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BP5081B15_10 Datasheet, PDF (1/4 Pages) Rohm – Non-Isolated Dual-Output AC/DC Converter
Data Sheet
100VAC Input/15VDC (80mA) Output 1/5VDC (350mA) Output 2
Non-Isolated Dual-Output AC/DC Converter
BP5081B15
Absolute Maximum Ratings
Parameter
Input voltage
Maximum Output current(15V)
Maximum Output current(5V)
ESD endurance
Maximum surface temperature
Operating temperature range
Storage temperature range
Symbol
Vi
I15MAX
I5MAX
Vsurge
Tcmax
Topr
Tstg
Limits
200
80
350
2
105
−25 to +80
−25 to +105
Unit
V
mApk
mApk
kV
°C
°C
°C
Electrical Characteristics
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Input voltage
Vi 113 141 190 V DC
Output voltage1
V15 14.0 15.0 16.0 V Vi=141V, I15=80mA
Output current1
I15
0
−
80 mA Vi=141V
∗1
Output voltage2
V5 4.7 5.0 5.3 V Vi=141V, I5=350mA
Output current2
I5
0
− 350 mA Vi=141V
∗1
Line regulation1
Vr1 −0.2 0.1 0.2
V Vi=113 to 190V, I15=80mA
Line regulation2
Vr2 −0.2 0.1 0.2
V Vi=113 to 190V, I5=350mA
Load regulation1
Vl1 −0.2 0.05 0.2
V Vi=141V, I15=0 to 80mA ∗2
Load regulation2
Vl2 −0.2 0.05 0.2
V Vi=141V, I5=0 to 350mA ∗2
Output ripple voltage1 Vp1 − 0.05 0.2 Vp-p Vi=141V, I15=80mA, I5=0mA
Output ripple voltage2 Vp2 − 0.05 0.2 Vp-p Vi=141V, I15=0mA, I5=350mA
Power conversion efficiency1 η1 65 72
−
% Vi=141V, I15=80mA, I5=0mA ∗2
Power conversion efficiency2 η2 60 65
−
% Vi=141V, I15=0mA, I5=350mA ∗2
∗1 Maximum output current varies depending on ambient temperature ; please refer to derating curve.
∗2 Please refer to Load regulation, Conversion efficiency.
Application Circuit
BP5081B15
Be sure to use fuse for safety.
1 4 6 8 1011 1314
DC motor
Ii D1 R1
R2
+
Vi
ZNR − C1
FUSE
C2
L1 +
C3−
Io
+
− C4 Vo
Pin No.
Function
1 Input terminal Vi(141VDC)
2 Not used
3 Not used
4 COMMON
5 Not used
6 Choke coil connect
7 Not used
8 Choke coil connect
9 Not used
10 15V output terminal
11 15V input terminal
12 Not used
13 COMMON
14 Output terminal Vo(5V)
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 quick-acting fuse of 1.0A.
C1: Input capacitor
Rated voltage : More than 250V
Capacitance : 22 to 820µF
Rated ripple current : More than 0.13Arms
C2: Noise removal capacitor
Rated voltage : More than 250V
Film or ceramic capacitor
Capacitance : 0.1 to 0.22µF
C3: Output capacitor
(For 15V output)
C4: Output capacitor
(For 5V output)
Rated voltage : More than 25V
Capacitance : 100 to 1000µF, low impedance type
ESR : Less than 0.4Ω
Rated ripple current : More than 0.25Arms
Evaluate under actual operating conditions since it affects the output ripple voltage.
Rated voltage : More than 16V
Capacitance : 100 to 1000µF, low impedance type
ESR : Less than 0.4Ω
Rated ripple current : More than 0.41Arms
Evaluate under actual operating conditions since it affects the output ripple voltage.
L1: Power inductor
D1: Rectifier diode
Inductance : 1.0mH
Rated current : More than 0.49A
Peak reverse voltage : More than 400V
Mean rectifying current : More than 1.0A
Peak forward surge current : More than 40A
Full-wave rectification can be used.
R1: Inrush current limiting
resistor
Inrush current will vary depending on C1.
Determine the ideal value through actual testing.
R2: Noise removal resistor
ZNR: Varistor
Resistance : 10 to 22Ω, Power : More than 1/4W
A varistor is required to protect against lightning surges and static electricity.
Dimensions (Unit : mm)
40.5MAX.
11.0MAX.
1
3.25MAX
4 6 8 10 11 13 14
0.5±0.1
1.3±0.2 2.54±0.2
2.54×13=33.02
0.25±0.05
5.55MAX.
5.45MAX.
Derating Curve
Derating Curve (15V output)
100
90
80
70
60
50
40
Operation Range
30
20
10
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(°C)
Derating Curve (5V output)
400
350
300
250
200 Operation Range
150
100
50
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(°C)
Conversion Efficiency
Conversion Efficiency (15V output)
(I5=0mA, Vi=141V)
100
90
80
70
60
50
40
30
20
10
0
0
20
40
60
80
Output Current I15(mA)
Conversion Efficiency (5V output)
(I15=0mA, Vi=141V)
100
90
80
70
60
50
40
30
20
10
0
0 50 100 150 200 250 300 350
Output Current I5(mA)
Load Regulation
Load Regulation (15V output)
(I5=0mA, Vi=141V)
16.0
15.8
15.6
15.4
15.2
15.0
14.8
14.6
14.4
14.2
14.0
0
20
40
60
80
Output Current I15(mA)
Load Regulation (5V output)
(I15=0mA, Vi=141V)
5.3
5.2
5.1
5.0
4.9
4.8
4.7
0 50 100 150 200 250 300 350
Output Current I5(mA)
Surface Temperature Increase
Surface Temperature Increase
(15V output) (I5=0mA, Vi=141V)
20
18
16
14
12
10
8
6
4
2
0
0
20
40
60
80
Output Current I15(mA)
Surface Temperature Increase
(5V output) (I15=0mA, Vi=141V)
20
18
16
14
12
10
8
6
4
2
0
0 50 100 150 200 250 300 350
Output Current I5(mA)
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