TLV431A, TLV431B, TLV431C, SCV431B, NCV431

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6

Characteristic

Symbol

SCV431B, NCV431B

Unit

Min

Typ

Max

Reference Voltage (Figure 3)

1.234

1.228

1.224

1.240

−

−

1.246

1.252

1.252

V

Reference Input Voltage Deviation Over Temperature (Figure 3)

−

−

7.2

7.2

20

24

mV

Ration of Reference Input Voltage Change to Cathode Voltage Change (Figure 4)

DV

ref

DV

KA

−

−0.6

−1.5

mV

V

Reference Terminal Current (Figure 4)

−

0.15

0.3

mA

Reference Input Current Deviation Over Temperature (Figure 4)

−

−

0.04

−

0.08

0.10

mA

Minimum Cathode Current for Regulation (Figure 3)

−

30

80

mA

Off−State Cathode Current (Figure 5)

−

−

0.01

0.012

0.04

0.05

mA

Dynamic Impedance (Figure 3)

−

0.25

0.4

W

12. Guaranteed but not tested.

13. The deviation parameters

full operating ambient temperature range that applied.

Ambient Temperature

The average temperature coefficient of the reference input voltage,

αV

ref

ppm

°C +

(

DV

ref

)

V

ref

(T

A +

25

°C)

DT

A

Example:

Example:

αV

ref

ppm

°C +

0.0072

1.241

125

+ 46 ppm °C

⏐Z

KA⏐ +

DV

KA

DI

K

When the device is operating with two external resistors, R1 and R2, (refer to Figure 4) the total dynamic impedance of the circuit is given by:

⏐ZKA′⏐ + ⏐ZKA⏐

1

) R1

R2

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.