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부품번호 | FA5541 기능 |
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기능 | Switching Power Supply Control IC Application Note | ||
제조업체 | Fuji | ||
로고 | |||
전체 30 페이지수
FA5540/5541/5542
Fuji Switching Power Supply Control IC
FA5540/5541/5542
Application Note
Rev.0 July-2007
July 2007
Fuji Electric Device Technology Co., Ltd.
1
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Fuji Electric Device Technology
FA5540/5541/5542
1. Description
FA5540/41/42 is a quasi-resonant type switching power supply control IC possible to drive a power
MOSFET directly. Low power consumption is achieved by using high-voltage CMOS process. Though it is a
small package with 8 pins, it has a lot of functions and enables to decrease external parts. Therefore it is
possible to realize a small space and high cost-performance power supply.
2. Features
・Low power consumption by using high-voltage CMOS process.
・Low power consumption with built-in startup circuit.
・Low current consumption, in operation : 1mA(FA5540), 1.2mA(FA5541/42)
・Maximum frequency limitation function : 60kHz(FA5540), 120kHz(FA5541/42)
・Burst function at light load.
・Drive circuit possible to connect to a power MOSFET directly.
Output current: 0.5A (sink) 0.25A (source)
・Over load protection function (FA5540/41 : auto restart , FA5542 : timer latch)
・Over voltage shutdown circuit in latch mode.
・Under voltage lockout circuit
・Package : DIP-8/SOP-8
Function list for each type
Type
Maximum frequency Over load protection
FA5540
FA5541
FA5542
60kHz(typ)
120kHz(typ)
120kHz(typ)
Auto restart
Auto restart
Timer latch
Recommended
operating voltage
12 to 14.5V
12 to 26V
12 to 26V
Over voltage
protection(VCC)
16V(typ)
28V(typ)
28V(typ)
3. Outline
8
DIP-8
5
SOP-8
0°~10°
1
9.4±0.3
4
1 PIN MARK
5.0±0.25
2.54
2.54×3=7.62
0.5±0.1
0.25 ±0.1
7.6
0° ~ 15°
1.27
0.4±0.1
0.2±0.1
Rev.0 July-2007
4
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Fuji Electric Device Technology
4페이지 FA5540/5541/5542
6. Rating and characteristics
* “+” shows sink and “–“ shows source in current prescription.
(1) Absolute maximum rating
Item
Power supply voltage
OUT pin output peak current
OUT pin voltage
FB, IS pin input voltage
ZCD pin current
VH pin input voltage
Total loss (Ta<25℃)
Maximum junction temperature
Storage temperature
Symbo
l
VCC
IOH
IOL
VOUT
VLT
ISOZCD
ISIZCD
VVH
Pd
Tj
Tstg
Rating
30
-0.25
+0.5
-0.3 to VCC+0.3
-0.3 to 5.0
-2.0
+3.0
-0.3 to 500
800 (DIP-8)
400 (SOP-8)
125
‐40 to +150
Unit
V
A
A
V
V
mA
V
mW
℃
℃
* Allowable loss reducing characteristics
400mW(SOP)
800mW(DIP)
0
-30
25 85
Ambient temperature Ta [℃]
125
(2) Recommended operating conditions
Item
Symbol
Power supply FA5540
voltage FA5541/42
VCC
VH pin input voltage
VCC pin capacity
Operating ambient temperature
VVH
CVCC
Ta
MIN
12
12
80
10
-30
TYP
15
33
MAX
14.5
26
450
85
Unit
V
V
µF
℃
Rev.0 July-2007
7
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Fuji Electric Device Technology
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부품번호 | 상세설명 및 기능 | 제조사 |
FA5540 | Switching Power Supply Control IC Application Note | Fuji |
FA5541 | Switching Power Supply Control IC Application Note | Fuji |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |