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FAC1591 数据表(PDF) 4 Page - First Silicon Co., Ltd

部件名 FAC1591
功能描述  2A 380KHZ 32V PWM Buck DC/DC Converter
PDF  12 Pages
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制造商  FS [First Silicon Co., Ltd]
网页  http://www.firstsilicon.co.kr/
标志 FS - First Silicon Co., Ltd

FAC1591 数据表(HTML) 4 Page - First Silicon Co., Ltd

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Recommended Operating Conditions
Parameter
Symbol
Min.
Max.
Unit
Input Voltage
VIN
3.6
32
V
Operating Junction Temperature
TJ
-40
125
ºC
Operating Ambient Temperature
TA
-40
85
ºC
Electrical Characteristics
VCC = 12V, Ta = 25 unless otherwise specified.
℃
Parameters
Symbol
Test Condition
Min. Typ. Max. Unit
Input voltage
VIN
3.6
32
V
Shutdown Supply Current
ISTBY
VEN=0V
30
90
uA
Supply Current
ICC
VEN=2V, VFB=1.3V
3.6
4
mA
Feedback Voltage
VFB
VIN = 3.6V to 23V
1.21 1.222 1.26
V
Feedback Bias Current
IFB
VFB=1.3V
0.1
0.5
uA
Switch Current Limit
ILIM
3
4
A
Oscillator Frequency
FOSC
320
380
440
KHz
Frequency of Current
Limit or Short Circuit
Protection
FOSC1
VFB=0V
42
KHz
EN Pin Threshold
VEN
0.7
1.2
1.7
V
IH
VEN=2.5V
-0.1
-1
uA
EN Pin Input Leakage
Current
IL
VEN=0.5V
-3
-10
uA
Internal PMOS RDSON
RDSON
VIN =12V, VFB=0V
VEN=12V, Iout=2A
140
mΩ
Max. Duty Cycle
DMAX
VFB=0V, ISW=0.1A
100
%
Efficiency
η
VIN=12V ,Vout=5V
Iout=2A
-
92
-
%
Thermal Shutdown
TOTSD
165
ºC
2008.01. 28
4/12
Revision No : 0
FAC1591



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