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US4651S डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - LOW COST POWER-SAVING MODE POWER-SWITCH - Unisonic Technologies

भाग संख्या US4651S
समारोह LOW COST POWER-SAVING MODE POWER-SWITCH
मैन्युफैक्चरर्स Unisonic Technologies 
लोगो Unisonic Technologies लोगो 
पूर्व दर्शन
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US4651S pdf
US4651S
MARKING
LINEAR INTEGRATED CIRCUIT
PIN CONFIGURATION
VDD 1
GND 2
NC 3
CS 4
8 FB
7 NC
6 DRAIN
5 NC
PIN DESCRIPTION
PIN NO.
1
2
3, 5, 7
4
6
8
PIN NAME
VDD
GND
NC
CS
DRAIN
FB
PIN TYPE
P
P
I
O
I
DESCRIPTION
Power supply.
Ground.
No Connection
Current sense input pin. Connected to MOSFET current sensing resistor
node.
Connected the primary lead of the transformer.
Feedback input pin. The PWM duty cycle is determined by voltage level
into this pin and CS pin input.
BLOCK DIAGRAM
VDD
1
NC 3/5/7
FB 8
UVLO
Reference voltage
Frequency
Hopping
Oscillator
UVLO
M2
6 DRAIN
OVP
Logic
Control
OTP
Slope Compensation
Burstmode
PWM COMP
Latch
SQ
RQ
Driver
Constant Power Limit
OCP
LEB
M1
4 CS
2
GND
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 9
QW-R129-003.B

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डाउनलोड[ US4651S Datasheet.PDF ]


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अनुशंसा डेटापत्रक

भाग संख्याविवरणविनिर्माण
US4651SLOW COST POWER-SAVING MODE POWER-SWITCHUnisonic Technologies
Unisonic Technologies


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