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PDF FA5641 Data sheet ( Hoja de datos )
| Número de pieza | FA5641 | |
| Descripción | Switching Power Supply Control IC | |
| Fabricantes | Fuji | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de FA5641 (archivo pdf) en la parte inferior de esta página. Total 35 Páginas | ||
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FA5640/41/42
Fuji Switching Power Supply Control IC
Green mode Quasi-resonant IC
FA5640/41/42
Application Note
Fuji Electric Co., Ltd.
AN-064E Rev.1.1
April 2011
April 2011
Fuji Electric Co., Ltd.
1 http://www.fujielectric.co.jp/products/semiconductor/
1 page  
FA5640/41/42
4. Block diagram
FA5640
ZCD
ZCD
Bottom
detection
Bottom Skip
control
7.5V
30k
Pulse width
detection
Restart Timer
25μs
VH
1 shot
(290ns)
set
enb
Input
voltage
detection
mode select
signal
VinH
Startup
management
11V/9V
UVLO
Startup
Current
14V/8V
VCC
4.8V
MP1
Off timer
(2μs)
4.8V Reg.
Resistance ratio
MP1 on/off
24k
91.3%/100%
84.1%/100%
VinH
- Disable
4.8V
10μA
+
VthFB0
0.45V
0.35V
VinH
IS
FB 1/6
Current
comparator
Reset
Max. Ton
(24μs)
SQ
R2
R1
Standby
0.55V
Standby
detection
Soft start
(1ms)
Overload
3.5/3.3V
VthIS
VinH
0.5V
0.45V
VthIS at Standby
VinH
0.15V
0.10V
Timer
enb
200ms
1600ms
OLP
protection
Reset
Internal
supply
enb
Driver
OUT
Off timer
(4.5μs)
OVP
detection
OVP1
ZCD
Latch
protection
Latch timer
60μs
6V
GND
FA5641
Fuji Electric Co., Ltd.
AN-064E Rev.1.1
April 2011
5 http://www.fujielectric.co.jp/products/semiconductor/
5 Page 
FA5640/41/42
High voltage input part (VH pin)
Item
Supply Current of VH pin
Symbol
IVHrun
IVH1
Condition
Vvh=400V,
Vcc > Vstoff
Vvh=100V, VCC=6.5V
MIN.
10
4.0
IVH0 Vvh=100V, VCC=0V
0.49
Charge current for VCC pin
The threshold voltage to change
input voltage mode setting at DC
input
Hysteresis voltage width at DC
input only
The threshold voltage to change
input voltage mode setting at AC
input (AC RMS conversion
voltage)
Delay time of changing input
voltage mode setting
Ipre1
Ipre2
VHdcH
VHdcL
VHdcHys
VHac
TpdVH
Vcc=8V, Vvh=100V
Vcc=13V, Vvh=100V
At UVLO mode
FA5640,FA5641
Vcc>Vstoff
VH pin input voltage is
increasing by DC
voltage.
FA5640,FA5641
Vcc>Vstoff
VH pin input voltage is
decreasing by DC
voltage.
FA5640,FA5641
VH: DC voltage input
VHdcH-VHdcL
FA5640,FA5641
Vcc>Vstoff
VH pin input Voltage is
half-wave rectified AC
waveform.
FA5640,FA5641
Vcc>Vstoff
(VCC charge off)
-10
-9
200
190
8
141
11
TYP.
30
MAX.
60
Unit
uA
8.0 10.5 mA
0.7 1.4 mA
-7.4 -3.7 mA
-5.7 -3 mA
226 250 V
212 235 V
14 18 V
160 177 Vrms
30 70 ms
Low voltage malfunction protection circuit (UVLO) part (VCC pin)
Item
Start-up threshold voltage
Shutdown threshold voltage
Hysteresis (UVLO)
Istart-up off voltage
Istart-up restart voltage
Hysteresis width at Istart-up
Symbol
VCCon
VCCoff
Vhys1
Vstoff
Vstrst
Condition
FA5640,FA5641
Vcc Increasing
FA5642
Vcc Increasing
Vcc decreasing
FA5640,FA5641
VCCon-VCCoff
FA5642
VCCon-VCCoff
Vcc Increasing
Vcc decreasing
MIN.
12.5
TYP.
14
MAX.
15.5
Unit
V
9 10 11 V
7 8 9V
5 6 7V
1.5 2 2.5 V
9.5 11 12.5 V
8 9 10 V
Fuji Electric Co., Ltd.
AN-064E Rev.1.1
April 2011
11 http://www.fujielectric.co.jp/products/semiconductor/
11 Page | ||
| Páginas | Total 35 Páginas | |
| PDF Descargar | [ Datasheet FA5641.PDF ] | |
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