WS3413 Product Description
Pin Definition and Device Marking
WS3413 is available in DIP-8 package.
COMP
1
GND 2
VCC 3
FB 4
CS
8
7 CS
6D
5D
WS3413D8P: Product code
A: Product Code
X:Internal Code
B:Area Code
YM:Year, Month
Pin Function Description
Pin Name
Pin NO.
COMP
1
GND
2
VCC
3
FB
4
D
5
D
6
CS
7
CS
8
Description
Loop compensation, with a cap to GND.
Ground
Power supply
Feedback signal input.
Internal HV power MOSFET drain
Internal HV power MOSFET drain
Current sense input, connect to internal HV power MOSFET source
Current sense input, connect to internal HV power MOSFET source
Block Diagram
VCC
3
FB
GND
4
2
8.5V
UVLO
Temperature
control
Inter
supply
Zero-Current
Detect
OVP
PFC
control
Logic
&
driver
200mV
OTP
COMP 1
EA
1 .5 V
low-clamp
Current
sense
OCP
1V
5,6 D
7,8 C S
WIN SEM I M ICROELECTRON ICS
WIN SEM I M ICROELECTRON ICS
WIN SEM I M ICROELECTRON ICS
www.winsemi.com Tel : +86-755-8250 6288 Fax : +86-755-8250 6299
WIN SEM I M ICROELECTRON ICS
WIN SEM I M ICROELECTRON ICS
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