參數(shù)資料
型號: GM3843AD8T
廠商: American Power Management Inc.
英文描述: HIGH PERFORMANCE CURRENT MODE PWM CONTROLLERS
中文描述: 高性能電流模式PWM控制器
文件頁數(shù): 7/19頁
文件大小: 304K
代理商: GM3843AD8T
G
M
3
8
4
2
A
,
G
M
3
8
4
3
A
,
G
M
3
8
4
A
,
G
M
3
8
4
5
A
15
+
-
+
-
+
-
+
-
+
S
R
Q
5.0 VREF
Comp/ Latch
VIN
VCC
Rg
Q1
Rs
7
6
5
3
Series gate resistor Rg will damp any high frequency parasitic oscillations caused by the MOSFET input
capacitance and any series wiring inductance in the gate-source circuit.
Figure 17. MOSFET Parasitic Oscillations
+
-
+
1.0mA
R
2R
EA
2
1
5
RF
CI
RI
RD
VO
Figure 18. Isolated MOSFET Drive
Error Amp compensation circuit for stabilizing any current-mode topology except
for boost and flyback converters operating with continuous inductor current.
2.5V
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