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參數(shù)資料
| 型號： | FA13842N |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1 A SWITCHING CONTROLLER, 57 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOP-8 |
| 文件頁數(shù)： | 8/15頁 |
| 文件大?。?/td> | 151K |
| 代理商： | FA13842N |
FA13842, 13843, 13844, 13845
2
s Absolute maximum ratings (Ta=25C)
s Block diagram
FA13842, 13843
FA13844, 13845
VCC
ENB
2.5V
OUTPUT
5V REF
UVLO
OSC
VCC
30V
RT/CT
FB
COMP
ISNS
GND
OUT
VREF
ER AMP
2R
1R
1V
5V ControlIed block
S
FF
Q
QB
R
TFFQ
QB
CLK
UVLO
7
8
6
5
4
2
1
3
VCC
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
FF
Q
QB
R
UVLO
7
8
6
5
4
2
1
3
Item
Symbol
Test condition
Rating
Unit
Supply voltage
VCC
Low impedance source
28
V
Zener clamp (Icc<10mA)
Self limiting
V
Zener current
IZ
10
mA
Output peak current
IO
Source current
400
mA
Sink current
1
A
FB/ISNS terminal input voltage
VIN
FB, ISNS
–0.3 to 5.3
V
Error amplifier sink current
ISINK
10
mA
Total power dissipation
Pd
at Ta < 50C
DIP
800
mW
SOP
400
Thermal resistance
R
θ j-a
Junction-air
DIP
125
C/W
SOP
250
Junction temperature
Tj
150
C
Ambient temperature
Ta
–25 to 85
C
Storage temperature
Tstg
–40 to 150
C
Pin No. Symbol Function
Description
1
COMP
Compensating
Error amplifier output, available
for loop compensation circuit
2
FB
Feedback
Inverting input of the error
amplifier
3
ISNS
Current sensing
Input voltage proportional to
inductor current
4
RT/CT
Oscillator control
Setting oscillation frequency
and maximum duty-cycle with
resistor RT and capacitor CT
5
GND
Ground
6
OUT
Output
Output for driving a power
MOSFET
7
VCC
Power supply
8
VREF
Reference voltage Reference voltage and
current source charging
capacitor CT through resistor
RT
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| FA13843N | 1 A SWITCHING CONTROLLER, 57 kHz SWITCHING FREQ-MAX, PDSO8 |
| FA13844N | 1 A SWITCHING CONTROLLER, 57 kHz SWITCHING FREQ-MAX, PDSO8 |
| FA13845N | 1 A SWITCHING CONTROLLER, 57 kHz SWITCHING FREQ-MAX, PDSO8 |
| FA13842P | 1 A SWITCHING CONTROLLER, 57 kHz SWITCHING FREQ-MAX, PDIP8 |
| FA13845P | 1 A SWITCHING CONTROLLER, 57 kHz SWITCHING FREQ-MAX, PDIP8 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| FA13842N-D1 | 制造商:Fuji Electric 功能描述: |
| FA13842P | 制造商:FUJI 制造商全稱:Fuji Electric 功能描述:CMOS IC(For Switching Power Supply Control) |
| FA13842P-D1 | 制造商:Fuji Electric 功能描述: |
| FA13843 | 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 |
| FA13843N | 制造商:FUJI 制造商全稱:Fuji Electric 功能描述:CMOS IC(For Switching Power Supply Control) |
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