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參數(shù)資料
| 型號： | UC2907QTR |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | VERTICAL DEFLECTION BOOSTER FOR 2 APP MONITOR/TV APPLICATIONS WITH 70 V FLYBACK GENERATOR |
| 中文描述： | 負載共享規(guī)控制器 |
| 文件頁數(shù)： | 6/7頁 |
| 文件大?。?/td> | 269K |
| 代理商： | UC2907QTR |
6
UC1907
UC2907
UC3907
12
5
11
15
16
8
9
13
1
14
7
10
6
4
3
2
+
–
VOLTAGE ERROR
AMPLIFIER
+
–
50k
20k
+
V
CC
0-20mA
ISOLATED
CONTROL
I
SET
0-4V
DIRECT
CONTROL
1.750V
REF
+
+
–
V
REF
RANGE 2.0V-2.1V
GND
AMPLIFIER
0.250V
+
20X
–
CURRENT
SENSE
+
ADJ
COMP
–
+
–
+
–
10k
CURRENT
SHARE
BUS
+
TO PWR
RETURN
ARTIFICIAL GND
FROM LOAD
(–) SENSE
(+) SENSE
C/S OUT
ADJ IN
50mV
ADJUST AMPLIFIER
1.75V
1.0V
DRIVE
AMPLIFIER
PWR RET
V
CC
V
CC
REF
MODULE LOAD CURRENT
MASTER
INDICATE
BUFFER
AMPLIFIER
UC3907
Figure 2. Load share connection diagram.
Figure 3. UC3907 In a load-sharing feedback loop for an off-line isolated supply.
UNITRODE CORPORATION
7 CONTINENTAL BLVD. MERRIMACK, NH 03054
TEL. (603) 424-2410 FAX (603) 424-3460
UDG-94105
UDG-99053
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