Data Sheet
100VAC Input/−24VDC (600mA) Output
Non-Isolated AC/DC Converter
BP5068A24
Absolute Maximum Ratings
Parameter
Input voltage
Output current
ESD endurance
Operating temperature range
Storage temperature range
Symbol
Vi
Io
Vsurge
Topr
Tstg
Limits
−190
0.8
2
−20
to
+80
−25
to
+105
Unit
V
Apk
kV
°C
°C
Dimensions (Unit :
mm
)
34.5MAX.
Mark Side
1
3
5
7 8
10
12
0 . 2 5
±0
. 0 5
P=2.54±0.2
7.35MAX.
3.95MAX.
0 . 5
±0
. 1
3.25MAX
1 . 3
±0
. 2
2.54½11=27.94
11.3MAX.
Electrical Characteristics
Symbol Min.
Parameter
Input voltage range
−162
Vi
Output voltage
−26.0
Vo
Output current
0
Io
Line regulation
−
Vr
Load regulation
−
Vl
Output ripple voltage
−
Vp
Power conversion efficiency
82
η
Typ.
−141
−24.0
−
0.23
0.55
0.11
88
Max.
−120
−22.0
0.6
0.48
0.75
0.20
−
Unit
V
V
A
V
V
Vp-p
%
Conditions
DC(85 to 115VAC)
Vi=−141V, Io=600mA
Vi=−141V
∗1
Vi=−120 to
−162V,
Io=600mA
Vi=−141V, Io=0 to 600mA
∗2
Vi=−141V, Io=600mA
Vi=−141V, Io=600mA
∗2
Derating Curve
Derating Curve
1.0
0.9
0.8
0.7
0.6
0.5
0.4
Operation Range
0.3
0.2
0.1
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(°C)
Output Current Io(A)
∗
1 Maximum output current varies depending on ambient temperature ; please refer to derating curve.
∗
2 Please refer to Load regulation, Conversion efficiency.
Conversion Efficiency
Function
Output terminal Vo(−24V)
Skip
Coil connect
Skip
Coil Connect
Skip
COMMON
COMMON
Skip
N.C.
Skip
Input terminal Vi(−141VDC)
BP5068A24
Please note that pin No.12
side is input.
12
R1
D1
1SR35-400A 2.2Ω1/4W
Input
AC100V
50Hz/60Hz
ZNR
220V
−
+
8 7
5
L1
3
1
Output
−24V
−
FUSE
2A
C2
0.1µF
C1
100µF/200V
C3
470µF/50V
D1
+
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
Conversion Efficiency
η(%)
Application Circuit
4±1.0
21.5MAX.
100
90
80
70
60
50
40
30
20
10
0
0
Conversion Efficiency
(Ta=25
°C
, Vi=−141V)
100 200 300 400 500
Output Current Io(mA)
600
Load Regulation
Output Voltage
−
Vo(V)
30
25
20
15
10
5
0
0 100 200 300 400 500 600 700 800 900
Output Current Io(mA)
Load Regulation
(Ta=25
°C
, Vi=
−
141V)
Be sure to use fuse for safety.
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
C2: Noise reduction
Above 200V, 0.1 to 0.22µF
capacitor
Use a film or ceramic capacitor. Evaluate under actual operating
conditions.
C3: Output capacitor
Above 50V, 330 to 1000µF, low impedance
ESR : 0.08Ω Max.
Ripple current 1Arms or greater
Capacitor impedance affects the output ripple voltage.
L1: Power inductor
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.
Recommended products : 31DF4 (Nihon Inter) or RU30 (Sanken)
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.
A varistor is required to protect against lightning surges and static
electricity.
Surface Temperature Increase
Temperature Rising
∆T(
°C
)
30
25
20
15
10
5
0
0
Surface Temperature Increase
(Ta=25
°C
, Vi=
−
141V)
D1: Flywheel diode
100 200 300 400 500
Output Current Io(mA)
600
D2: Rectifier diode
R1: Noise reduction
resistor
ZNR: Varistor
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