Data Sheet
100VAC Input/−24VDC (600mA) Output
Non-Isolated AC/DC Converter
BP5068A24
Absolute Maximum Ratings
Dimensions (Unit : mm)
34.5MAX.
11.3MAX.
Parameter
Input voltage
Symbol
Vi
Limits
−190
Unit
V
Output current
Io
0.8
Apk
kV
°C
ESD endurance
Vsurge
Topr
Tstg
2
1
3
5
7
8
10
12
Operating temperature range
Storage temperature range
−20 to +80
−25 to +105
0.25±0.05
7.35MAX.
0.5±0.1
1.3±0.2
°C
P=2.54±0.2
3.25MAX
2.54�11=27.94
3.95MAX.
Electrical Characteristics
Parameter
Input voltage range
Output voltage
Output current
Line regulation
Load regulation
Output ripple voltage
Power conversion efficiency
Symbol Min.
Typ.
Max.
−120
Conditions
DC(85 to 115VAC)
Vi=−141V, Io=600mA
Vi=−141V
Unit
V
V
A
V
V
Vp-p
%
Derating Curve
−162
−141
Vi
Vo
Io
Derating Curve
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
−26.0 −24.0 −22.0
0
−
0.6
0.48
0.75
0.20
−
∗1
∗2
∗2
−
−
−
82
0.23
0.55
0.11
88
Vi=−
120 to
−162V, Io=600mA
Vr
Vl
Vp
η
Operation Range
Vi=−141V, Io=0 to 600mA
Vi=−141V, Io=600mA
Vi=−141V, Io=600mA
-30 -20 -10
0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(°C)
∗1 Maximum output current varies depending on ambient temperature ; please refer to derating curve.
∗2 Please refer to Load regulation, Conversion efficiency.
Conversion Efficiency
Conversion Efficiency
Application Circuit
(Ta=25°C, Vi=−141V)
100
Pin No.
Function
90
80
70
60
50
40
30
20
10
0
1
Output terminal Vo(−24V)
BP5068A24
2
3
Skip
Please note that pin No.12
side is input.
Coil connect
4
Skip
5
Coil Connect
6
Skip
12
FUSE
8 7
5
3
1
7
COMMON
8
COMMON
0
100 200 300 400 500 600
Output Current Io(mA)
R1
2.2Ω1/4W
Output
−24V
D1
2A
9
Skip
1SR35-400A
10
11
12
N.C.
L1
Skip
C2
0.1
C3
Input
AC100V
50Hz/60Hz
−
+
−
+
ZNR
C1
Input terminal Vi(−141VDC)
Load Regulation
D1
470µF/50V
220V
µF
100µF/200V
Load Regulation
(Ta=25°C, Vi=−141V)
30
Be sure to use fuse for safety.
25
20
15
10
5
Please verify operation and characteristics in the customer's circuit before actual usage and ensure
that the load current does not exceed 0.6A.
External Component Specifications
FUSE: Fuse
Use a quick-acting fuse (2A)
C1: Input capacitor
Above 200V, 47 to 220µF
Ripple current 0.22Arms or greater
0
0
100 200 300 400 500 600 700 800 900
Output Current Io(mA)
C2: Noise reduction
capacitor
Above 200V, 0.1 to 0.22µF
Use a film or ceramic capacitor. Evaluate under actual operating
conditions.
Surface Temperature Increase
Surface Temperature Increase
C3: Output capacitor
Above 50V, 330 to 1000µF, low impedance
ESR : 0.08Ω Max.
Ripple current 1Arms or greater
(Ta=25°C, Vi=−141V)
30
25
20
15
10
5
Capacitor impedance affects the output ripple voltage.
L1: Power inductor
D1: Flywheel diode
Inductance : 1.0mH, Rating current : above 1.2A
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.
0
0
100 200 300 400 500 600
Output Current Io(mA)
Recommended products : 31DF4 (Nihon Inter) or RU30 (Sanken)
D2: Rectifier diode
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.
1.0 to 2.2Ω, 1/4W
Determine the ideal value through actual testing.
R1: Noise reduction
resistor
ZNR: Varistor
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
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