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SA-WA10R
– POWER (SW) Board –
IC02 MIP2F20MS1SO
VDD
1
CLAMP CIRCUIT
(ILIMIT SETTING)
FB
2
VCL
CL
3
IN
VCL.OUT
ICL.LOW
ILIMIT VARIABLE
CIRCUIT
VCC OVP
+
2.4V
–
OVERHEAT
PROTECTION
VCC UV
+
7.2V
–
VCC
4
18
CONSTANT
CURRENT
SOURCE
FOR LIGHT LOAD
DETECTION INTERMITTENT
OSCILLATION CONTROL
+
27%
–
22%
GENERATOR
CLOCK
12kHz
MAXDC
S
Q
R
Q
RESTARTING
TRIGGER
VDD UV
+
5.7V
–
5.0V
REGULATOR
6.6V
VDD CLAMP
ILIMIT
CIRCUIT
CORRECTION
CIRCUIT
DRAIN CURRENT
AT TURNING ON
R
Q
BLANKING PULSE
GENERATION CIRCUIT
S
Q
5.7V
8 SOURCE
7 SOURCE
–
+
FOR
DETECT
GATE DRIVER
POWER
MOSFET
5 DRAIN
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