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FM2541D

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Package : DIP-7
With MOSFET : Built-in
MOSFET/BJT : MOS
BVdss : 650V
RDS(on) : 4A
Standby Power : <75mW
CC/CV Precision : ±5%
Max Vdd : 33V
Max Oper.Frequency : 72K
Output Power : 18W(12V/1.5A)
Product details

product description

FM25XX is a low-power primary-side feedback (PSR) switching power supply chip with integrated high-power MOSFET, suitable for isolated high-efficiency low-power portable device charger applications. FM25XX adopts the unique primary-side feedback control technology with constant current and constant voltage function, and the unique PFM+PWM technology to reduce the power consumption of the chip under light load to achieve high-efficiency applications. FM25XX has output line loss compensation technology to ensure sufficient output power under high current. In addition, FM25XX also integrates over-temperature protection, VCC under-voltage protection, VCC over-voltage protection, output short-circuit protection and other technologies. FM25XX adopts compact DIP/SOP package, which is convenient for system design and wiring.

 

main feature

Integrated high-power MOSFET tube
High-precision constant voltage and constant current control

Adopt PFM+PWM mode
Standby power consumption is less than 75mw
No audio noise
Output short circuit protection
VCC overvoltage protection and clamp protection
VCC undervoltage protection
Over temperature protection
Few peripheral components for primary side feedback

 

Scope of application

Chargers and adapters for portable devices such as mobile phones
LED drive power
Other auxiliary power

Keyword:
FM2541D
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