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WS2293B Datasheet, PDF (3/9 Pages) Shenzhen Winsemi Microelectronics Co., Ltd – Switching Mode Power Supply PWM Controller
WS2293B Product Description
Internal Block Diagram
GND
VDD
5.5V Internal
supply
UVLO VDD_OVP
VDD_low
OSC
OLP
FB
Burst
mode
VDD_low
CS
LEB
Slope
comp
PWM
OCP
SBD short
VDD_low
Logic
Soft
driver
G ATE
OTP
OVP
100u
1V I_save
RT
2.5V
OTP
c la m p
Ordering Information
Package
6-Pin SOT23-6, Pb-free
Marking
2293B
Part Number
WS2293BYP
Recommended Operation Conditions
Symbol
Parameter
VDD
VDD Supply Voltage
TA
Operating temperature
Value
Unit
10~30
V
-20~85
℃
Absolute Maximum Ratings
Symbol
Parameter
Value
Unit
VDD
DC Power Supply
34.5
V
VFB
FB input voltage
-0.3~7
V
VSENSE
SENSE input voltage
-0.3~7
V
VRI
RI input voltage
-0.3~7
V
TJ
Operation Junction Temperature
-20~150
℃
TSTG
Storage Temperature
-40~150
℃
VCV
Vcc Clamp Voltage
35.5
V
ICC
Vcc Clamp Continuous Current
10
mA
Note: Stresses above those listed Absolute Maximum Ratings may cause permanent damage to the device. These are stress
ratings only, functional operation of the device should not over these or any of these absolute maximum ratings. Operating above
the absolute maximum-rated conditions may affect device reliability.
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
www.winsemi.com Tel : +86-755-8250 6288 Fax : +86-755-8250 6299
WINSEMI MICROELECTRONICS
WINSEMI MICROELECTRONICS
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