FA3629AV Datasheet, PDF (3/7 Pages) Fuji Electric – For Switching Power Supply Control

Soft-start and duty section
Item
Charge current of CS (Source)
Charge current of CS3 (Sink)
Max. duty cycle of OUT1 & OUT2
Max. duty cycle of OUT3
Invalid TL threshold voltage of CS
Invalid TL threshold voltage of CS3
Symbol
ICS
ICS3
Dmax
Dmax3
VCSLO
VCSHI
Timer latch section (TL)
Item
Threshold voltage of FB1 (Ch.1)
Threshold voltage of FB2 (Ch. 2)
Threshold voltage of FB3 (Ch. 3)
Start up count
Start up time
Error amplifier section
Item
Input offset voltage
Common mode input voltage range
DC open loop gain
Unity gain band width
Sink current (Ch.1)
Source current (Ch.1)
Sink current (Ch. 2)
Source current (Ch. 2)
Sink current (Ch. 3)
Source current (Ch. 3)
Sink current variation with temperature
Source current variation with temperature
Overcurrent protection section (OCP)
Item
Threshold current
Symbol
VTLTH1
VTLTH2
VTLTH3
count
TTL
Symbol
VIO
VCOM
AVO
fT
IOL1
IOH1
IOL2
IOH2
IOL3
IOH3
IOL-TC1
IOL-TC2
IOH-TC1
IOH-TC2
Symbol
IOCDTH
Delay time
fOCD
Overheat protection section (OHP)
Item
Threshold temperature
Symbol
TOH
Undervoltage lockout circuit section (UVLO)
Item
Threshold voltage of REG
Symbol
VUVTH
Test condition
fOSC=500kHz
fOSC=500kHz
Test condition
CT=150pF
Test condition
VFB1=0.5V
VFB1=VREG –0.5V
VFB2=0.5V
VFB2=VREG –0.5V
VFB3=0.5V
VFB3=VREG –0.5V
Ta=–20 to +25°C
Ta=+25 to +85°C
Ta=–20 to +25°C
Ta=+25 to +85°C
Test condition
VCC=3.0V
VCC=5.0V
Test condition
Test condition
FA3629AV
Min.
–1.2
0.8
80
80
0.42
1.58
Typ.
–1.0
1.0
87
86
0.52
1.68
Max. Unit
–0.8 µA
1.2
µA
90
%
90
%
0.62 V
1.78 V
Min.
1.58
1.58
0.42
–
105
Typ.
1.68
1.68
0.52
2¹⁶
119
Max.
1.78
1.78
0.62
–
137
Unit
V
V
V
counts
ms
Min.
0.2
70
1.0
1.0
–160
0.5
–160
1.0
–160
Typ.
75
1.7
1.5
–120
0.7
–120
1.5
–120
Max.
10
1.5
80
2.0
2.0
–80
0.9
–80
2.0
–80
20
20
20
20
Unit
mV
V
dB
MHz
mA
µA
mA
µA
mA
µA
%
%
%
%
Min.
1.4
1.8
100
Typ.
1.8
2.0
200
Max. Unit
2.0
A
2.2
A
400
ns
Min.
125
Typ.
135
Max. Unit
145
°C
Min.
1.95
Typ.
2.05
Max. Unit
2.15 V
3