LM431SAIMFX Ver la hoja de datos (PDF) - ON Semiconductor

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LM431SAIMFX

Programmable Shunt Regulator

ON Semiconductor 

LM431SA, LM431SB, LM431SC

ELECTRICAL CHARACTERISTICS (Note 6, Values are at TA = 25°C unless otherwise noted)

LM431SA

LM431SB

LM431SC

Symbol

Parameter

Conditions

Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit

VREF

Reference Input

Voltage

VKA = VREF, IKA = 10 mA

2.450 2.500 2.550 2.470 2.495 2.520 2.482 2.495 2.508 V

DVREF / DT

Deviation of Refer-

ence Input Voltage

Over− Tempera-

ture

VKA = VREF,

IKA = 10 mA

TMIN ≤ TA ≤ TMAX

SOT−89

SOT−23FL

SOT−23

DVREF /

DVKA

Ratio of Change in

Reference Input

Voltage to the

IKA =10 mA

Change in Cath-

ode Voltage

DVKA =

10 V−VREF

DVKA =

36 V − 10 V

4.5 17.0

6.6 24

−1.0 −2.7

−0.5 −2.0

4.5 17.0

6.6 24

−1.0 −2.7

−0.5 −2.0

4.5 17.0 mV

6.6 24 mV

−1.0 −2.7

mV/V

−0.5 −2.0

IREF

Reference Input

Current

IKA = 10 mA, R1 = 10 KW, R2 = ∞

1.5 4.0

1.5 4.0

1.5 4.0 μA

DIREF / DT

Deviation of Refer- IKA = 10 mA,

ence Input Current R1 = 10 KW,

Over Full Temper- R2 = ∞,

ature Range

TA = Full Range

SOT−89

SOT−23FL

SOT−23

IKA(MIN)

Minimum Cathode

Current for Regu- VKA = VREF

lation

0.4 1.2

0.8 2.0

0.45 1.00

0.4 1.2

0.8 2.0

0.45 1.00

0.4 1.2 μA

0.8 2.0 μA

0.45 1.00 mA

IKA(OFF)

Off −Stage Cath-

ode Current

VKA = 36 V, VREF = 0

0.05 1.00

0.05 1.00

0.05 1.00 μA

ZKA

Dynamic Imped-

VKA = VREF, IKA = 1 to 100 mA,

f ≥ 1.0 kHz

ance

0.15 0.50

0.15 0.50

0.15 0.50 W

Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product

performance may not be indicated by the Electrical Characteristics if operated under different conditions.

6. LM431SAI, LM431SBI, LM431SCI: − TA(min) = −40_C, TA(max) = +85_C

All other pins: − TA(min) = −25_C, TA(max) = +85_C

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