BP5048_10 [ROHM]
Non-Isolated AC/DC Converter; 非隔离式AC / DC转换器
| 型号： | BP5048_10 |
| 厂家： | 
ROHM |
| 描述： | Non-Isolated AC/DC Converter |
| 文件： | 总4页 (文件大小：1023K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Data Sheet
220VAC Input/12VDC (300mA) Output
Non-Isolated AC/DC Converter
BP5048
Absolute Maximum Ratings
Dimensions (Unit : mm)
9.2MAX.
35.0MAX.
Parameter
Input voltage
Symbol
Vi
Limits
358
Unit
V
Maximum output current
ESD endurance
Iomax
Vsurge
Topr
300
mApk
kV
2
1
3
5
7
10
12
Operating temperature range
Storage temperature range
−20 to +80
−25 to +105
°C
°C
0.25 0.05
7.62
1.3 0.2
�11=27.94
0.5 0.1
5.08
Tstg
4.85MAX.
4.35MAX.
3.6MAX
2.54
Electrical Characteristics
Parameter
Input voltage range
Output voltage
Output current
Line regulation
Load regulation
Output ripple voltage
Power conversion efficiency
Symbol Min.
Typ.
311
12.0
−
0.05
0.05
0.07
78
Max.
358
13.0
300
0.20
0.20
0.15
−
Conditions
Unit
V
V
Derating Curve
Derating Curve
350
249
11.0
0
Vi
Vo
Io
DC
Vi=311V, Io=100mA
mA Vi=311V
Vi=249 to 358V, Io=100mA
Vi=311V, Io=0 to 100mA
Vp-p Vi=311V, Io=100mA
Vi=311V, Io=300mA
300
250
200
∗1
−0.20
−0.20
−
Vr
Vl
Vp
η
V
V
150
100
Operation Range
50
0
∗2
-30 -20 -10
0 10 20 30 40 50 60 70 80 90
65
%
Ambient Temperature Ta (°C)
∗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=311V)
100
Application Circuit
90
80
70
60
50
40
30
20
10
0
Pin No.
1
2
3
4
5
6
7
8
Function
Output terminal Vo(12V)
BP5048
Skip
Please note that the input
side is at Pin 12.
Choke coil connect
Skip
Choke coil connect
Skip
COMMON
12 10
FUSE
7
5
3
1
0
50
100 150 200 250 300
Output Current Io (mA)
Skip
Skip
N.C.
Skip
9
Io
C2
10
11
12
D1
ZNR
R1
L1
1mH
Input terminal Vi(311VDC)
Load Regulation
C3
+
−
+
−
Vo
C1
∼
Vi
Load Regulation
(Ta=25°C, Vi=311V)
13.0
12.8
12.6
12.4
12.2
12.0
11.8
11.6
11.4
11.2
Use a 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.
External Component Specifications
0
50 100 150 200 250 300
Output Current Io (mA)
FUSE: FUSE
Use a fuse of 1A.
C1: Input capacitor
Rated voltage 450V or higher 22 to 820µF
Permissible ripple current 0.13Arms or higher
Surface Temperature Increase
C2: Output capacitor
Rated voltage 25V or higher, 100 to 470µF
Low impedance type
Impedance is 0.4Ω max at high frequencies.
Evaluate under actual operating conditions.
Surface Temperature Increase
(Ta=25°C, Vi=311V)
40
35
30
25
20
15
10
5
C3: Noise removal capacitor
L1: Power inductor
Rated voltage 450V or higher 0.1 to 0.22µF
Film or ceramic capacitor
Evaluate under actual operating conditions.
Inductance = 1.0mH
0
0
50 100 150 200 250 300
Output Current Io (mA)
Permissible current value 600mA or higher
Recommended part : C13-FR-GA (MITSUMI)
or TSL3135S-102JR78 (TDK)
D1: Rectifier diode
A reverse surge voltage 600V or higher
An average rectifying current of 0.5A
The forward surge current should be 20A or higher.
10 to 22Ω 1/4W
R1: Noise removal resistor
ZNR: Varistor
Determine the ideal value through actual testing.
A varistor is required to protect against lightning surges and
static electricity.
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©2010 ROHM Co., Ltd. All rights reserved.
2010.01 - Rev.A
1/1
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