AC/DC converter
AC220V input, 12V/100mA output
BP5041A
Dimension(Unit : mm)
Absolute Maximum Ratings
Parameter
Input voltage
Symbol
Vi
Limits
390
Unit
V
11.5MAX.
32.5MAX.
Output current
Io
100
mApk
kV
ESD enduration
Vsurge
Topr
Tstg
2
Operating temperature range
Storage temperature range
−25 ~ +80
−25 ~ +105
°C
1
3
5
7
10
0.25±0.05
0.5
±
0.1
0.2
°C
1.3
±
4.75MAX.
P=5.08
±
0.2
3.25MAX.
6.75MAX.
22.86
Electrical Characteristics
Derating Curve
Derating Curve
120
Parameter
Input voltage range
Output voltage
Symbol Min.
Typ.
Max.
Conditions
DC(160~276VAC)
Vi=282V, Io=50mA
Vi=282V
Unit
V
226
11.0
0
390
13.0
100
0.15
0.15
0.15
−
Vi
Vo
Io
282
12.0
−
V
100
80
mA
V
Output current
1
2
2
60
Operation Range
Line regulation
Vi=226~390V, Io=50mA
Vi=282V, Io=0~50mA
Vi=282V, Io=50mA
Vi=282V, Io=100mA
−
Vr
Vl
Vp
η
0.02
0.05
0.05
62
40
20
0
V
Load regulation
Output ripple voltage
Power conversion effciency
−
Vp-p
%
−
-30 -20 -10
0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(°C)
50
1 Maximum output current varies depending on ambient temperature ; please refer to derating curve.
2 Please refer to Load regulation, Conversion effciency.
Switching Frequency
Switching Frequency
(Ta=25°C, Vi=282V)
45
40
35
30
25
20
15
10
5
Application circuit
Pin No.
1
Function
Output terminal Vo(12V)
Not used
BP5041A
2
0
3
N.C.
0
20
40
60
80
100
4
Not used
Please note that pin No.10
Output Current Io(mA)
5
COMMON
side is input.
6
7
8
Not used
N.C.
Conversion Efficiency
Not used
10
FUSE
7
5
3
1
9
Not used
Conversion Efficiency
(Ta=25°C, Vi=282V)
10
Input terminal Vi(141VDC)
100
Output
+12V
R1
10Ω1/4W
0.5A
D1
80
60
40
20
0
C2
C3
Input
AC100V
50Hz/60Hz
+
−
+
−
ZNR
C1
100µF/50V
0.1µF
4.7µF/450V
Be sure to use fuse for safety.
For acutual usage, Please kindly evaluate and confirm our part mounted in your product,
Especially, Please make sure to confirm whether the load current exceed Max. rated current
by using the current probe.
0
20
40
60
80
100
Output Current Io(mA)
Load Regulation
Load Regulation
External components setting
(Ta=25°C, Vi=282V)
13.0
FUSE: Fuse
Please make sure to use quick acting fuse 0.5A
12.8
12.6
12.4
12.2
12.0
11.8
11.6
11.4
11.2
11.0
C1: Capacitor for input
voltage smoothing
Capacitance : 3.3µF~22µF Rated voltage : 450V or higher
Ripple current is 0.13Arms above.
Capacitance : 0.1µF~0.22µF Rated voltage : 400V or higher
Film capacitor or ceramic capacitor. Reduce the noise terminal voltage.
The constant value should be evaluated in the set.
C2: For noise terminal
voltage reduction
0
20
40
60
80
100
C3: Capacitor for Output
voltage smooting
Capacitance : 100µF~470µF Rated voltage : 25V or higher,
ESR is 0.39Ω max. Ripple current is 0.1Arms above.
Output Current Io(mA)
Output noise voltage is influenced.Please evaluate it in the actual set.
Surface Temperature Rising
D1: Rectifier diode
In the absolute maximum ratings, the reverse peak voltage should be
800V or higher, the average rectifying current should be 0.5A or higher,
and the peak surge current should be 20A or higher.
Surface Temperature Rising
(Ta=25°C,Vi=282V)
50
40
30
20
10
0
(Full-wave rectifier can be used in out part.)
10Ω~22Ω 1/4W
R1: For noise terminal
voltage reduction
Reduce the noise terminal voltage.The constant value should be evaluated
in set.
Varistor must be used. It protects this part from lightning surge and static
electricity.
ZNR: Varistor
0
20
40
60
80
100
Output Current Io(mA)
1/2