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參數(shù)資料
| 型號： | UC284XA |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER |
| 中文描述： | 高性能電流模式PWM控制器 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大小： | 171K |
| 代理商： | UC284XA |
9/16
UC384XA - UC284XA
Figure 21. Isolated MOSFET Drive and Current Transformer Sensing.
Figure 22. Latched Shutdown.
7
6
COMP/LATCH
ISOLATION
BOUNDARY
D95IN349
5.0Vref
V
CC
+
-
+
-
Q
S
R
+
-
3
R
R
S
N
S
C
V
in
Q1
N
P
V
GS
Waveforms
+
0
-
+
0
-
50% DC
25% DC
( )
I
pk
=
V
(pin 1)
-1.4
3R
S
N
S
D95IN350
BIAS
+
-
EA
R
+
OSC
2N
3905
2N
3903
1mA
R
R
2R
1
2
8
4
SCR must be selected for a holding current of less than 0.5mA at T
A(min)
.
The simple two transistor circuit can be used in place of the SCR as shown. All resistors are 10K.
5
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相關(guān)代理商/技術(shù)參數(shù) |
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| UC284XAD | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:CURRENT MODEPWM CONTROLER |
| UC284XADM | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:CURRENT MODEPWM CONTROLER |
| UC284XAM | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:CURRENT MODEPWM CONTROLER |
| UC284XAY | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:CURRENT MODEPWM CONTROLER |
| UC284XBD | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:HIGH PERFORMANCE CURRENT MODE CONTROLLERS |
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