FA7700V Datasheet, PDF (4/13 Pages) List of Unclassifed Manufacturers – For Switching Power Supply Control

FA7700V, FA7701V
ON/OFF section (CS terminal voltage)
Item
ON/OFF threshold
Threshold variation with temperature
Symbol
VONOF
VONTC
Test condition
Ta = –30 to 85°C
Min.
0.150
Typ.
0.300
+0.5
Max.
0.450
Unit
V
mV/°C
Soft start section (CS terminal voltage)
Item
Threshold voltage 1
Threshold voltage 2
Symbol
VCS0
VCS50
Test condition
Duty cycle=0%
Duty cycle=50%
Min. Typ. Max. Unit
0.560 0.660 0.760 V
0.880
V
Timer latched short circuit protection section (FB terminal, CS terminal)
Item
Short detection threshold voltage
Latched mode threshold voltage
Latched mode reset voltage
Latched mode hysteresis
CS terminal clamped voltage
Symbol Test condition
Min. Typ. Max. Unit
VFBTH
FB terminal voltage
1.350 1.500 1.650 V
VCSTH CS terminal voltage
2.050 2.200 2.350 V
VCSRE CS terminal voltage
1.700 2.030 2.300 V
VCSHY CS terminal voltage
50
170
350
mV
VCSCL1 FB terminal<1.35V, CS sink current= +1µA
1.400 1.500 1.600 V
VCSCL2 FB terminal>1.65V, CS sink current= +150µA 4.500 5.500 6.500 V
Output stage section (OUT terminal)
Item
High side on resistance
Low side on resistance
Rise time
Fall time
FA7700
FA7701
FA7700
FA7701
Symbol
RONH
RONH
RONL
RONL
tr
tf
Test condition
VCC=6V, source current= –50mA
VCC=2.5V, source current= –50mA
VCC=6V, sink current= +50mA
VCC=2.5V, sink current= +50mA
330pF load to GND terminal
330pF load to VCC terminal
330pF load to GND terminal
330pF load to VCC terminal
Min.
Typ.
10
18
5
5
20
25
45
40
Max. Unit
20
Ω
36
Ω
10
Ω
10
Ω
ns
ns
ns
ns
Overall section (Supply current to VCC terminal)
Item
OFF mode supply current
Operating mode supply current
Latched mode supply current
Symbol
ICCST1
ICC0
ICC1
ICCLAT
Test condition
Min.
CS terminal=0V
Duty cycle=0%, OUT:Open, IN–=0V, FB:Open
Duty cycle=50%, OUT:Open, IN–, FB:Shorted
CS terminal >2.35V, IN–=0V, FB:Open
Typ.
40
0.9
1.2
0.9
Max. Unit
100
µA
1.5
mA
2.0
mA
1.5
mA
4