參數(shù)資料
型號： FA7701V
廠商： FUJI ELECTRIC CO LTD
元件分類： 穩(wěn)壓器
英文描述： 0.4 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO8
封裝： TSSOP-8
文件頁數(shù)： 8/13頁
文件大?。?/td> 182K
代理商： FA7701V
FA7700V, FA7701V
4
Soft start section (CS terminal voltage)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Threshold voltage 1
VCS0
Duty cycle=0%
0.560
0.660
0.760
V
Threshold voltage 2
VCS50
Duty cycle=50%
0.880
V
ON/OFF section (CS terminal voltage)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
ON/OFF threshold
VONOF
0.150
0.300
0.450
V
Threshold variation with temperature
VONTC
Ta = –30 to 85
°C
+0.5
mV/
°C
Timer latched short circuit protection section (FB terminal, CS terminal)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
Short detection threshold voltage
VFBTH
FB terminal voltage
1.350
1.500
1.650
V
Latched mode threshold voltage
VCSTH
CS terminal voltage
2.050
2.200
2.350
V
Latched mode reset voltage
VCSRE
CS terminal voltage
1.700
2.030
2.300
V
Latched mode hysteresis
VCSHY
CS terminal voltage
50
170
350
mV
CS terminal clamped voltage
VCSCL1
FB terminal<1.35V, CS sink current= +1
A
1.400
1.500
1.600
V
VCSCL2
FB terminal>1.65V, CS sink current= +150
A
4.500
5.500
6.500
V
Overall section (Supply current to VCC terminal)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
OFF mode supply current
ICCST1
CS terminal=0V
40
100
A
Operating mode supply current
ICC0
Duty cycle=0%, OUT:Open, IN–=0V, FB:Open
0.9
1.5
mA
ICC1
Duty cycle=50%, OUT:Open, IN–, FB:Shorted
1.2
2.0
mA
Latched mode supply current
ICCLAT
CS terminal >2.35V, IN–=0V, FB:Open
0.9
1.5
mA
Output stage section (OUT terminal)
Item
Symbol
Test condition
Min.
Typ.
Max.
Unit
High side on resistance
RONH
VCC=6V, source current= –50mA
10
20
RONH
VCC=2.5V, source current= –50mA
18
36
Low side on resistance
RONL
VCC=6V, sink current= +50mA
5
10
RONL
VCC=2.5V, sink current= +50mA
5
10
Rise time
FA7700
tr
330pF load to GND terminal
20
ns
FA7701
330pF load to VCC terminal
25
ns
Fall time
FA7700
tf
330pF load to GND terminal
45
ns
FA7701
330pF load to VCC terminal
40
ns
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