TL431 datasheet(10/12 Pages) MICROSEMI

tên linh kiện	TL431

Giải thích chi tiết về linh kiện	PRECISION PROGRAMMABLE REFERENCES

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P RECISION P ROGRAMMABLE R EFERENCE S

TL431/TL431A/TL431B

PRODUCT DA T ABOOK 1996/1997

Rev. 1.3

9/99

P RODUCTION D ATA S HEET

TYPICAL CHARACTERISTICS

FIGURE 14. — PULSE RESPONSE

(t) Time - (µs)

GND

Output

220

Pulse

Generator

f = 100kHz

Test Circuit for Pulse Response

FIGURE 15. — STABILITY BOUNDARY CONDITIONS

150

BATT

R1=10k

Load Capacitance - (µF)

0.001

0.01

0.1

K = 10mA

A = 25°C

100

A V

KA = VREF

B V

KA = 5V

C V

KA = 10V

D V

KA = 15V

Stable

* The areas under the curves represent conditions that may cause the

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

establish the initial V

KA and IK conditions with CL = 0. VBATT and CL were

then adjusted to determine the ranges of stability.

BATT

150

Test Circuit for Curves B, C, and D

Test Circuit for Curve A

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