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FM3783GA

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Package : SOP-7
With MOSFET : Built-in
MOSFET/BJT : BJT
BVdss : 750V
RDS(on) : 2A
Standby Power : <75mW
CC/CV Precision : ±5%
Max Vdd : 33V
Max Oper.Frequency : 70K
Output Power : 5V 2.1A
Product details

product description

FM3783 is a low-power primary-side feedback (PSR) switching power supply chip, which integrates a high-power BJT tube, suitable for isolated high-efficiency low-power portable device charger applications. FM3783 adopts unique primary-side feedback control technology with constant current and constant voltage function, and unique light-load frequency modulation technology to reduce the chip's own power consumption under light load to achieve high-efficiency applications. FM3783 has output line loss compensation technology to ensure sufficient output power under high current. In addition, FM3783 also integrates over-temperature protection, VCC under-voltage protection, output over-voltage protection, C pole open circuit protection and other technologies. FM3783 adopts compact SOP-7 package, which is convenient for system design and wiring.

 

main feature

Integrated high-power BJT tube
High-precision constant voltage and constant current control
Standby power consumption is less than 75mw
Output short circuit protection
Output overvoltage protection
Input undervoltage protection
Over temperature protection
Few peripheral components for primary side feedback
SOP-7 package

 

Scope of application

Chargers and adapters for portable devices such as mobile phones
LED drive power
Other auxiliary power
FM3783GA is suitable for 5V 2.1A solution and meets the six-level energy efficiency standard (FM9919B is recommended)
FM3783GB is suitable for 5V 2.4A solution and meets the six-level energy efficiency standard (FM9920B is recommended)

Keyword:
FM3783GA
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