ROHM BP5047A24

Data Sheet
220VAC Input/24VDC (150mA) Output
Non-Isolated AC/DC Converter
BP5047A24
Absolute Maximum Ratings
Unit
Vi
IoMAX
Vsurge
Topr
Tstg
358
150
2
−20 to +80
−25 to +105
V
mApk
kV
°C
°C
9.2MAX.
34.5MAX.
Mark Side
Limits
19.1MAX.
Symbol
1
4±1.0
Parameter
Input voltage
Maximum output voltage
ESD endurance
Operating temperature range
Storage temperature range
Dimensions (Unit : mm)
3
5
0.5±0.1
5.08
3.25MAX.
7
10
12
0.25±0.05
7.62
4.65MAX.
1.3±0.2
2.54�11=27.94
4.55MAX.
Electrical Characteristics
311
24.0
−
0.05
0.05
0.07
78
Max.
358
25.8
150
0.20
0.20
0.15
−
Conditions
Unit
V
V
mA
V
V
Vp-p
%
Vi=311V, Io=100mA
Vi=311V
∗1
Vi=249 to 358V, Io=100mA
Vi=311V, Io=0 to 100mA ∗2
Vi=311V, Io=100mA
Vi=311V, Io=150mA
∗2
∗1 Maximum output current varies depending on ambient temperature ; please refer to derating curve.
∗2 Please refer to Load regulation, Conversion effciency.
Application Circuit
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
BP5047A24
Be sure to use fuse for safety.
12 10
R1
D1
+
Vi
ZNR −
C1
FUSE
Io
C3
L1 +
−
C2
100
Operation Range
50
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta (°C)
Conversion Efficiency
100
90
80
70
60
50
40
30
20
10
0
0
Use a fuse of 1A.
C1: Input capacitor
Rated voltage 400V or higher 22 to 820µF
Permissible ripple current is 0.13Arms or higher
C2: Output capacitor
Rated voltage 35V or higher, 100 to 470µF
Low impedance type
Impedance is 0.4Ω max at high frequencies.
Evaluate under actual operating conditions.
Rated voltage 400V or higher 0.1 to 0.22µF
Film or ceramic capacitor
Evaluate under actual operating conditions.
Ripple current 0.25Arms or greater.
Capacitor impedance affects the output ripple voltage.
D1: Rectifier diode
Inductance : 1.5mH
Permissible current value 300mA or higher
A reverse surge voltage 800V or higher
An average rectifying current 0.5A or higher
The forward surge current should be 20A or higher.
R1: Noise removal resistor
10 to 22Ω 1/4W
Determine the ideal value through actual testing.
ZNR: Varistor
A varistor is required to protect against lightning surges and static electricity.
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20 40 60 80 100 120 140 160
Output Current Io (mA)
Load Regulation
(Ta=25°C, Vi=311V)
25
20
15
10
5
0
FUSE: Fuse
Conversion Efficiency
(Ta=25°C, Vi=311V)
Load Regulation
30
External Component Specifications
L1: Power inductor
150
Vo
Please verify operation and characteristics in the customer's circuit before actual usage.
Ensure that the load current does not exceed the maximum rating.
C3: Noise removal capacitor
200
Output Voltage Vo (V)
Ii
7 5 3 1
Derating Curve
250
0
50
100
150
Output Current Io (mA)
200
Surface Temperature Increase
Temperature Rising ∆T (°C)
DC motor
Function
Output terminal Vo(24V)
Skip
Choke coil connect
Skip
Choke coil connect
Skip
COMMON
Skip
Skip
N.C.
Skip
Input terminal Vi(311VDC)
Derating Curve
Output Current Io (mA)
Typ.
Conversion Efficiency η (%)
Parameter
Symbol Min.
Input voltage range
249
Vi
Output voltage
23.0
Vo
Output current
0
Io
Line regulation
−0.20
Vr
Load regulation
−0.20
Vl
Output ripple voltage
−
Vp
Power conversion effciency
65
η
Surface Temperature Increase
(Ta=25°C, Vi=311V)
30
25
20
15
10
5
0
0
50
100
Output Current Io (mA)
150
2010.01 - Rev.A
Notice
Notes
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R1010A