參數(shù)資料
型號: SG3543N
廠商: MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP
元件分類: 電源管理
英文描述: POWER SUPPLY OUTPUT SUPERVISORY CIRCUIT
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP16
封裝: ROHS COMPLIANT, PLASTIC, DIP-16
文件頁數(shù): 5/6頁
文件大小: 118K
代理商: SG3543N
SG1543/SG2543/SG3543
11/91 Rev 1.1 2/94
Copyright
1994
L
IN
F
IN
ITY
Microelectronics Inc.
11861 Western Avenue
Garden Grove, CA 92841
(714) 898-8121
FAX: (714) 893-2570
5
FIGURE 10 - SENSING MULTIPLE SUPPLY VOLTAGES
FIGURE 11 - OVERCURRENT SHUTDOWN
FIGURE 9 - TYPICAL APPLICATION CIRCUIT
The values for the external components are
determined as follows:
Current limit input threshold, V
TH
C
S
is determined by the current loop dynamics
Peak current to load, I
P
Short circuit current, I
SC
=
Low output voltage limit, V
O
(Low) =
High output voltage limit, V
O
(High) =
Voltage sensing delay, t
D
= 10,000 C
D
SCR trigger power limiting resistor, R
G
>
1000
R
1
V
TH
R
SC
V
TH
R
SC
V
O
R
SC
R
2
R
2
+R
3
+
(
)
2.5 (R
4
+R
5
+R
6
)
R
5
+R
6
2.5 (R
4
+R
5
+R
6
)
R
6
V
- 5
0.2
APPLICATION INFORMATION
(continued)
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