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参数资料
| 型号： | TLC339QN |
| 厂商： | Texas Instruments, Inc. |
| 元件分类： | 比较器 |
| 英文描述： | DIODE ZENER SINGLE 200mW 24Vz 5.2mA-Izt 0.05 0.1uA-Ir 18 SOT-323 3K/REEL |
| 中文描述： | LinCMOSE微功耗四比较器 |
| 文件页数： | 16/17页 |
| 文件大小： | 258K |
| 代理商： | TLC339QN |
TLC139, TLC339, TLC339Q
LinCMOS
MICROPOWER QUAD COMPARATORS
SLCS119 – DECEMBER 1986 – REVISED JANUARY 1991
16
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL APPLICATION DATA
12 V
Sense
3.3 k
5.1 k
1 k
12 V
12 V
2.5 V
1/4 TLC139/TLC339
1/4
TLC139/TLC339
5.1 k
R1
R2
To
μ
P Interrupt
Early Power Fail
5 V
5 V
10 k
1
μ
F
Ct
(see Note B)
To
μ
P
Reset
VCC
SENSE
RESIN
RESET
REF
CT
GND
TL7705A
NOTES:A. VUNREG =
B. The value of Ct determines the time delay of reset.
2.5
R1
R2
R2
Monitors 5-V Rail
Monitors 12-V Rail
Early Power Fail Warning
VUNREG
(see Note A)
Figure 20. Enhanced Supply Supervisor
12 V
12 V
12 V
5.1 k
100 k
100 k
100 k
22 k
1/4
TLC139/TLC339
1/4 TLC139/TLC339
1/4 TLC139/TLC339
R1
100 k
(see Note B)
R3
100 k
(see Note B)
R3
5 k
(see Note C)
12 V
12 V
5.1 k
5.1 k
Output 1
Output 2
Output 1
Output 2
C1
0.01
μ
F
(see Note A)
NOTES:A. Select C1 for a change in oscillator frequency where:
1/f = 1.85 (100 k
)C1
B. Select R1 and R3 to change duty cycle
C. Select R2 to change deadtime
Figure 21. Two-Phase Nonoverlapping Clock Generator
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