BP5034B20 Datasheet, PDF (1/3 Pages) Rohm – AC100V input, 20V/80mA output

AC/DC converter
AC100V input, 20V/80mA output
BP5034B20
Absolute Maxim um Ratings
Parameter
Input voltage
Output current
Operating temperature range
Storage temperature range
Symbol
Vi
Io
Vsurge
Topr
Tstg
Limits
195
80
2
20 +80
25 +85
Unit
V
mApk
kV
Dimension(Unit mm )
28.2MAX.
10.0MAX.
12345678 10
3.25MAX
0.50.1
1.30.2
P=2.540.2
2.549=22.86
0.250.05
3.5MAX.
6.5MAX.
Electr ical Characteristics
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Der ating Curve
Input voltage range
Vi
Output voltage
Vo
Output current
Io
Line regulation
Vr
Load regulation
Vl
Output ripple voltage Vp
Power conversion effciency
113 141 195 V DC(80138V AC)
18.5 20.0 21.5 V Vi=141V, Io=50mA
0
80 mA Vi=141V
1
0.02 0.3 V Vi=113195V , Io=50mA
0.05 0.5
V Vi=141V, Io=050mA ₂
0.05 0.2 Vp-p Vi=141V, Io=50mA
65 72
% Vi=141V, Io=80mA ₂
Derating Curve
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()
1 Maxim um output current varies depending on ambient temperature ; please refer to derating curve.
2 Please ref er to Load regulation, Conversion effciency.
Switching F requency
Application circuit
Pin No.
Function
BP5034B20
1 Output terminal Vo(20V)
2 N.C.
Please note that pin No.10
side is input.
3 N.C.
4 N.C.
5 COMMON
6 COMMON
7 N.C.
D1
1SR35400A
R1
10 1/4W
10 8 7 6 5 4 3 2 1
8
9
FUSE
0.5A
Output ¹⁰
20V
N.C.
Not used
Input terminal Vi(141VDC)
Input
AC100V
50Hz/60Hz
ZNR
220V
C2
C1
10µF/250V 0.1µF
C3
100µF/50V
Be sure to use fuse for safety.
For acutual usage, Please kindly evaluate and confirm our part mounted in your product,
Especially, Please make sure to confirm the load current does not exceed Max. rated current
by using the current probe.
Switching Frequency
(Ta=25, Vi=141V)
140
120
100
80
60
40
20
0
0
20
40
60
80
Output Current Io(mA)
Con version Efficiency
Conversion Efficiency
(Ta=25, Vi=141V)
80
70
60
50
65% MinLine
40
30
20
10
0
0
20
40
60
80
Output Current Io(mA)
Load Regulation
External components setting
FUSE:
C1: Capacitor for input
voltage smoothing
C2: For noise terminal
voltage reduction
C3: Capacitor for Output
D1: Rectifier diode
R1: For noise terminal
voltage reduction
quic
k acting0.5A
Capacitance : 3.3µF22µF Rated v oltage : 200V or higher
Ripple current is 0.13Arms above.
Capacitance : 0.1F0.22F Rated v
oltage : 200V or higher
Film capacitor or ceramic capacitor. Reduce the noise terminal voltage.
The constant value should be evaluated in the set.
Capacitance : 100µF470µF Rated v oltage : 50V or higher,
ESR is 0.39 max. Ripple current is 0.1Arms above.
Output noise voltage is influenced.Please evaluate it in the actual set.
Load Regulation
(Ta=25, Vi=141V)
21.5
21.2
20.9
20.6
20.3
20.0
19.7
19.4
19.1
18.8
18.5
0
20
40
60
80
Output Current Io(mA)
Surf ace Temperature Rising
400V or higher0.5A or higher
,
and the forward peak current should be 20A or higher.
Full-w ave rectifier can be used in our part.
10 22 1/4W
Reduce the noise terminal voltage.The constant value should be evaluated
in set.
Surface Temperature Rising
(Ta=25, Vi=141V)
40
30
20
10
ZNR: Varistor
Varistor must be used. It protects this part from lightning surge and static
electricity.
0
0
20
40
60
80
Output Current Io(mA)
1/2