TLV431ILPR datasheet(12/38 Pages) TI

12 / 38 page

TLV431, TLV431A, TLV431B

LOW-VOLTAGE ADJUSTABLE PRECISION SHUNT REGULATOR

SLVS139T − JULY 1996 − REVISED JUNE 2007

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

PARAMETER MEASUREMENT INFORMATION†

RATIO OF DELTA REFERENCE VOLTAGE

TO DELTA CATHODE VOLTAGE

JUNCTION TEMPERATURE

(for TLV431 and TLV431A)

− 0.1

− 0.2

− 0.3

− 0.4

− 0.5

− 0.6

− 0.7

− 0.8

− 50

− 25

100

125

150

TJ − Junction Temperature − °C

Figure 9

IK = 10 mA

∆VKA = VREF to 6 V

RATIO OF DELTA REFERENCE VOLTAGE

TO DELTA CATHODE VOLTAGE

JUNCTION TEMPERATURE

(for TLV431B)

−1.0

−0.9

−0.8

−0.7

−0.6

−0.5

−0.4

−0.3

−0.2

−0.1

0.0

−50

−25

100

125

150

IK = 10 mA

∆VKA = VREF to 6 V

Figure 9B

Figure 9A

−1

TJ − Junction Temperature − °C

−0.025

−0.075

−0.1

−0.125

0.025

PERCENTAGE CHANGE IN VREF

OPERATING LIFE AT 55

°C

−0.05

010

IK = 1 mA

Operating Life at 55

°C − kh‡

% Change (3

δ)

% Change (−3

δ)

% Change (avg)

‡ Extrapolated from life-test data taken at 125

°C; the activation energy assumed is 0.7 eV.

Figure 10

† Operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied.

TLV431ILPR 数据表(PDF) 12 Page - Texas Instruments

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