參數資料
型號: HSMC3842
廠商: HSMC CORP.
英文描述: HIGH PERFORMANCE CURRENT MODE CONTROLERS
中文描述: 高性能電流模式CONTROLERS
文件頁數: 9/10頁
文件大?。?/td> 154K
代理商: HSMC3842
HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : HP200202
Issued Date : 1998.08.01
Revised Date : 2002.12.03
Page No. : 9/10
H3842P
HSMC Product Specification
Rs
Vclamp
Comp/Latch
Q1
BC109
Vcc
Vin
7
6
5
1
2
R2
5Vref
C
R
2R
5
EA
+
-
1mA
+
R
R
4
8
OSC
BIAS
S
R
Q
+
1V
+
-
R1
+
7
External Duty Cycle Clamp and Multi Unit Synchronization
Soft-Start Circuit
Soft-Start and Error Amplifier Output Duty Cycle Clamp
1
2
1M
5Vref
C
R
2R
5
EA
+
-
1mA
+
R
R
4
8
OSC
BIAS
S
R
Q
+
-
1V
+
-
R
R
R
2R
1
2
4
5
8
+
EA
OSC
BIAS
RA
RB
5K
5K
5K
C
2
3
4
5
6
7
8
1
+
-
R
S
Q
Vref
NE555
To Additional
H3842
+
-
+
-
f=1.44/((RA+2RB)C), Dmax=RB/(RA+2RB)
Vclamp=R1/(R1+R2) where 0<Vclamp<1V, Ipk(max)=Vclamp/RS
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