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参数资料
| 型号： | FA7738N |
| 厂商： | FUJI ELECTRIC CO LTD |
| 元件分类： | 稳压器 |
| 英文描述： | 5.5 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | SOP-8 |
| 文件页数： | 18/19页 |
| 文件大小： | 484K |
| 代理商： | FA7738N |
8
FA7738N/P
(6)Under voltage lockout circuit section (VCC pin)
Item
Symbol
Condition
MIN.
TYP.
MAX.
Units
ON threshold voltage of VCC
VUVLOON
IC is enabled.
6.9
8.2
V
OFF threshold voltage of VCC
VUVLOOFF
IC is disabled.
4.9
5.9
V
Hysteresis voltage
VUVLOHYS
0.4
1.0
V
(7)ON/OFF control section (EN pin)
Item
Symbol
Condition
MIN.
TYP.
MAX.
Units
Charge current of ENB
IENB
VENB=0V
10
15
μA
ON threshold voltage of ENB
VENBON
IC is enabled
1
V
OFF threshold voltage of ENB
VENBOFF
IC is disabled
*7
2
V
*7 Normally ENB pin is open, this terminal voltage is fixed at about 5V, for input voltage for this terminal is not necessary.
(8)Thermal shutdown section
Item
Symbol
Condition
MIN.
TYP.
MAX.
Units
Thermal shutdown on
TOHPON
Output is disabled
125
135
°C
Thermal shutdown off
TOHPON
Output is enabled
115
°C
Thermal shutdown hysteresis
TOHPHYS
20
°C
(9)Output section (OUT pin)
Item
Symbol
Condition
MIN.
TYP.
MAX.
Units
VCC=10V，IDS=1.0A
0.8
1.0
High side on resistance
RONP
Ta=85°C
VCC=10V，IDS=1.0A
1.2
1.5
Current limit
IOLMT
2.5
4
5.5
A
(10)Overall section (VCC,VBIAS pin)
Item
Symbol
Condition
MIN.
TYP.
MAX.
Units
Switching at non-load
(at VBIAS<3.1V)
0.75
1.5
ICCVCC
Switching at non-load
(at VBIAS>3.1V)
0.4
1.0
mA
Supply current (VCC)
ICCSTBVCC Stand by (ENB=open)
50
100
μA
Switching at non-load
(at VBIAS<3.1V)
0
20
μA
ICCVBIAS
Switching at non-load
(at VBIAS>3.1V)
0.4
0.7
mA
Supply current (VBIAS)
ICCSTBVBIAS Stand by (ENB=open)
0
20
μA
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