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WS2259DP датащи(PDF) 3 Page - Shenzhen Winsemi Microelectronics Co., Ltd

номер детали WS2259DP
подробное описание детали  Burst Mode function, Low startup current (4uA), Low operation current (1.7mA)
PDF  11 Pages
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производитель  WINSEMI [Shenzhen Winsemi Microelectronics Co., Ltd]
домашняя страница  http://www.winsemi.com
Logo WINSEMI - Shenzhen Winsemi Microelectronics Co., Ltd

WS2259DP датащи(HTML) 3 Page - Shenzhen Winsemi Microelectronics Co., Ltd

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WS2259
WS2259
WS2259
WS2259
Pin
Pin
Pin
Pin Function
Function
Function
Function Description
Description
Description
Description
Pin
Pin
Pin
Pin
Name
Name
Name
Name
Pin
Pin
Pin
Pin No.
No.
No.
No.
DIP8
DIP8
DIP8
DIP8/SOT2
/SOT2
/SOT2
/SOT23
3
3
3
Pin
Pin
Pin
Pin Type
Type
Type
Type
Function
Function
Function
Function Description
Description
Description
Description
GATE
1 / 6
Output
Totem-pole gate drive output for the power MOSFET
VDD
2 / 5
Power
Power Supply
NC
3
Floating
Floating
SENSE
4 / 4
Current
Monitoring
Current sense input.
RI
5 / 3
Frequency
Setting
Internal oscillator frequency setting pin. A resistor which is
connected between RI and GND sets the PWM frequency
NC
6
Floating
Floating
FB
7 / 2
Feedback
Input
Feedback input pin. The PWM duty cycle is determined by voltage into
this pin and the current-sense signal at Pin 4
GND
8 / 1
Ground
Ground
Block
Block
Block
Block Diagram
Diagram
Diagram
Diagram
V D D
c l a m p
O S C
L o g i c
S o f t
driver
S o f t
S t a r t
O C P
L E B
S l o p e
compensation
Voltage
Divider
P W M
O L P
Internal
Supply
U V L O
B u r s t
M o d e



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