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参数资料
| 型号： | FA13845N |
| 元件分类： | 稳压器 |
| 英文描述： | 1 A SWITCHING CONTROLLER, 57 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | SOP-8 |
| 文件页数： | 8/15页 |
| 文件大小： | 151K |
| 代理商： | FA13845N |
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
相关PDF资料 |
PDF描述 |
|---|---|
| FA13842P | 1 A SWITCHING CONTROLLER, 57 kHz SWITCHING FREQ-MAX, PDIP8 |
| FA13845P | 1 A SWITCHING CONTROLLER, 57 kHz SWITCHING FREQ-MAX, PDIP8 |
| FA13844P | 1 A SWITCHING CONTROLLER, 57 kHz SWITCHING FREQ-MAX, PDIP8 |
| FA5304AS | 1.5 A SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
| FA5305AS | 1.5 A SWITCHING CONTROLLER, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| FA13845P | 制造商:FUJI 制造商全称:Fuji Electric 功能描述:CMOS IC(For Switching Power Supply Control) |
| FA13845P-D1 | 制造商:Fuji Electric 功能描述: |
| FA138FFP | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Current-Mode SMPS Controller |
| FA138T87 | 制造商:Atlas Sound 功能描述:8'' High Power 70V Coaxial Loudspeaker - 100W |
| FA14015A | 制造商:Square D by Schneider Electric 功能描述:MOLDED CASE CB 480Y/277V 15A |
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