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BP5720-5 데이터시트 PDF




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부품번호 BP5720-5 기능
기능 Isolated AC/DC Converter
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BP5720-5 데이터시트, 핀배열, 회로
Data Sheet
100-220VAC Input/5VDC (500mA) Output
Isolated AC/DC Converter
BP5720-5
Absolute Maximum Ratings
Dimensions (Unit : mm)
Parameter
1-pin input voltage
4-pin input voltage
1-pin input current
Maximum power
Withstanding voltage
Allowable maximum
surface temperature
Operating
temperature range
Storage temperature
range
Symbol
VD
VNd
ID
Po
VI
Tcmax
Topr
Tstg
Limits
500
+30 / 5
250
2.5
2.5
105
25 to +80
25 to +105
Unit
V
V
mA
W
kVrms
°C
°C
°C
Conditions
Refer to the derating curve
1 sec (primary - secondary : 1 - 6Pin,
9 - 12Pin short)
Ambient temperature + The module
self-heating Tcmax
Electrical Characteristics
Parameter
Symbol Min.
(Unless otherwise noted, Vi=141V, Io=500mA,Ta=25°C) (Vo=5V, R3/R4=open)
Typ. Max. Unit
Conditions
Input voltage
Vi 113 141 374
V Io=500mA
Output voltage
Vo 4.75 5.0 5.25
V
Output current
Io 0
500 mA
Line regulation
Vr
10 100 mV Vi=113V to 374V
Load regulation
VI
15 100 mV Io=0mA to 500mA
Output ripple voltage
∆γ
100 250 mVp-p Vi=141V
1
Power conversion
efficiency
η 70 78
1: Measured peak-to-peak, ripple current bandwidth (spike noise not included).
%
Application Circuit
External Component Layout
F1
AC100V to 200V
50Hz/60Hz
ZNR31
L31
C1
D2
C2
R2
R1 C4
D1
C7
C3
D3
C6
GND1
Vo
GND2
Use a fuse for safety
C5
F2 R4 R3
14 6
9 10 11 12
BP5720-5
Please verify operation and characteristics in the customer's circuit before actual usage.
Ensure that the load current does not exceed the maximum rating.
Pin
No.
Name
Function
Connect the negative side of
1 Np- the primary coil of the external
transformer.
2 NC NC pin
3 Skip
This is connected to the plus
4 Nd+ side of the base coil wire of
the external transformer.
5 NC NC pin
6
Vi(-)
This is the primary side input
minus terminal.
7 Skip
8 Skip
9
GND1
End of secondary output
smoothing capacitor terminal.
10
GND2
Secondary 5V output
GND terminal.
Secondary output voltage
11
VADJ
fine-tunning terminal.
Resistor has to be inserted
between GND2 or Vo terminals.
This is the secondary side 5V
12
Vo
output voltage control terminal.
Insert the output smoothing
capacitor 470 µF between GND.
35.5MAX.
10.0MAX.
MARKING SIDE
3.3MAX.
12 4 56
9 10 11 12
0.5±0.1
P=2.54±0.2
1.3±0.2
4.4MAX.
2.54X11=27.94 TYP.
0.25±0.05
5.6MAX.
Derating Curve
600
500
400
300 Operation Range
200
100
0
-30-20-10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(°C)
Conversion Efficiency
<In case of 5V output>
(Vi=311V, Ta=25°C)
100
80
60
40
20
0
0 50 100 150 100 250 300 350 400 450 500
Output Current Io(mA)
Load Regulation
<In case of 5V output>
(Vi=311V, Ta=25°C)
7.0
6.0
5.0
4.0
3.0
2.0
1.0
Maximum
Io=500mA
0.0
0 100 200 300 400 500 600 700 800
Output Current Io(mA)
<<Output voltage adjustment>>
External Component Specifications
C1: Output smoothing capacitor
0.1µF/275VAC Safety regulation
R1: Resistor
100k±5% 2W 300V or higher
Adjust the output voltage by varying
R3 and R4.
C2: Noise reduction capacitor
C3: Output smoothing capacitor
C4: Input smoothing capacitor
0.1µF/275VAC Safety regulation
22µF/450V
Limits ripple current 100mArms or higher
2200pF/400V or higher
R2: Noise reduction resistor 1W or higher 10 to 22
Use if necessary
R3,4: Output voltage adjustment resistor By changing R3, R4, it is possible to adjust
output voltage.
(1)Output voltage range:
4.0 to 6.0V
(2)Output voltage equations
C5: Noise reduction capacitor
2200pF Safety regulation
Refer to the output voltage adjustment notes at right
Vo<5V, R3=(30.33Vo37.2) / (5Vo)k
C6: Output smoothing capacitor
470µF/10V Low impedance part
L31: Line filter
10mH 0.2Arms or higher Safety regulation
R4=open
C7: Noise reduction capacitor
D1: Noise reduction diode
630V or higher 0.1 to 0.22µF
Use if necessary
800V/0.5A
T1: Switching transformer
F1: Fuse
F2: Fuse
Ensure that it complies with safety regulations
Be sure to use this for safety.
Be sure to use this for safety.
Vo=5V, R3, R4=open
Vo>5V, R3=open
R4=37.6092/ (Vo-5)k
D2: Diode bridge
800V/1A
ZNR31: Varistor
A varistor is required to protect against
D3: Rectifier diode
60V/2A
lightning surges and static electricity.
390V Safety regulation
Example) In case of Vo=5.3V
Operation Notes
Vo>5V , R4=37.6092 / (5.3-5 )k
=125.364k
An excessively large capacitance at C4 may cause the output to become inactive.
Therefore, a capacitance between 470µF to 2200µF is recommended, with a risetime of 10ms or less.
Thus, R3=open
R4=120k(Vo=5.313V)
DC coltage after sousing
Overcurrent (reset type) protection circuit is built in, preventing damage from occurring due to unexpected conditions
www.rohm.com
©2010 ROHM Co., Ltd. All rights reserved.
1/1
2010.01 - Rev.A




BP5720-5 pdf, 반도체, 판매, 대치품
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
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shall bear no responsibility whatsoever for your use of any Product outside of the prescribed
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The Products are not designed or manufactured to be used with any equipment, device or
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More detail product informations and catalogs are available, please contact us.
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http://www.rohm.com/contact/
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© 2010 ROHM Co., Ltd. All rights reserved.
R1010A

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부품번호상세설명 및 기능제조사
BP5720-5

Isolated AC/DC Converter

ROHM Semiconductor
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