FA13842 데이터 시트보기 (PDF) - Fuji Electric
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FA13842 Datasheet PDF : 15 Pages
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FA13842, 13843, 13844, 13845
s Recommended operating conditions
Item
Supply voltage
Oscillation timing capacitor
Oscillation timing resistor
Oscillation frequency
Symbol
VCC
CT
RT
fOSC
Min.
10
0.47
2.0
10
Max.
25
10
100
500
s Electrical characteristics (Vcc=15V, RT=10kΩ, CT=3.3nF, Ta=25˚C)
Reference voltage section
Item
Reference voltage
Line regulation
Load current regulation
Temperature regulation
Output current at short-circuit
Symbol
VREF
LINE
LOAD
VTC
IOS
Test condition
Tj=25˚C, IL=1mA
Vcc=10 to 25V
IL=0 to 20mA
Ta=–25 to 85˚C
Tj=25˚C
Min.
4.75
Oscillator section
Item
Oscillation frequency
Voltage stability
Temperature stability
Oscillation amplitude
Discharge current
Symbol
fOSC
fdv
fdt
VOSC
IDISCHG
Test condition
Tj=25˚C
Ta=–25 to 85˚C
Vcc=10 to 25V
Ta=–25 to 85˚C
Tj=25˚C
Tj=25˚C
Min.
49
47
Error amplifier section
Item
Input voltage
Input leak current
Open-loop gain
Unity gain bandwidth
Output source current
Output sink current
Output voltage
Symbol
VFB
IFB
AV
fT
ISOURCE
ISINK
VH COMP
VL COMP
Test condition
COMP=2.5V, Tj=25˚C
Min.
2.4
FB=2.3V, COMP=0V
FB=2.7V, COMP=1V
FB=2.3V, RL=15kΩ to GND
FB=2.7V, RL=15kΩ to VREF
65
0.7
–0.8
2
4.0
Current sensing section
Item
Voltage gain
Maximum input signal
Input bias current
Delay to output
Symbol
AV IS
VTH IS
IIS
TPD
Test condition
Tj=25˚C
FB=0V
Tj=25˚C, ISNS to OUT
Min.
2.85
0.9
Unit
V
nF
kΩ
kHz
Typ.
5.00
±3
±3
±0.3
60
Typ.
52
±0.25
–0.07
1.6
8.4
Typ.
2.5
72
1
–1.0
15
4.5
80
Typ.
3
1.0
–1
150
Max.
5.25
±20
±25
Max.
55
57
±1
Max.
2.6
±2
500
Max.
3.15
1.1
–5
300
Unit
V
mV
mV
mV/˚C
mA
Unit
kHz
kHz
%
%/˚C
V
mA
Unit
V
µA
dB
MHz
mA
mA
V
mV
Unit
V/V
V
µA
ns
3
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