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PDF FA5573 Data sheet ( Hoja de datos )

Número de pieza FA5573
Descripción Switching Power Supply Control IC
Fabricantes Fuji 
Logotipo Fuji Logotipo



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No Preview Available ! FA5573 Hoja de datos, Descripción, Manual

FA557171A72737455705671
Fuji Switching Power Supply Control IC
Green mode Quasi-resonant IC
FA5571/71A/72/73/74/
5570/5671
Application Note
Fuji Electric Co., Ltd.
AN-022E Rev.1.5
April 2011
1
http://store.iiic.cc/
April 2011
Fuji Electric Co., Ltd.
http://www.fujielectric.co.jp/products/semiconductor/

1 page




FA5573 pdf
FA557171A72737455705671
4. Block diagram
FA5571/71A/70/5671
ZCD Valley
detection
5V
Time out
(14μs)
IS
5V
Reset
Max. fsw
Blanking
(120kHz)
170kHz:5571A/5671
Disable
0.4V Current
comparator
1/2
FB 1/4:FA5671 Only
Overload
Soft start
(2.6ms)
1V
0.5V:FA5671 Only
3.5/3.3V
1 shot
(380ns)
CLR
Start up
management
Logic
10.5V/9V
Start up
Current
VH
VCC
5V Reg.
UVLO
Internal
supply
18V/8V
SQ
R
Driver
OUT
ZCD
OVP
Timer
(2.3μs)
4.5us:FA5571A
5570/5671:ZCD OVP
(2.3us)Nonfunctional
Timer
190ms
1520ms
Reset
IS
OCP2
2V
5570/5671:Nonfunctional
Timer
(57μs)
Latch
VCC
OVP1
FA5671Only:Function 28V
GND
FA5572
ZCD Valley
detection
5V
Time out
(14μs)
IS
5V
Reset
Max. fsw
Blanking
(120kHz)
Disable
0.4V Current
comparator
1/2
FB
1/2:FA5572
Soft start
(2.6ms)
1V :FA5572
Overload
3.5/3.3V
1 shot
(380ns)
CLR
Start up
management
Logic
10.5V/9V
Start up
Current
VH
VCC
SQ
R
Timer
190ms
Reset
5V Reg.
Internal
supply
UVLO
18V/8V
Driver
OUT
ZCD
OVP
Timer
(2.3μs)
IS
OCP2
Timer
(57μs)
2V :FA5572
Latch
GND
Fuji Electric Co., Ltd.
AN-022E Rev.1.5
April 2011
5
http://store.iiic.cc/
http://www.fujielectric.co.jp/products/semiconductor/

5 Page





FA5573 arduino
7. Characteristic curve
FA557171A72737455705671
Unless otherwise specified : Ta=25 , VCC=15V(*FA5571)
“+” shows sink and “–“ shows source in current prescription.
Data listed here shows the typical characteristics of an IC and does not guarantee the characteristics.
Maximum fsw blanking (Fmax)
vs. VCC pin voltage (VCC)
128
Maximum fsw blanking (Fmax)
vs. Junction temperature (Tj)
128
124
124
120
120
116
116
112
5
10 15 20 25
VC C (V)
Maximum fsw blanking (Fmax)
vs. VCC pin voltage (VCC)
178
30
174
FA5571A
FA5671
170
166
162
5
10 15 20 25
VC C (V)
ZCD pin input threshold voltage
(Vt hzc d2)
vs. Junction temperature (Tj)
280
30
265
250
235
220
-50
Vzcd=increasing
0 50 100
Tj (degree)
150
112
-50
0 50 100
Tj (degree)
Maximum fsw blanking (Fmax)
vs. Junction temperature (Tj)
178
150
174
FA5571A
FA5671
170
166
162
-50
0 50 100
Tj (degree)
ZCD pin input threshold voltage
(Vt hzc d1)
vs. Junction temperature (Tj)
70
Vzcd=decreasing
65
150
60
55
50
-50
0 50 100
Tj (degree)
150
Fuji Electric Co., Ltd.
AN-022E Rev.1.5
April 2011
11
http://store.iiic.cc/
http://www.fujielectric.co.jp/products/semiconductor/

11 Page







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