TL431/TL431A/TL431B

PRODUCT DA T ABOOK 1996/1997

Copyright © 1999

Rev. 1.3

9/99

10

TYPICAL CHARACTERISTICS

FIGURE 14. — PULSE RESPONSE

05

0

(t) Time - (µs)

6

2

1

2

2

13

4

4

1

0

3

3

5

6

GND

Output

220

W

50

W

Pulse

Generator

f = 100kHz

Test Circuit for Pulse Response

FIGURE 15. — STABILITY BOUNDARY CONDITIONS

C

L

150

W

I

K

V

BATT

R1=10k

W

R2

0

40

(C

Load Capacitance - (µF)

20

50

10

60

70

30

0.001

0.01

0.1

1

10

80

I

T

90

100

A V

B V

C V

D V

Stable

C*

D*

A*

B*

Stable

device to oscillate. For curves B, C, and D, R2 and V+ were adjusted to

establish the initial V

then adjusted to determine the ranges of stability.

C

L

I

K

V

BATT

150

W

Test Circuit for Curves B, C, and D

Test Circuit for Curve A