKA/ ∆IKA

KSI-2057-000

2

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