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參數(shù)資料
| 型號： | FA7704V |
| 廠商： | FUJI ELECTRIC CO LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.4 A DUAL SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | 1.10 MM, TSSOP-16 |
| 文件頁數(shù)： | 20/21頁 |
| 文件大?。?/td> | 242K |
| 代理商： | FA7704V |
8
Quality is our message
FA7703/04
(7) Under Voltage Lock-Out Section (VCC terminal)
Item
Symbol
Conditions
MIN.
TYP.
MAX.
Units
ON threshold
VCCON
2.00
2.25
V
OFF threshold
VCCOF
1.40
1.85
V
Hysteresis Voltage
VCCHY
0.05
0.15
0.35
V
Ta=-30 to +25
°C
+0.3
mV/°C
Variation
with temperature
VCCHY
Ta=+25to +85
°C
-0.1
mV/
°C
(8) Soft Start Section (CS terminal)
Item
Symbol
Conditions
MIN.
TYP.
MAX.
Units
Output source current
ICS
CS=0V
-2.8
-2.2
-1.6
A
Threshold Voltage1
VCS0
Duty Cycle=0%
0.550
0.650
0.750
V
Threshold Voltage2
VCS50
Duty Cycle=50%
0.880
V
(9) Short circuit Protection Section (FB terminal, CS terminal)
Item
Symbol
Conditions
MIN.
TYP.
MAX.
Units
Short Detection
Threshold Voltage
VFBTH
FB terminal voltage
1.350
1.500
1.650
V
Latched Mode
Threshold Voltage
VCSTH
CS terminal voltage
1.900
2.000
2.100
V
Latched Mode
Reset Voltage
VCSRE
CS terminal voltage
1.830
V
Latched Mode
Hysteresis
VCSHY
CS terminal voltage
30
170
300
mV
VCSCL1
FB terminal voltage<1.35V
1.200
1.270
1.340
V
CS terminal
Clamped Voltage
VCSCL2
FB terminal voltage>1.65V
2.120
2.200
2.280
V
(10) Output Stage Section (OUT1,OUT2 terminal,SEL1 terminal)
Item
Symbol
Conditions
MIN.
TYP.
MAX.
Units
High side on resistance
RONH
VCC=6V,Source Current=-50mA
10
20
High side on resistance
RONH
VCC=2.5V,Source
Current=-50mA
18
36
Low side on resistance
RONL
VCC=6V,Sink Current=+50mA
5
10
Low side on resistance
RONL
VCC=2.5V,Sink Current=+50mA
5
10
trn
330pF Load to GND terminal
20
ns
Rise Time
trp
330pF Load to VCC terminal
20
ns
tfn
330pF Load to GND terminal
35
ns
Fall Time
tfp
330pF Load to VCC terminal
35
ns
VSEL1L
Pch-MOSFET,
PNP transistor driving
0
0.2
V
SEL1 terminal Input
Voltage
VSEL1H
Nch-MOSFET,
NPN transistor driving
VREG-
0.2
VREG
V
(11) Overall Section (VCC terminal)
Item
Symbol
Conditions
MIN.
TYP.
MAX.
Units
ICC0
Duty Cycle=0%,OUT1/2:open
CS=0V, FB1,FB2
≈VREG
RT=22k
,f
≈190kHz
1.3
1.9
mA
ICC1
Duty Cycle=80%,OUT1/2:open
RT=22k
,f
≈190kHz
1.8
2.7
mA
Operating mode
Supply Current
ICC2
Duty Cycle=80%,OUT1/2:open
RT=3k
,f
≈1MHz
3.1
4.7
mA
Latched mode
Supply Current
ICCLAT
CS>2.1V,FB1,FB2
≈VREG,
RT=22k
,f
≈190kHz
1.3
1.9
mA
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