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FA3647N Datasheet(PDF) 1 Page - Fuji Electric |
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FA3647N Datasheet(HTML) 1 Page - Fuji Electric |
1 / 21 page FA3641P(N), FA3647P(N) 58 FA3641P(N), FA3647P(N) PWM control IC with light load power saving function For Switching Power Supply Control s Dimensions, mm SOP-8 4.9 0.4±0.1 1.27±0.2 1 4 8 5 DIP-8 1 8 5 4 9.3 7.62 1.5 0~15˚ 0~15 ˚ 0.46±0.1 2.54±0.25 0.25 +0.1 –0.0 5 s Description The FA3641P(N) and FA3647P(N) are the PWM type switching power supply control ICs that can directly drive power MOSFET. These ICs use a CMOS device with high dielectric strength (30V) to implement low power consumption. They feature a number of functions that are equivalent to those of the FA531X series consisting of bipolar devices. In addition, they have a function that reduces the oscillation frequency to suppress loss of the power supply in light load mode and support an overvoltage protection detecting Vcc voltage. These ICs are most suitable for high-performance, energy-saving power supplies that require low input power in standby or no-load mode. s Features • Uses a newly developed CMOS process with high dielectric strength (30V) for implementing low power consumption • Standby current of 2 µA or less (at Vcc=14V), and operating current of 1.9mA (typ.) • Automatically reduces the oscillation frequency to suppress loss of the power supply in light load mode • Overvoltage protection function detecting Vcc voltage • A drive circuit for connecting a power MOSFET directly • Output peak current: Source current –500mA Sink current +1A • Pulse-by-pulse overcurrent limiting function • Overload cutoff function (latch or non-latch mode selectable) • Output ON/OFF control function by external signal • Latch mode overvoltage shutdown function • Undervoltage lockout function (16.5V ON / 9V OFF) • Reference voltage output (5V) • 8-pin package (DIP/SOP) |
Similar Part No. - FA3647N |
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Similar Description - FA3647N |
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