TLC139MFKB datasheet(16/30 Pages) TI

16 / 30 page

TLC139, TLC339, TLC339Q

LinCMOS MICROPOWER QUAD COMPARATORS

WWW.TI.COM

TYPICAL APPLICATION DATA

12 V

Sense

3.3 k

Ω

5.1 k

Ω

1 k

Ω

12 V

2.5 V

1/4 TLC139/TLC339

1/4

TLC139/TLC339

5.1 k

Ω

µP Interrupt

Early Power Fail

5 V

10 k

Ω

µFCt

(see Note B)

µP

Reset

VCC

SENSE

RESIN

RESET

REF

GND

TL7705A

NOTES:A. VUNREG =

B. The value of Ct determines the time delay of reset.

2.5 R1 ) R2

Monitors 5-V Rail

Monitors 12-V Rail

Early Power Fail Warning

VUNREG

(see Note A)

Figure 20. Enhanced Supply Supervisor

12 V

5.1 k

Ω

100 k

Ω

100 k

Ω

100 k

Ω

22 k

Ω

1/4

TLC139/TLC339

1/4 TLC139/TLC339

100 k

Ω

(see Note B)

100 k

Ω

(see Note B)

5 k

Ω

(see Note C)

12 V

5.1 k

Ω

5.1 k

Ω

Output 1

Output 2

Output 1

Output 2

0.01

µF

(see Note A)

NOTES: A. Select C1 for a change in oscillator frequency where:

1/f = 1.85 (100 k

Ω)C1

B. Select R1 and R3 to change duty cycle

C. Select R2 to change deadtime

Figure 21. Two-Phase Nonoverlapping Clock Generator

TLC139MFKB 数据表(PDF) 16 Page - Texas Instruments

TLC139MFKB 数据表(HTML) 16 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

数据表下载

链接网址

TLC139MFKB 数据表(PDF) 16 Page - Texas Instruments

TLC139MFKB 数据表(HTML) 16 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

数据表 下载

链接网址

数据表下载