Data Sheet
220VAC Input/24VDC (200mA) Output
Non-Isolated AC/DC Converter
BP5048-24
Absolute Maximum Ratings
Dimensions (Unit : mm)
Parameter
Input voltage
Symbol
Vcc
Limits
358
Unit
V
35.0MAX.
9.2MAX.
Maximum Output current
ESD endurance
IoMAX
Vsurge
TcMAX
Topr
200
mApk
kV
2
1
3
5
7
10
12
Maximum surface temperature
Operating temperature range
Storage temperature range
105
°C
°C
°C
0.25±0.05
4.85MAX.
7.62
1.3±0.2
2.54�11=27.94
−20 to +80
−25 to +105
0.5±0.1
5.08
Tstg
3.6MAX.
4.35MAX.
Electrical Characteristics
Derating Curve
Parameter
Input voltage range
Output voltage
Output current
Line regulation
Load regulation
Output ripple voltage
Power conversion efficiency
Symbol Min.
Typ.
311
24.0
−
0.05
0.05
0.07
78
Max.
358
25.8
200
0.20
0.20
0.15
−
Conditions
Unit
V
V
mA
V
V
Derating Curve
228
23.0
0
DC
Vi
Vo
Io
250
Vi=311V, Io=100mA
Vi=311V
Vi=249 to 358V, Io=100mA
Vi=311V, Io=0 to 100mA ∗2
Vi=311V, Io=100mA
200
150
∗1
Operation Range
100
−0.20
−0.20
−
Vr
Vl
Vp
η
50
0
Vp-p
%
-30-20-10
0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta (°C)
Vi=311V, Io=200mA
65
∗2
∗1 Maximum output current varies depending on ambient temperature ; please refer to derating curves.
∗2 Please refer to Load regulation, Conversion efficiency.
Conversion Efficiency
Conversion Efficiency
(Ta=25°C, Vi=311V)
Application Circuit
100
90
80
70
60
50
40
30
20
10
0
Pin No.
Function
1
2
Output terminal Vo(24V)
BP5048-24
Skip
3
Choke coil connect
4
Skip
5
Choke coil connect
Be sure to use fuse for safety.
6
Skip
7
COMMON
0
50
100
150
200
8
Skip
12 10
7 5 3 1
Output Current Io (mA)
9
Skip
10
11
12
N.C.
DC motor
Skip
FUSE
Load Regulation
Input terminal Vi(311VDC)
R1
Ii
Io
C2
D1
Load Regulation
L1
+
−
+
−
(Ta=25°C, Vi=311V)
1.5mH
C3
C1
Vo
25.0
Vi
ZNR
24.8
24.6
24.4
24.2
24.0
23.8
23.6
23.4
23.2
23.0
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
FUSE: Fuse
Use a fuse of 1A.
Output Current Io (mA)
C1: Input capacitor
Rated voltage 400V or higher, 22 to 820µF
Permissible ripple current 0.13Arms or higher
Surface Temperature Increase
Surface Temperature Increase
Rated voltage 35V or higher 100 to 470µF
Low impedance type
C2: Output capacitor
(Ta=25°C, Vi=311V)
40
35
30
25
20
15
10
5
Impedance is 0.4Ω max at high frequencies.
Permissible ripple current 0.25Arms or higher
Evaluate under actual operating conditions.
C3: Noise removal capacitor Rated voltage 400V or higher 0.1 to 0.22µF
Film or ceramic capacitor
0
Evaluate under actual operating conditions.
0
50
100
150
200
Output Current Io (mA)
L1: Power inductor
D1: Rectifier diode
Inductance = 1.5mH
Permissible current value 450mA or higher
A reverse surge voltage 800V or higher
An average rectifying current of 0.5A
The forward surge current should be 20A or higher
R1: Noise removal resistor
ZNR: Varistor
10 to 22Ω 1/4W
Determine the ideal value through actual testing.
A varistor is required to protect against lightning surges and static
electricity.
www.rohm.com
©2010 ROHM Co., Ltd. All rights reserved.
2010.01 - Rev.A
1/1