BP5048-24_10 Datasheet, PDF (1/4 Pages) Rohm – Non-Isolated AC/DC Converter

Data Sheet
220VAC Input/24VDC (200mA) Output
Non-Isolated AC/DC Converter
BP5048-24
Absolute Maximum Ratings
Parameter
Input voltage
Maximum Output current
ESD endurance
Maximum surface temperature
Operating temperature range
Storage temperature range
Symbol
Vcc
IoMAX
Vsurge
TcMAX
Topr
Tstg
Limits
358
200
2
105
−20 to +80
−25 to +105
Unit
V
mApk
kV
°C
°C
°C
Electrical Characteristics
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Input voltage range
Vi 228 311 358 V DC
Output voltage
Vo 23.0 24.0 25.8 V Vi=311V, Io=100mA
Output current
Io
0
−
200 mA Vi=311V
∗1
Line regulation
Vr −0.20 0.05 0.20 V Vi=249 to 358V, Io=100mA
Load regulation
Vl −0.20 0.05 0.20 V Vi=311V, Io=0 to 100mA ∗2
Output ripple voltage Vp
− 0.07 0.15 Vp-p Vi=311V, Io=100mA
Power conversion efficiency η
65 78
−
% Vi=311V, Io=200mA _∗2
∗1 Maximum output current varies depending on ambient temperature ; please refer to derating curves.
∗2 Please refer to Load regulation, Conversion efficiency.
Application Circuit
BP5048-24
Be sure to use fuse for safety.
12 10 7 5 3 1
DC motor
Ii
D1
R1
+
Vi
ZNR ^{− C1}
FUSE
Io
L1 ₊
C3
1.5mH
−
C2
Vo
Pin No.
Function
1 Output terminal Vo(24V)
2 Skip
3 Choke coil connect
4 Skip
5 Choke coil connect
6 Skip
7 COMMON
8 Skip
9 Skip
10 N.C.
11 Skip
12 Input terminal Vi(311VDC)
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
Use a fuse of 1A.
C1: Input capacitor
Rated voltage 400V or higher, 22 to 820µF
Permissible ripple current 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.
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
Evaluate under actual operating conditions.
L1: Power inductor
Inductance = 1.5mH
Permissible current value 450mA or higher
D1: Rectifier diode
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 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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1/1
Dimensions (Unit : mm)
35.0MAX.
9.2MAX.
3.6MAX.
1 35 7
10 12
0.5±0.1
5.08
7.62
1.3±0.2
2.54�11=27.94
0.25±0.05
4.85MAX.
4.35MAX.
Derating Curve
Derating Curve
250
200
150
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
Conversion Efficiency
(Ta=25°C, Vi=311V)
50
100 150 200
Output Current Io (mA)
Load Regulation
25.0
24.8
24.6
24.4
24.2
24.0
23.8
23.6
23.4
23.2
23.0
0
Load Regulation
(Ta=25°C, Vi=311V)
50
100
150
200
Output Current Io (mA)
Surface Temperature Increase
Surface Temperature Increase
(Ta=25°C, Vi=311V)
40
35
30
25
20
15
10
5
0
0
50
100 150 200
Output Current Io (mA)
2010.01 - Rev.A