AC/DC converter
AC100V input, 20V/80mA output
BP5034B20
●Dimension(Unit:mm)
●Absolute Maximum Ratings
Parameter
Input voltage
Symbol
Vi
Limits
Unit
V
28.2MAX.
10.0MAX.
195
80
Output current
ESD endurance
Io
mApk
kV
℃
Vsurge
Topr
Tstg
2
Operating temperature range
Storage temperature range
-20 ~+80
-25 ~+85
1ꢀ2ꢀ3ꢀ4ꢀ5ꢀ6ꢀ7ꢀ8ꢀ ꢀ10
0.25±0.05
℃
0.5±0.1
1.3±0.2
P=2.54±0.2
2.54×9=22.86
3.5MAX.
3.25MAX
6.5MAX.
●Electrical Characteristics
●Derating Curve
Parameter
Input voltage range
Output voltage
Output current
Line regulation
Load regulation
Output ripple voltage
Power conversion effciency
Symbol Min.
Typ.
Max.
Conditions
DC(80~138VAC)
Vi=141V, Io=50mA
Vi=141V
Vi=113~195V, Io=50mA
Vi=141V, Io=0~50mA
Unit
V
V
mA
V
V
Derating Curve
113
18.5
0
195
21.5
80
0.3
0.5
0.2
-
Vi
Vo
Io
141
20.0
-
100
90
80
70
60
*1
50
Operation Range
40
-
Vr
Vl
0.02
0.05
0.05
72
30
20
10
0
-
*2
Vp-p
%
Vi=141V, Io=50mA
Vi=141V, Io=80mA
-
Vp
η
-30 -20 -10
0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(℃)
65
*2
*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℃, Vi=141V)
140
120
100
80
60
40
20
0
●Application circuit
Pin No.
Function
1
2
Output terminal Vo(20V)
BP5034B20
N.C.
3
N.C.
0
20
40
60
80
4
N.C.
Please note that pin No.10
side is input.
Output Current Io(mA)
5
COMMON
COMMON
N.C.
6
7
●Conversion Efficiency
8
N.C.
10
FUSE
8 7 6 5 4 3 2 1
9
Not used
Input terminal Vi(141VDC)
Conversion Efficiency
(Ta=25℃, Vi=141V)
10
R1
10 1/4W
80
70
60
Output
D1
0.5A
1SR35-400A
+20V
C2
C3
65% Min-Line
Input
AC100V
50Hz/60Hz
+
+
-
ZNR
50
C1
40
30
20
10
0
-
100µF/50V
220V
0.1µF
10µF/250V
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 the load current does not exceed Max. rated current
by using the current probe.
0
20
40
60
80
Output Current Io(mA)
●Load Regulation
Load Regulation
External components setting
(Ta=25℃, Vi=141V)
21.5
FUSE: Fuse
Please make sure to use quick acting fuse 0.5A
21.2
20.9
20.6
20.3
20.0
19.7
19.4
19.1
18.8
18.5
C1: Capacitor for input
voltage smoothing
Capacitance : 3.3µF~22µF Rated voltage : 200V or higher
Ripple current is 0.13Arms above.
Capacitance : 0.1μF~0.22μF Rated voltage : 200V 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
C3: Capacitor for Output
voltage smooting
Capacitance : 100µF~470µF Rated voltage : 50V or higher,
ESR is 0.39 max. Ripple current is 0.1Arms above.
Output Current Io(mA)
Output noise voltage is influenced.Please evaluate it in the actual set.
In the absolute maximum ratings, the reverse peak voltage should be●Surface Temperature Rising
D1: Rectifier diode
Surface Temperature Rising
400V or higher, the average rectifying current should be 0.5A or higher,
(Ta=25℃, Vi=141V)
40
and the forward peak current should be 20A or higher.
(Full-wave rectifier can be used in our part.)
30
10 ~22 1/4W
R1: For noise terminal
voltage reduction
20
Reduce the noise terminal voltage.The constant value should be evaluated
in set.
10
Varistor must be used. It protects this part from lightning surge and static
electricity.
ZNR: Varistor
0
0
20
40
60
80
Output Current Io(mA)
1/2