Daewoo 14C5 - Page 21

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8-2-1. STR-F6653 oscillating operation
Shutdown voltage 11V
16V (TYP.)
O.V.P.voltage 20.5V
Vin
t
Waveform of Vin pin voltage at start-up
TO PIN4 SMPS
2
3
1
5
GND
R804
C850
OCP/FB
From PIN 6
SM
PS
(FEEDBACK)
SOURCE
R808
DRAIN
DRIVE
OSC
Rg2
Rg1
Comp.2
Comp.1
C1
R1
STR-F6653
1.35mA
Vth(1)
Vth(2)
Oscillating operation
APPENDIX
FUNCTIONAL DESCRIPTION