BP5090-12_10 Datasheet, PDF (1/4 Pages) Rohm – Non-Isolated AC/DC Converter

Data Sheet
100VAC Input/−12VDC (200mA) Output
Non-Isolated AC/DC Converter
BP5090-12
Absolute Maximum Ratings
Parameter
Symbol
Limits
Unit
Input voltage
Vi
−195
V
Operating temperature range
Topr
−20 to +85
°C
Storage temperature range
Tstg
−25 to +105
°C
Maximum surface temperature
Tsmax
100
°C
Output current
Io
200
mA
Electrical Characteristics
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Input voltage range
Vi −113 −141 −195 V DC(80 to 138VAC)
Output voltage
Vo −11.5 −12.5 −13.2 V
Output current
Io
−
−
200 mA
∗1
Line regulation
Vr
− 0.04 0.20 V Vi=−113 to −195V
Load regulation
Vl
− 0.03 0.20 V Io=0 to 200mA
Output ripple voltage Vp
− 0.07 0.20 Vp-p
∗2
Conversion efficiency η
74 82
−
%
∗1 Maximum output current varies depending on ambient temperature ; please refer to derating curve.
∗2 Spike noise is not included in output ripple voltage.
Application Circuit
BP5090-12
Please note that pin
No.8 side is input.
Be sure to use fuse for safety.
D1
R1
8
FUSE
5321
Pin No.
Function
1 Common
2 Output
3 Power inductor
4 Skip
5 Power inductor
6 Skip
7 Skip
8 Input
L1
-
Vi
ZNR
C1
C3
C2
+
Vo
Coil start
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: Output capacitor
Use a fast-acting fuse of 1.0A.
Rated voltage : More than 250V
Capacitance : 22 to 100µF
Rated voltage : More than 25V
Capacitance : 100 to 470µF, low impedance type
ESR : Less than 0.16Ω
Rated ripple current : More than 0.58Arms
Evaluate under actual operating conditions since it affects the
output ripple voltage.
C3: Noise removal capacitor Rated voltage : More than 250V
Use a film or ceramic capacitor
Capacitance : 0.1 to 0.22µF
L1: Choke coil
Inductance : 820µH
Rated current : More than 0.42A.
Select components that do not easily get magnetically saturated
at high temperature.
R1: Noise removal resistor Resistance : 10 to 22Ω
Power : More than 1/4W
D1: Rectifier diode
Peak reverse voltage : More than 400V
Mean rectifying current : More than 1.0A
Peak forward surge current : More than 20A
Full-wave rectification can be used.
ZNR: Varistor
A varistor is required to protect against lightning surges and static
electricity.
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Dimensions (Unit : mm)
26.5MAX.
10.0MAX.
MARKING SIDE
3.25MAX
123
5
8
0.5±0.1
P=2.54±0.2
1.3±0.2
2.54�7=17.78TYP
0.25±0.05
4.45MAX.
5.55MAX.
Derating Curve
Derating Curve
250
200
150
100
50
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(°C)
Switching frequency
Switching frequency
(Vi=−141V, Ta=25°C)
20
18
16
14
12
10
8
6
4
2
0
0 20 40 60 80 100 120 140 160 180 200
Output Current Io(mA)
Conversion Efficiency
Conversion Efficiency
100
(Vi=−141V, Ta=25°C)
90
80
70
60
50
40
30
20
10
0
0 20 40 60 80 100 120 140 160 180 200
Output Current Io(mA)
Load Regulation
-14.0
-12.0
-10.0
-8.0
-6.0
-4.0
-2.0
0.0
0
Load Regulation
(Vi=−141V, Ta=25°C)
Maximum
Io=200mA
100 200 300 400 500
Output Current Io(mA)
Surface Temperature Increase
Surface Temperature Increase
40
(Vi=−141V, Ta=25°C)
35
30
25
20
15
10
5
0
0 20 40 60 80 100 120 140 160 180 200
Output Current Io(mA)
2010.01 - Rev.A