FA3621F 데이터 시트보기 (PDF) - Fuji Electric
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FA3621F Datasheet PDF : 8 Pages
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FA3621F
s Electrical characteristics (Ta=25°C, Vcc1=Vcc2=6V, CT=100pF, RT=18kΩ)
Reference voltage section
Item
Output voltage
Line regulation
Output voltage variation due to temperature change
Symbol
VREF
VRLIN
VRTa
Test condition
VCC=4.5 to 18V
Ta=–20 to +85°C
Regulated voltage section
Item
Output voltage
Symbol
VREG
Test condition
Oscillator section
Item
Oscillation frequency
Frequency variation due to supply voltage change
Frequency variation due to temperature change
Symbol
fOSC
fdV
fdT
Test condition
RT=18kΩ, CT=100pF
VCC=4.5 to 18V
Ta=–20 to +25°C
Ta=+25 to +85°C
Error amplifier section
Item
Input offset voltage
Input common mode voltage range
Open-loop gain
Unity-gain bandwidth
Output sink current
Output source current
Symbol
VIOF
VICOM
AVOL
fT
IFBL
IFBH
Test condition
VFB=1.0V
VFB=0V
PWM control section
Item
Maximum duty cycle
Symbol
Dmax
Test condition
Soft-start circuit section 1 (CS1, CS2, CS3/4)
Item
Input threshold voltage
Charge current
Symbol
VCSO
VCS100
ICS
Test condition
Duty cycle=0%
Duty cycle=100%
Soft-start circuit section 2 (CS5, CS6)
Item
Input threshold voltage
Charge current
Symbol
VCSO
VCS100
ICS
Test condition
Duty cycle=0%
Duty cycle=100%
Min.
0.985
Typ.
1.00
3
±0.5
Max. Unit
1.015 V
10
mV
%
Min.
2.40
Typ.
2.67
Max. Unit
2.95 V
Min.
414
Typ.
460
±1
±1.5
±1.5
Max. Unit
506
kHz
±3
%
%
Min.
0.2
70
1.5
Typ.
75
1.2
2.8
–0.25
Max.
10
1.7
–0.15
Unit
mV
V
dB
MHz
mA
mA
Min.
Typ.
Max. Unit
100 %
Min.
–7.5
Typ. Max. Unit
0.78
V
1.38
V
–5.1 –2.5 µA
Min.
Typ. Max. Unit
0.79
V
1.40
V
0
µA
4
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