FA5332M Fuji Electric holdings CO.,Ltd, FA5332M Datasheet - Page 9

• Manufacturer Part Number: FA5332M
• Description: Bipolar Ic For Power Factor Correction
• Manufacturer: Fuji Electric holdings CO.,Ltd

FA5332P(M)
4. No-load operation
In the circuit shown in Fig.10, the following condition should be
meet to prevent from overvoltage and audible noise during no-
load or light-load operation.
R
and, R
• You can connect R
• If you connect R
• It is better not to connect R
2.5 < (R
5. How to prevent from intermittent switching of low
An intermittent switching, which frequency is lower than 10Hz,
occurs in some applications.
In this case, it is possible to prevent from this intermittent
switching to reduce feedback gain by decreasing the
resistance of R4. (See Fig. 2)
You must check the effect thoroughly because this intermittent
switching depends on load, temperature and input condition.
66
extend.
effective for stable operation to connect R
gain of current error amplifier.
If R
n
frequency
X
27
X
is connected, connect R
: don’t connect.
OFST
/R
X
) < 2.9 (including tolerance of the resistor)
OFST
5
which is series with capacitor C
, dead time of AC input current will
X
. But in some application, it is
OFST
as the following condition.
X
which reduce DC
3
.
Current
detection
Rx
Rn
R5
R
C3
OFST
Cn
Fig.10
C2
13 REF
16
2
1
IIN–
FA5332
IFB
IDET