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WS3252 Datasheet(PDF) 2 Page - Shenzhen Winsemi Microelectronics Co., Ltd

Part # WS3252
Description  WS3252 High Precision CC/CV Primary-Side PWM Controller
PDF  8 Pages
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Manufacturer  WINSEMI [Shenzhen Winsemi Microelectronics Co., Ltd]
Direct Link  http://www.winsemi.com
Logo WINSEMI - Shenzhen Winsemi Microelectronics Co., Ltd

WS3252 Datasheet(HTML) 2 Page - Shenzhen Winsemi Microelectronics Co., Ltd

  WS3252 Datasheet HTML 1Page - Shenzhen Winsemi Microelectronics Co., Ltd WS3252 Datasheet HTML 2Page - Shenzhen Winsemi Microelectronics Co., Ltd WS3252 Datasheet HTML 3Page - Shenzhen Winsemi Microelectronics Co., Ltd WS3252 Datasheet HTML 4Page - Shenzhen Winsemi Microelectronics Co., Ltd WS3252 Datasheet HTML 5Page - Shenzhen Winsemi Microelectronics Co., Ltd WS3252 Datasheet HTML 6Page - Shenzhen Winsemi Microelectronics Co., Ltd WS3252 Datasheet HTML 7Page - Shenzhen Winsemi Microelectronics Co., Ltd WS3252 Datasheet HTML 8Page - Shenzhen Winsemi Microelectronics Co., Ltd  
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WS3252
WS3252
WS3252
WS3252
2/8
Steady,
Steady,
Steady,
Steady, keep
keep
keep
keep you
you
you
you advance
advance
advance
advance
Pin
Pin
Pin
Pin Definition
Definition
Definition
Definition and
and
and
and Device
Device
Device
Device Marking
Marking
Marking
Marking
Pin
Pin
Pin
Pin Function
Function
Function
Function Description
Description
Description
Description
Pin
Pin
Pin
Pin
Name
Name
Name
Name
Pin
Pin
Pin
Pin
Number
Number
Number
Number
Pin
Pin
Pin
Pin Type
Type
Type
Type
Function
Function
Function
Function Description
Description
Description
Description
GND
1
GND
Ground.
GATE
2
Gate-driven output
Totem-pole gate driver output for power MOSFET.
CS
3
Current Monitoring
Current sense input.
INV
4
Feedback Input
The voltage feedback from auxiliary winding. Connected to
resistor divider from auxiliary winding reflecting output voltage.
PWM duty cycle is determined by EA output and current sense
signal at pin3.
COMP
5
Loop Compensation
Loop Compensation for CV Stability
VCC
6
Power
Power supply
Block
Block
Block
Block Diagram
Diagram
Diagram
Diagram
1
2
3
4
5
6
G N D
G A T E
C S
I N V
C O M P
V C C
S O T 23-6
52: WS3252
Y: Year Code(0-9)
WW: Week Code (1-52)
6
U V L O
regulator
V c c _O V P
P O R
Inter supply
1
G N D
G N D
G N D
G N D
2
Driver
G a t e
G a t e
G a t e
G a t e
4 I N V
I N V
I N V
I N V
Sampler
Sa m pling
Controller
E A
+
-
2 V
D rop Com p
P W M
& S S
+
-
5
3
C O M P
C O M P
C O M P
C O M P
C S
C S
C S
C S
V C C
V C C
V C C
V C C
L E B
O C P
L o g i c
C C
Controller
C L K
Generation



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