參數(shù)資料
型號: TL7770-5CDWE4
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封裝: GREEN, PLASTIC, SOIC-16
文件頁數(shù): 18/19頁
文件大?。?/td> 603K
代理商: TL7770-5CDWE4
TL7770-5, TL7770-12
DUAL POWER-SUPPLY SUPERVISORS
SLVS019F – OCTOBER 1987 – REVISED JULY 1999
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
VS
10 k
1VSU
1RESIN
GND
1RESET
VCC
1CT
To System Reset
10 k
RT
(see Note B)
CT
System Supply
Reset Input
(from system)
To System Reset
5
1
4
3
2
8
16
NOTE B: When VCC and 1VSU are connected to the same point, it is recommended that series resistance (RT) be added between thetime-delay
programming capacitor (CT) and the voltage-supervisor device terminal (1CT). The suggested RT value is given by:
R
T u
V
I * VIT
*
1
10*3
, where V
I + the lesser of 7.1 V or VS
When this series resistor is used, the td calculation is as follows:
t
d +
1.3
* (6.5E * 5)
10*5
R
T
6.5
10*5
C
T
Figure 4. System Reset Controller With Undervoltage Sensing
相關(guān)PDF資料
PDF描述
TL7770-12CDWE4 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
TL7770-5CNE4 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP16
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