Data Sheet
100VAC Input/12VDC (30mA) Output
Non-Isolated AC/DC Converter
BP5038A
Absolute Maximum Ratings
Parameter
Input voltage
Output current
ESD endurance
Operating temperature range
Storage temperature range
Symbol
Vi
Io
Vsurge
Topr
Tstg
Limits
170
30
2
−20
to
+80
−20
to
+85
Unit
V
mApk
kV
°C
°C
Dimensions (Unit :
mm
)
18.0MAX.
16.8MAX.
or
9.1MAX.
1
4
5
6
1.3±0.2
P = 2 . 5 4
±0
. 2
0 . 2 5
±0
. 0 5
0 . 5
±0
. 1
2.54½5=12.7
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4±1.0
3.3MAX
6.1MAX.
Electrical Characteristics
Derating Curve
Symbol Min.
Parameter
Input voltage range
113
Vi
Output voltage
11.0
Vo
Output current
0
Io
Line regulation
−
Vr
Load regulation
−
Vl
Output ripple voltage
−
Vp
Power conversion efficiency
40
η
Typ.
141
12
−
0.17
0.19
0.05
50
Max.
170
13.0
30
0.3
0.3
0.15
−
Unit
V
V
mA
V
V
Vp-p
%
Conditions
DC(80
to
120VAC)
Vi=141V, Io=30mA
Vi=141V
Vi=113
to
170V, Io=30mA
Vi=141V, Io=0
to
30mA
Vi=141V, Io=30mA
Vi=141V, Io=30mA
∗1
∗2
∗2
Derating Curve
40
35
30
25
20
Operation Range
15
10
5
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(
°C
)
Application Circuit
BP5038A
Switching Frequency fsw(kHz)
∗1
Maximum output current varies depending on ambient temperature ; please refer to derating curve.
∗2
Please refer to Load regulation, Conversion efficiency.
Output Current Io(mA)
Switching Frequency
140
120
100
80
60
40
20
0
Switching Frequency
(Ta=25
°C
, Vi=141V)
Pin No.
1
2
3
4
5
6
Function
Input terminal Vi(141VDC)
Skip
Skip
COMMON
COMMON
Output terminal Vo(12V)
0
5
10
15
20
25
Output Current Io(mA)
30
1
4 5 6
Conversion Efficiency
Conversion Efficiency
η(%)
60
50
40
30
20
10
0
Conversion Efficiency
(Ta=25
°C
, Vi=141V)
R
R1
D1
1SR35−400A 10Ω1/4W
ZNR
+
FUSE
0.5A
C2
Output
+12V
Input
AC100V
50Hz/60Hz
220V
C1
−
10µF/200V
+
−
C3
0.1µF
100µF/50V
40% Min−Line
Be sure to use fuse for safety.
N
ot
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
5
10
15
20
25
Output Current Io(mA)
30
External Component Specifications
FUSE: Fuse
Please make sure to use a fuse of 0.5A
C1: Input smoothing
capacitor
C2: Noise reduction
capacitor
C3: Capacitor for Output
voltage smoothing
Capacitance : 3.3 to 22µF
Rated voltage : 250V or higher
Capacitance : 0.1 to 0.22µF Rated voltage : 250V or higher
Use a film or ceramic capacitor and evaluate characteristics under actual
operating conditions.
Capacitance : 100 to 470µF Rated voltage : 25V or higher
Impedance is 0.39Ω max at high frequency range.
Ripple current is 0.1Arms above.
Capacitor impedance affects the output ripple voltage.
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 20A or higher.
10 to 22Ω, 1/4W
Use for terminal voltage noise reduction. Determine the optimal value
through actual testing.
A varistor must be used to protect the part against lightning surges and
static electricity.
Load Regulation
13.0
12.8
12.6
12.4
12.2
12.0
11.8
11.6
11.4
11.2
11.0
Load Regulation
(Ta=25
°C
, Vi=141V)
Output Voltage Vo(V)
0
5
10
15
20
25
Output Current Io(mA)
30
D1: Rectifier diode
Surface temperature Increase
Temperature Rising
∆T(°C)
40
30
20
10
0
0
Surface Temperature Increase
(Ta=25°C, Vi=141V)
R1: Noise reduction
resistor
ZNR: Varistor
5
10
15
20
25
Output Current Io(mA)
30
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©2010 ROHM Co., Ltd. All rights reserved.
1/1
2010.01 - Rev.A
Mark Side
3.0MAX.
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Notice
Notes
No copying or reproduction of this document, in part or in whole, is permitted without the
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The content specified herein is subject to change for improvement without notice.
The content specified herein is for the purpose of introducing ROHM's products (hereinafter
"Products"). If you wish to use any such Product, please be sure to refer to the specifications,
which can be obtained from ROHM upon request.
Examples of application circuits, circuit constants and any other information contained herein
illustrate the standard usage and operations of the Products. The peripheral conditions must
be taken into account when designing circuits for mass production.
Great care was taken in ensuring the accuracy of the information specified in this document.
However, should you incur any damage arising from any inaccuracy or misprint of such
information, ROHM shall bear no responsibility for such damage.
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ot
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© 2010 ROHM Co., Ltd. All rights reserved.
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The technical information specified herein is intended only to show the typical functions of and
examples of application circuits for the Products. ROHM does not grant you, explicitly or
implicitly, any license to use or exercise intellectual property or other rights held by ROHM and
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