Data Sheet
100VAC Input/−12VDC (200mA) Output
Non-Isolated AC/DC Converter
BP5090-12
Absolute Maximum Ratings
Parameter
Input voltage
Operating temperature range
Storage temperature range
Maximum surface temperature
Output current
Symbol
Vi
Topr
Tstg
Tsmax
Io
Limits
−195
−20
to +85
−25
to +105
100
200
Unit
V
°C
°C
°C
mA
Dimensions (Unit : mm)
26.5MAX.
10.0MAX.
MARKING SIDE
4±1.0
1
2
3
5
0.5±0.1
8
0.25±0.05
4.45MAX.
5.55MAX.
Electrical Characteristics
Symbol Min.
Parameter
Vi
−113
Input voltage range
Vo
−11.5
Output voltage
Io
−
Output current
Vr
−
Line regulation
Vl
−
Load regulation
Vp
−
Output ripple voltage
η
74
Conversion efficiency
Typ.
−141
−12.5
−
0.04
0.03
0.07
82
Max.
−195
−13.2
200
0.20
0.20
0.20
−
Unit
V
V
mA
V
V
Vp-p
%
Conditions
DC(80 to 138VAC)
∗1
3.25MAX
P=2.54±0.2
1.3±0.2
2.54
½
7=17.78TYP
Derating Curve
250
Output Current Io(mA)
200
150
100
50
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(
°C
)
Derating Curve
Vi=−113 to
−195V
Io=0 to 200mA
∗2
∗1
Maximum output current varies depending on ambient temperature ; please refer to derating curve.
∗2
Spike noise is not included in output ripple voltage.
BP5090-12
Please note that pin
No.8 side is input.
Be sure to use fuse for safety.
D1
R1
FUSE
L1
Vi
ZNR
C1
C3
C2
-
8
5
3
2
1
Pin No.
1
2
3
4
5
6
7
8
Function
Common
Output
Power inductor
Skip
Power inductor
Skip
Skip
Input
+
Vo
Conversion Efficiency
Conversion Efficiency
(Vi=
−
141V,
Ta=25
°C
)
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
η(%)
Coil start
Please verify operation and characteristics in the customer's circuit before actual usage.
Ensure that the load current does not exceed the maximum rating.
External Component Specifications
FUSE: FUSE
C1: Input capacitor
C2: Output capacitor
Use a fast-acting fuse of 1.0A.
Rated voltage : More than 250V
Capacitance : 22 to 100µF
Rated voltage : More than 25V
Capacitance : 100 to 470µF, low impedance type
ESR : Less than 0.16Ω
Rated ripple current : More than 0.58Arms
Evaluate under actual operating conditions since it affects the
output ripple voltage.
Load Regulation
-14.0
Output Voltage -Vo(V)
-12.0
-10.0
-8.0
-6.0
-4.0
-2.0
0.0
0
100 200 300 400
Output Current Io(mA)
500
Load Regulation
(Vi=
−
141V,
Ta=25
°C
)
Switching frequency -fsw(kHz)
Application Circuit
Switching frequency
Switching frequency
(Vi=
−
141V,
Ta=25
°C
)
20
18
16
14
12
10
8
6
4
2
0
0 20 40 60 80 100 120 140 160 180 200
Output Current Io(mA)
C3: Noise removal capacitor Rated voltage : More than 250V
Use a film or ceramic capacitor
Capacitance : 0.1 to 0.22µF
L1: Choke coil
Inductance : 820µH
Rated current : More than 0.42A.
Select components that do not easily get magnetically saturated
at high temperature.
Resistance : 10 to 22Ω
Power : More than 1/4W
Peak reverse voltage : More than 400V
Mean rectifying current : More than 1.0A
Peak forward surge current : More than 20A
Full-wave rectification can be used.
A varistor is required to protect against lightning surges and static
electricity.
Maximum
Io=200mA
Surface Temperature Increase
40
35
30
25
20
15
10
5
0
0
Temperature Rising
∆T(°C
)
Surface Temperature Increase
(Vi=
−
141V,
Ta=25
°C
)
R1: Noise removal resistor
D1: Rectifier diode
ZNR: Varistor
20 40 60 80 100 120 140 160 180 200
Output Current Io(mA)
www.rohm.com
©2010 ROHM Co., Ltd. All rights reserved.
1/1
2010.01 - Rev.A
MARKING SIDE
21.5MAX.
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
© 2010 ROHM Co., Ltd. All rights reserved.
R1010A
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
