参数资料
型号: TS3842BCD
厂商: Electronic Theatre Controls, Inc.
英文描述: High Performance Current Mode Controller
中文描述: 高性能电流模式控制器
文件页数: 14/20页
文件大小: 521K
代理商: TS3842BCD
Undervoltage Lockout(contd.)
Figure 32-Slope Compenstaion
+
-
+
-
5.0V Ref
36V
S
RQ
Bias
+
1.0mA
Osc
R
R
R
2R
EA
1.0V
7(12)
7(11)
6(10)
5(8)
3(5)
R
S
V
CC
V
in
1(1)
2(3)
4(7)
8(14)
R
T
C
T
m
- 3.0m
-m
R
f
C
f
R
i
R
d
From V
O
R
slope
MPS3904
5(9)
Comp/Latch
Q1
The buffered oscillator ramp can resistively summed with either the voltage feedback or current sense inputs to provide slope compensation.
Figure 31-Error Amplifier Compensation
+
R
2R
1.0mA
EA
2(3)
5(9)
2.5V
1(1)
R
f
C
f
R
d
R
i
From V
O
Error Amp compensation circuit for stabilizing any current mode topology except for boost and flyback
converters operating with continuous inductor current.
+
R
2R
1.0mA
EA
2(3)
5(9)
2.5V
1(1)
R
f
C
f
R
d
R
p
From V
O
C
p
R
i
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