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FA5310BP fiches techniques PDF

Fuji Electric - Bipolar IC For Switching Power Supply Control

Numéro de référence FA5310BP
Description Bipolar IC For Switching Power Supply Control
Fabricant Fuji Electric 
Logo Fuji Electric 





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FA5310BP fiche technique
FA531XFA531X series series
FA5310BP(S), FA5314P(S), FA5316P(S)
FA5311BP(S), FA5315P(S), FA5317P(S)
s Description
The FA531X series are bipolar ICs for switching power supply
control that can drive a power MOSFET.
These ICs contain many functions in a small 8-pin package.
With these ICs, a high-performance and compact power
supply can be created because not many external discrete
components are needed.
s Features
• Drive circuit for connecting a power MOSFET
• Wide operating frequency range (5 to 600kHz)
• Pulse-by-pulse overcurrent limiting function
• Overload cutoff function (Latch or non-protection mode
selectable)
• Output ON/OFF control function by external signal
• Overvoltage cutoff function in latch mode
• Undervoltage malfunction prevention function
• Low standby current (90µA typical)
• Exclusive choices by circuits (See selection guide on page 25)
• 8-pin package (DIP/SOP)
s Applications
• Switching power supply for general equipment
Bipolar IC
For Switching Power Supply Control
s Dimensions, mm
SOP-8
8
5
14
6.05
0.4±0.1 1.27±0.2
DIP-8
8
5
0.6
1 9.3 4
1.5
s Block diagram
FA5310BP(S)/FA5311BP(S)/FA5316P(S)/FA5317P(S)
2.54±0.25 0.5±0.1
0~15˚
7.6
0.3 +–00.1.05
0~15˚
Pin Pin
No. symbol
1 RT
2 FB
3 IS (+)
4 GND
5 OUT
6 VCC
7 CT
8 CS
Description
Oscillator timing resistor
Feedback
Overcurrent (+) detection
Ground
Output
Power supply
Oscillator timing capacitor
Soft-start and ON/OFF control
FA5314P(S)/FA5315P(S)
Pin Pin
No. symbol
1 RT
2 FB
3 IS (–)
4 GND
5 OUT
6 VCC
7 CT
8 CS
Description
Oscillator timing resistor
Feedback
Overcurrent (–) detection
Ground
Output
Power supply
Oscillator timing capacitor
Soft-start and ON/OFF control
1

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