PL384XAP8 Datasheet, PDF (14/15 Pages) Cystech Electonics Corp. – High Performance Current Mode PWM Controllers

Spec. No. : C510P8-A
CYStech Electronics Corp.
Issued Date : 2003.08.12
Revised Date :
Page No. : 14/15
Figure 21:Soft-Start and Error Amplifier Output Duty Cycle Clamp.
Vcc Vin
7
8
4
2
R2
1
C
BC109
R1
R
BIAS
R
OSC
+
5Vref
1mA
EA
Vclamp
2R
R
1V
5
S
Q
R
Comp/Latch
- R1
VCLAMP =
R1+ R2
where 0< VCLAMP <1V
I pk(max) =
VCLAMP
Rs
7
6
Q1
5
3
Rs
PL384XAP8
CYStek Product Specification