ROHM BP5068

Data Sheet
100VAC Input/−15VDC (800mA) Output
Non-Isolated AC/DC Converter
BP5068-15
Dimensions (Unit : mm)
Limits
−190
800
2
−20 to +80
−25 to +105
Unit
V
mApk
kV
°C
°C
11.3MAX.
34.5MAX.
21.5MAX.
Symbol
Vi
Io
Vsurge
Topr
Tstg
1
4±1.0
Parameter
Input voltage
Output current
ESD endurance
Operating temperature range
Storage temperature range
Mark Side
Absolute Maximum Ratings
3
5
7 8
10
12
0.25±0.05
0 . 5 ±0 . 1
1 . 3 ±0 . 2
3.25MAX
7.35MAX.
P=2.54 ±0.2
2.54 11=27.94
+
3.95MAX.
Electrical Characteristics
∗1 Maximum output current varies depending on ambient temperature ; please refer to derating curve.
∗2 Please refer to Load regulation, Conversion efficiency.
Conditions
DC
Vi= −141V, Io=800mA
∗1
Vi= −141V
Vi= −120 to −162V, Io=800mA
Vi= −141V, Io=0 to 800mA ∗2
Vi= −141V, Io=800mA
∗2
Vi= −141V, Io=800mA
BP5068-15
Please note that pin No.12
side is input.
12 10
R1
D2
1SR35-400A 2.2Ω1/4W
Input
AC100V
50Hz/60Hz
ZNR
−
C1
220V + 100µF/200V
8 7
5
3
FUSE
2A
1
Output
−15V
C2
L1
470µH
− C3
0.1µF
D1
+ 470µF/50V
Function
Output terminal Vo(−15V)
Skip
Coil connect
Skip
Coil connect
Skip
COMMON
COMMON
Skip
N.C.
Skip
Input terminal Vi(−141VDC)
Be sure to use 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
FUSE: Fuse
C1: Input capacitor
C2: Noise reduction capacitor
Use a quick-acting fuse (2A)
Above 200V, 47 to 220µF
Ripple current 0.22Arms above
Above 200V, 0.1 to 0.22µF
Use a film or ceramic capacitor.
Evaluate under actual operating conditions.
C3: Output capacitor
Above 35V, 330 to 1000µF, low impedance
ESR : 0.08Ω Max.
Ripple current 1Arms or above
Capacitor impedance affects the output ripple voltage.
L1: Power inductor
Inductance : 470µH, Rating current : above1.6A
Select components that do not easily get magnetically saturated
at high temperature.
Above 400V, current : above 3A
Fast recovery diode.
Please note that both the switching and efficiency characteristics
of the module are affected by this diode.
Recommended products : 31DF4 (Nihon Inter)
Use a rectifying diode with a peak reverse voltage of 400V or higher,
an average rectification current of 1A or larger and a peak surge
current of 20A or larger. When using a large capacitance input capacitor,
select a component that is strong against inrush current during power up.
Full-wave rectification can be used.
D1: Flywheel diode
D2: Rectifier diode
R1: Noise reduction resistor
ZNR: Varistor
Derating Curve
1.0
0.9
0.8
0.7
0.6
0.5
Operation Range
0.4
0.3
0.2
0.1
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(°C)
Conversion Efficiency
Application Circuit
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
Derating Curve
Output Current Io(A)
Unit
V
V
mA
V
V
Vp-p
%
Conversion Efficiency η(%)
Max.
−162
−16.0
800
0.45
0.75
0.30
−
Conversion Efficiency
(Ta=25°C, Vi= −141V)
100
80
60
40
20
0
0
200
400
600
Output Current Io(mA)
800
Load Regulation
Output Voltage Vo(V)
Typ.
−141
−15.0
−
0.20
0.50
0.15
85
16.0
15.8
15.6
15.4
15.2
15.0
14.8
14.6
14.4
14.2
14.0
Load Regulation
(Ta=25°C, Vi= −141V)
0
200
400
600
Output Current Io(mA)
800
Surface Temperature Increase
Temperature Rising ∆T(°C)
Parameter
Symbol Min.
Input voltage range
Vi
−120
Output voltage
Vo
−14.0
Output current
Io
0
Line regulation
Vr
−
Load regulation
Vl
−
Output ripple voltage
Vp
−
Power conversion efficiency
η
80
40
35
30
25
20
15
10
5
0
0
Surface Temperature Increase
(Ta=25°C, Vi= −141V)
200
400
600
Output Current Io(mA)
800
1.0 to 2.2Ω, 1/4W
Determine the ideal value through actual testing.
A varistor is required to protect against lightning surges and static
electricity.
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1/1
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