FA7764 データシートの表示（PDF） - Fuji Electric
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FA7764 Datasheet PDF : 18 Pages
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FA7764
(6)Under voltage lockout circuit section (VCC pin)
Item
Symbol
Condition
ON threshold voltage
OFF threshold voltage
Hysteresis voltage
VUVLOON
VUVLOOFF
VUVLOHYS
IC is enabled.
IC is disabled.
MIN.
4.9
0.4
TYP.
6.9
5.9
1.0
MAX.
8.2
Units
V
V
V
(7)ON/OFF control section (ENB pin)
Item
Symbol
Condition
MIN. TYP. MAX. Units
Source current of ENB
ON threshold voltage
OFF threshold voltage
IENB
VENBON
VENBOFF
VENB=0V
IC is enabled
IC is disabled *7
10
15
μA
1
V
2
V
*7 External voltage input is not necessary to the ENB pin because it clamps to the self-limited voltage near 5V.
(8)Thermal shutdown section
Item
Symbol
Thermal shutdown enable
Thermal shutdown disable
TOHPON
TOHPON
Condition
Output is disabled
Output is enabled
MIN.
125
TYP.
135
115
MAX.
Units
°C
°C
(9)Output section (OUT pin)
Item
Symbol
On resistance of built-in
P-channel MOSFET
RONP
Current limit
Short circuit detect current
Open diode detect voltage
Maximum duty limit
IOLMT12
IOLMT42
IOSH
VDOP
DMAX
Condition
VCC=10V，IDS=1.0A
Ta=85°C
VCC=10V，IDS=1.0A
VCC=12V
VCC=42V
VCC=42V
MIN.
2.3
2.5
4.0
-10
TYP.
0.8
1.2
3.0
3.5
6.0
-9
95
MAX. Units
1.0
Ω
1.5
Ω
3.7
A
5.0
A
8.5
A
-8
V
%
(10)Overall section (VCC,VBIAS pin)
Item
Symbol
Condition
Switching at non-load
Supply current (VCC)
ICCVCC
(at VBIAS<3.1V)
Switching at non-load
(at VBIAS>3.1V)
ICCSTBVCC Stand by (ENB=open)
Switching at non-load
Supply current (VBIAS)
ICCVBIAS
(at VBIAS<3.1V)
Switching at non-load
(at VBIAS>3.1V)
ICCSTBVBIAS Stand by (ENB=open)
MIN.
TYP.
0.85
0.5
50
0
MAX. Units
1.5
mA
1.0
100 μA
20
μA
0.5
0.8 mA
0
20
μA
Fuji Electric Systems Co., Ltd.
AN-059E Rev.1.0
8
June.2010
http://www.fujielectric.co.jp/fdt/scd/
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