Data Sheet
AC100V input, 12V/200mA output
Non-isolated AC/DC converter
BP5037B12
Absolute Maximum Ratings
Parameter
Input voltage
Maximum Output current
ESD endurance
Operating temperature range
Storage temperature range
Maximum surface temperature
Symbol
Vi
Iomax
Vsurge
Topr
Tstg
Tcmax
Limits
170
200
2
−25
to
+80
−25
to
+105
105
Unit
V
mApk
kV
°C
°C
°C
16.8MAX.
Dimensions (Unit :
mm
)
28.2MAX.
9.0MAX.
Mark Side
1
3
5
0 . 5
±0
. 1
7
1 . 3
±0
. 2
7.62
3.3MAX
(2.54 9=)22.86 TYP.
10
0 . 2 5
±0
. 0 5
5.08
5.05MAX.
3.95MAX.
Electrical Characteristics
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
70
η
Typ.
141
12.0
−
0.05
0.07
0.05
78
Max.
170
13.0
200
0.15
0.20
0.15
−
Unit
V
V
mA
V
V
Vp-p
%
Conditions
DC(80 to 120VAC)
Vi=141V, Io=100mA
Vi=141V
∗1
Vi=113 to 170V, Io=100mA
Vi=141V, Io=0 to 100mA
Vi=141V, Io=100mA
∗2
Vi=141V, Io=200mA
Derating Curve
300
Output Current Io (mA)
250
200
150
100
50
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(
°C
)
Operation Range
Derating Curve
∗1
Maximum output current varies depending on ambient temperature ; please refer to derating curve.
∗2
Spike noise is not included in output ripple voltage.
Conversion Efficiency
Conversion Efficiency
(Ta=25
°C
, Vi=141V)
100
90
80
70
60
50
40
30
20
10
0
0 20 40 60 80 100 120 140 160 180 200
Output Current Io(mA)
Conversion Efficiency (%)
Application circuit
BP5037B12
Please note that pin No.10
side is input.
10
R1
D1
1SR35−400 10Ω1/4W
Input
AC100V
50Hz/60Hz
ZNR
+
C1
22μF/200V
FUSE
1A
C2
0.1μF
7
5
3
1
Output
Pin No.
1
2
3
4
5
6
7
8
9
10
Function
Output terminal Vo(12V)
Not used
Choke coil connect
Not used
Choke coil connect
Not used
COMMON
Not used
Not used
Input terminal Vi(141VDC)
L1
820μH
+
−
+12V
Load Regulation
14
Output Voltage Vo(V)
12
10
8
6
4
2
0
0
50 100 150 200 250
Output Current Io(mA)
300
Load Regulation
(Ta=25
°C
, Vi=141V)
C3
330μF/25V
220V
−
Be sure to use fuse for safety.
For actual 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.
External components setting
FUSE: Fuse
C1: Capacitor for input
voltage smoothing
C2: For noise terminal
voltage reduction
C3: Capacitor for Output
voltage smoothing
D1: Rectifier diode
Please make sure to use quick acting fuse 1A
Capacitance : 22 to 100μF Rated voltage : 200V or higher
Ripple current is 0.13Arms above.
Capacitance : 0.1 to 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.
Capacitance : 100 to 470μF Rated voltage : 25V or higher,
ESR is 0.25Ω max. Ripple current is 0.4Arms above.
Output noise voltage is influenced. Please evaluate it in the actual set.
In the absolute maximum ratings, the reverse peak voltage should be
400V or higher, the average rectifying current should be 0.5A or higher,
and the peak surge current should be 20A or higher.
(Full-wave rectifier can be used in our part.)
Coil for switching regulator. The inductance should be 820μH,
the rated direct current should be 0.42A above.
Otherwise heating or abnormal oscillation occurs.
10 to 22Ω 1/4W
Reduce the noise terminal voltage. Please set it, if necessary.
The constant value should be evaluated in set.
Varistor must be used. It protects this part from lightning surge and static
electricity.
Surface Temperature Rising
Temperature Rising
ΔT(°C)
4±1.0
50
40
30
20
10
0
0
Surface Temperature Rising
(Ta=25°C, Vi=141V)
50
100
150
Output Current Io(mA)
200
L1: Choke coil
R1: For noise terminal
voltage reduction
ZNR: Varistor
Notice
Notes
No copying or reproduction of this document, in part or in whole, is permitted without the
consent of ROHM Co.,Ltd.
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.
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
other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the
use of such technical information.
The Products specified in this document are intended to be used with general-use electronic
equipment or devices (such as audio visual equipment, office-automation equipment, commu-
nication devices, electronic appliances and amusement devices).
The Products specified in this document are not designed to be radiation tolerant.
While ROHM always makes efforts to enhance the quality and reliability of its Products, a
Product may fail or malfunction for a variety of reasons.
Please be sure to implement in your equipment using the Products safety measures to guard
against the possibility of physical injury, fire or any other damage caused in the event of the
failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM
shall bear no responsibility whatsoever for your use of any Product outside of the prescribed
scope or not in accordance with the instruction manual.
The Products are not designed or manufactured to be used with any equipment, device or
system which requires an extremely high level of reliability the failure or malfunction of which
may result in a direct threat to human life or create a risk of human injury (such as a medical
instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel-
controller or other safety device). ROHM shall bear no responsibility in any way for use of any
of the Products for the above special purposes. If a Product is intended to be used for any
such special purpose, please contact a ROHM sales representative before purchasing.
If you intend to export or ship overseas any Product or technology specified herein that may
be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to
obtain a license or permit under the Law.
Thank you for your accessing to ROHM product informations.
More detail product informations and catalogs are available, please contact us.
ROHM Customer Support System
http://www.rohm.com/contact/
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
R1120A
嵌入式系统
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
