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參數資料
型號: FA13843N
廠商: FUJI ELECTRIC CO LTD
元件分類: 穩壓器
英文描述: CMOS IC(For Switching Power Supply Control)
中文描述: 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8
封裝: SOP-8
文件頁數: 2/15頁
文件大小: 151K
代理商: FA13843N
FA13842, 13843, 13844, 13845
2
I
Absolute maximum ratings
(Ta=25C)
I
Block diagram
á
FA13842, 13843
á
FA13844, 13845
VCC
ENB
2.5V
ENB
5V REF
UVLO
OSC
VCC
30V
RT/CT
FB
COMP
ISNS
GND
OUT
VREF
ER AMP
2R
1R
1V
5V ControlIed block
S
FF
R
Q
QB
CLK
QB
UVLO
7
8
6
5
4
2
1
3
VCC
ENB
ENB
2.5V
OUTPUT
5V REF
UVLO
OSC
VCC
30V
RT/CT
FB
COMP
ISNS
GND
OUT
VREF
ER AMP
2R
1R
1V
5V Controlled block
S
FFQ
QB
R
UVLO
7
8
6
5
4
2
1
3
I
tem
Supply voltage
Symbol
V
CC
Test condition
Low impedance source
Zener clamp (Icc<10mA)
Rating
28
Self limiting
10
400
1
–0.3 to 5.3
10
800
400
125
250
150
–25 to 85
–40 to 150
Unit
V
V
mA
mA
A
V
mA
mW
Zener current
Output peak current
I
Z
I
O
Source current
Sink current
FB, ISNS
FB/ISNS terminal input voltage
Error amplifier sink current
Total power dissipation
V
IN
I
SINK
P
d
at Ta < 50C DIP
SOP
Thermal resistance
R
θ
j-a
Junction-air DIP
C/W
SOP
Junction temperature
Ambient temperature
Storage temperature
T
j
T
a
T
stg
C
C
C
Pin No. Symbol Function
1
COMP
Description
Error amplifier output, available
for loop compensation circuit
Inverting input of the error
amplifier
Input voltage proportional to
inductor current
Setting oscillation frequency
and maximum duty-cycle with
resistor R
T
and capacitor C
T
Ground
Output for driving a power
MOSFET
Power supply
Compensating
2
FB
Feedback
3
ISNS
Current sensing
4
RT/CT
Oscillator control
5
6
GND
OUT
Ground
Output
7
8
VCC
VREF
Power supply
Reference voltage Reference voltage and
current source charging
capacitor C
T
through resistor
R
T
相關PDF資料
PDF描述
FA13843P CMOS IC(For Switching Power Supply Control)
FA13844N CMOS IC(For Switching Power Supply Control)
FA13844P CMOS IC(For Switching Power Supply Control)
FA13845N CMOS IC(For Switching Power Supply Control)
FA13845P CMOS IC(For Switching Power Supply Control)
相關代理商/技術參數
參數描述
FA13843N-D1 制造商:Fuji Electric 功能描述:
FA13843P 制造商:FUJI 制造商全稱:Fuji Electric 功能描述:CMOS IC(For Switching Power Supply Control)
FA13843P-D1 制造商:Fuji Electric 功能描述:
FA13844 制造商:未知廠家 制造商全稱:未知廠家 功能描述:電源電路,類似UA3843
FA13844N 制造商:Panasonic Industrial Company 功能描述:IC
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