Data Sheet
100VAC Input/24VDC (50mA) Output
Non-Isolated AC/DC Converter
BP5034D24
Absolute Maximum Ratings
Dimensions (Unit : mm)
28.2MAX.
10.0MAX.
Parameter
Input voltage
Symbol
Vi
Limits
195
Unit
V
Output current
Io
50
mApk
kV
ESD endurance
Vsurge
Topr
Tstg
2
1
2
3
4
5
6
7
8
10
Operating temperature range
Storage temperature range
−20 to +80
−25 to +85
°C
°C
0.25± 0.05
0.5±0.1
P=2.54±0.2
2.54�9=22.86
1.3±0.2
3.5MAX.
3.25MAX.
6.5MAX.
Electrical Characteristics
Derating Curve
Parameter
Input voltage range
Output voltage
Symbol Min.
Typ.
141
24.0
−
0.02
0.05
0.05
72
Max.
195
26.0
50
Conditions
DC(80 to 138VAC)
Vi=141V, Io=25mA
Vi=141V
Vi=113 to 195V, Io=50mA
Vi=141V, Io=0 to 25mA∗2
Vi=141V, Io=25mA
Unit
V
V
mA
V
V
Derating Curve
60
113
22.0
0
−
−
Vi
Vo
Io
50
40
30
Output current
∗1
Operation Range
20
Line regulation
Load regulation
Output ripple voltage
Power conversion efficiency
0.1
Vr
Vl
Vp
η
10
0
0.15
0.15
−
-30 -20 -10
0 10 20 30 40 50 60 70 80 90
Vp-p
%
−
65
Ambient Temperature Ta(°C)
Vi=141V, Io=50mA
∗2
∗1 Maximum output current varies depending on ambient temperature ; please refer to derating curve.
∗2 Please refer to Load regulation, Conversion efficiency.
Switching Frequency
Switching Frequency
(Ta=25°C, Vi=141V)
140
120
100
80
60
40
20
0
Application Circuit
BP5034D24
Pin No.
Function
1
2
Output terminal Vo(24V)
N.C.
Please note that pin No.10
side is input.
3
N.C.
0
10
20
30
40
50
4
N.C.
Output Current Io(mA)
5
COMMON
6
COMMON
10
FUSE
8 7 6 5 4 3 2 1
7
N.C.
Conversion Efficiency
8
N.C.
R1
10Ω1/4W
Output
+24V
D1
0.5A
9
Not used
Conversion Efficiency
1SR35−400A
(Ta=25°C, Vi=141V)
10
Input terminal Vi(141VDC)
80
C2
Input
AC100V
50Hz/60Hz
C3
70
60
50
40
30
20
10
0
+
−
+
−
ZNR
C1
100µF/50V
0.1µF
10µF/250V
220V
Be sure to use fuse for safety.
Please verify operation and characteristics in the customer's circuit before actual usage.
Ensure that the load current does not exceed the maximum rating.
0
10
20
30
40
50
Output Current Io(mA)
External Component Specifications
Load Regulation
FUSE: fuse
Use a quick-acting fuse of 0.5A
Load Regulation
C1: Input smoothing
capacitor
Capacitance : 3.3µF to 22µF
Rated voltage : 250V or higher
(Ta=25°C, Vi=141V)
26.0
25.6
25.2
24.8
24.4
24.0
23.6
23.2
22.8
22.4
22.0
Capacitance : 0.1µF to 0.22µF
Rated voltage : 250V or higher
Use a film or ceramic capacitor. Evaluate under actual operating
conditions.
C2: Noise reduction
capacitor
C3: Output smoothing
capacitors
Capacitance : 100µF to 470µF
Rated voltage : 35V or higher, low impedance
Impedance is 0.39Ω max. at high frequencies.
Ripple current 0.1 Arms or greater.
0
10
20
30
40
50
Output Current Io(mA)
Capacitor impedance affects the output ripple voltage.
Surface Temperature Increase
Surface Temperature Increase
In the absolute maximum ratings, the reverse surge voltage should be
400V or higher, the average rectifying current should be 0.5A or higher,
and the forward surge current should be 20A or higher.
D1: Rectifier diode
(Ta=25°C, Vi=141V)
40
35
30
25
20
15
10
5
10Ω to 22Ω 1/4W
Determine the ideal value through actual testing.
R1: Noise reduction
resistor
A varistor is required to protect against lightning surges and static
electricity.
ZNR: Varistor
0
0
10
20
30
40
50
Output Current Io(mA)
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©2010 ROHM Co., Ltd. All rights reserved.
2010.01 - Rev.A
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