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FA5546 Datasheet(PDF) 9 Page - Fuji Electric

Part # FA5546
Description  Switching Power Supply Control IC
Download  27 Pages
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Manufacturer  FUJI [Fuji Electric]
Direct Link  http://www.fujielectric.co.jp/eng/fdt/scd
Logo FUJI - Fuji Electric

FA5546 Datasheet(HTML) 9 Page - Fuji Electric

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AN-027E Rev.0.4
April -2011
9
Fuji Electric Co., Ltd.
http://www.fujielectric.co.jp/products/semiconductor/
FA5546/47
High-voltage input section
(VH pin、VCC pin)
Item
Symbol
Conditions
MIN
TYP
MAX
Unit
IHrun
VH=450V,
VCC > VCCon
90
130
170
uA
Input Current of VH pin
IHstb
VH =120V,
VCC =0V
3.5
6.2
9.0
mA
Threshold voltage level at
brown-out (VH pin)
VthBO
VH pin：
Decreasing
92
99
106
V
Threshold voltage level at
Brown-in (VH pin)
VthBI
VH pin：
Increasing
97
104
111
V
Brown-out Delay time
TpdBO
45
50
55
ms
VCCBH
VH=80V,
Upper level
17
18
19
V
VCC voltage at Brown‐out
VCCBL
VH=80V,
Lower level
14.5
15.5
16.5
V
VCCLH
H
VH =120V,
1 time clamp
13
14.5
16
V
VCCLH
VH=120V,
Upper level
12
13
14
V
VCC voltage at Latch
VCCLL
VH =120V,
Lower level
11
12
13
V
Ipre1
VCC =16V,
VH =120V
-8
-4.9
-2
mA
Charge current for VCC pin
Ipre2
VCC =11V,
VH =120V
at Latch
-8.2
-5.3
-2.8
mA
Power supply current
(VCC pin)
Item
Symbol
Conditions
MIN
TYP
MAX
Unit
ICCop1
Duty cycle=Dmax
VFB=2V,OUT=No
Load
1.0
1.3
1.6
mA
Operating-state
supply current
ICCop2
Duty cycle=0%
VFB=0V
0.95
1.25
1.55
mA
Supply current at Brownout
ICCbo
VH=80V,
FB=open
VCC=14.5V
600
800
1100
uA
Latch mode supply current
ICClat
FB=open,
VCC=11V
600
800
1100
uA
VCC pin zenner clamp
voltage
VCCzd
OUT：No Load
Icc=2mA
28
30
34
V
*1:This parameter is not 100% tested in production but guaranteed by design.
It doesn’t guarantee the column of ‘-’ to have been specified.


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