FA13842 데이터 시트보기 (PDF) - Fuji Electric
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FA13842 Datasheet PDF : 15 Pages
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FA13842,13843,13844,13845
CMOS IC
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s Description
The FA1384X series are CMOS current mode control ICs for
off-line and DC-to-DC converters.
These ICs can reduce start-up circuit loss and are optimum for
high efficiency power supplies because of the low power
dissipation achieved through changes in the CMOS fabrication
process.
These ICs can drive a power MOSFET directly.
The high-performance, compact power supply can be
designed with minimal external components .
s Features
• CMOS process
• Low-power dissipation
• Standby current 2µA (max.), start-up current 30µA (max.)
• Pulse-by-pulse current limiting
• 5V bandgap reference
• UVLO (Undervoltage lockout) with hysteresis
• Maximum duty cycle FA13842, 13843: 96%
FA13844, 13845: 48%
• Pin-for-pin compatible with UC384X
Note: Pins are fully compatible, but characteristics are not.
When our ICs are applied to a power supply circuit
designed for other manufactures' 384X series, the
characteristics and safety features of the power supply
must be checked.
s Types of FA1384X series
Type
UVLO
Maximum duty Package
Start threshold Stop threshold cycle
FA13842P 16.5V±1V
9V± 1V
96%
DIP
FA13842N
SOP
FA13843P 9.6V±1V
9V± 1V
96%
DIP
FA13843N
SOP
FA13844P 16.5V±1V
9V± 1V
48%
DIP
FA13844N
SOP
FA13845P 9.6V±1V
9V± 1V
48%
DIP
FA13845N
SOP
s Dimensions, mm
SOP-8
8
5
1
4
4.9
0.4±0.1 1.27±0.2
DIP-8
8
5
1 9.3 4
1.5
2.54±0.25 0.46±0.1
7.62
0~15˚
0.25+–00.1.05
0~15˚
1
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