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FA3641P

Features: • Uses a newly developed CMOS process with high dielectric strength (30V) for implementing low power consumption• Standby current of 2µA or less (at Vcc=14V), and operating current of 1.9mA (typ.)• Automatically reduces the oscillation frequency to suppressloss of...

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SeekIC No. : 004340237 Detail

FA3641P: Features: • Uses a newly developed CMOS process with high dielectric strength (30V) for implementing low power consumption• Standby current of 2µA or less (at Vcc=14V), and operati...

FA3641P Data Sheet

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Part Number:
FA3641P
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/15

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Product Details

Description



Features:

• Uses a newly developed CMOS process with high dielectric strength (30V) for implementing low power consumption
• Standby current of 2µA 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)


Specifications

Item Symbol Test condition Rating Unit
Supply voltage VCC1 Low impedance source (Icc >15mA) 30 V
VCC2 Internal ZD clamp (Icc < 15mA) Self limiting V
Output peak current IOL Sink current +1.0 A
IOH Source current -0.5 A
FB pin input voltage VFB   0.3 to 5.0 V
REF pin output current IREF   10 mA
IS pin input voltage VIS   0.3 to 5.0 V
CS pin input current ICS   2.0 mA
Total power dissipation Pd at Ta =25 DIP
SOP		 800 *1
400 *2		 mW
Operating temperature Topr   30 to +85
Junction temperature Tj   125
Storage temperature Tstg   40 to +150



Description

The FA3641P(N) and FA3647P(N) are the PWM type switching power supply control ICs that can directly drive power MOSFET.

These FA3641P(N) and FA3647P(N) 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.


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