FA3675F Datasheet, PDF (4/8 Pages) Fuji Electric – For Switching Power Supply Control

s Electrical characteristics (Ta=25°C, Vcc1=Vcc2=6V, CT=100pF, RT=10kΩ)
Reference voltage section
Item
Output voltage
Load regulation
Line regulation
Output voltage variation due to temperature change
Symbol
VREF
VRFLOD
VRFLIN
VRTa
Test condition
No load
No load to RL=15kΩ
VCC=2.5 to 18V
Ta=–20 to +85°C
Regulated voltage section
Item
Output voltage
Load regulation
Line regulation
Output voltage variation due to temperature change
Symbol
VREG
VRG LOD
VRG LIN
VRGTa
Test condition
No load
No load to RL=3.9kΩ
VCC=2.5 to 18V
Ta=–20 to +85°C
Oscillator section
Item
Oscillation frequency
Frequency variation due to supply voltage change
Frequency variation due to temperature change
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
fOSC
fdV
fdT
Test condition
RT=10kΩ, CT=100pF
VCC=2.5 to 18V
Ta=–20 to +25°C
Ta=+25 to +85°C
Symbol
VIOF
VICOM
AVOL
fT
IFBL
IFBH
Test condition
VFB=VREF +0.05V
VFB=VREF -0.05V
Soft-start circuit section 1 (CS1, CS2, CS3)
Item
Input threshold voltage
Charge current
Symbol
VCSO
VCS100
ICS
Soft-start circuit section 2 (CS4, CS5)
Item
Input threshold voltage
Charge current
Symbol
VCSO
VCS100
ICS
Test condition
Duty cycle=0%
Duty cycle=100%
VCS=0V
Test condition
Duty cycle=0%
Duty cycle=100%
FA3675F
Min.
0.99
Typ.
1.00
7
3
± 0.5
Max. Unit
1.01 V
15
mV
10
mV
±1.0 %
Min.
2.134
Typ.
2.20
2
6
± 0.5
Max. Unit
2.266 V
10
mV
20
mV
±1.0 %
Min.
432
Typ.
480
±1
±3
±7
Max. Unit
528
kHz
±3
%
±6
%
± 14
Min.
0.2
70
2.5
Typ.
2
75
1.0
3.5
–0.18
Max.
10
1.5
–0.14
Unit
mV
V
dB
MHz
mA
mA
Min.
0.36
1.11
–7.5
Typ. Max. Unit
0.46 0.56 V
1.31 1.51 V
–5.0 –2.5 µA
Min.
0.36
1.11
Typ. Max. Unit
0.46 0.56 V
1.31 1.51 V
0
µA
125