Rohm BP5045A5 Non-isolated ac/dc converter Datasheet

Data Sheet
220VAC Input/−5VDC (200mA) Output
Non-Isolated AC/DC Converter
BP5045A5
Absolute Maximum Ratings
Unit
V
mApk
kV
C
C
28.2MAX.
0 . 2 5 +− 0 . 0 5
3.25MAX
DC
Vi= −311V, Io=200mA
∗1
Vi= −311V
Vi= −113 to −390V, Io=200mA
Vi= −311V, Io=0 to 200mA
Vi= −311V, Io=200mA ∗2
Vi= −311V, Io=200mA
~
ZNR
−
C1
+
6
8
Pin No.
1
2
3
4
5
6
7
8
9
10
10
−
+
C3
200
150
Operation Range
100
50
0
-20-10 0 10 20 30 40 50 60 70 80
Ambient Temperature Ta( C)
Function
Input
Skip
Skip
Common
Skip
Power inductor
Skip
Power inductor
Skip
Output
C2
Vo
Conversion Efficiency (%)
4
L1
90
Conversion Efficiency
(Ta=25 C, Vi=-311V)
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
Load Regulation
(Ta=25 C, Vi=-311V)
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
Use a fast-acting fuse of 1.0A.
C1: Input Capacitor
Rated voltage : More than 450V
Capacitance : 22 to 100µF
C2: Output Capacitor
Rated voltage : More than 25V
Capacitance : 100 to 1000µF, low impedance type
ESR : Less than 0.18Ω
Rated ripple current : More than 0.62Arms
Evaluate under actual operating conditions.
6.00
5.00
4.00
3.00
2.00
1.00
0.00
0
C3: Noise Removal
Capacitor
Rated voltage : More than 450V
Film or ceramic capacitor
Capacitance : 0.1 to 0.22µF ;
L1: Power Inductor
Inductance : 1mH Rated Current : More than 0.41A
The winding direction will affect the electrical characteristics.
R1: Noise Removal
Resistor
Resistance : 10 to 22Ω
Power : More than 1/4W
D1: Rectifier Diode
Peak reverse voltage : More than 800V
Mean rectifying current : More than 1.0A
Peak forward surge current : More than 20A
Full-wave rectification can be used. If the input capacitance is large please
use a rectifier diode with ample peak forward surge current.
A varistor is required to protect against lightning surges and static electricity.
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(5.55)
Conversion Efficiency
Be sure to use fuse for safety.
ZNR: Varistor
(4.55)
Derating Curve
250
Output Voltage -Vo(V)
Vi
FUSE
P = 5 . 0 8 +− 0 . 2
Derating Curve
Output Current Io(mA)
Conditions
1/1
50 100 150 200 250 300 350
Output Current Io(mA)
Surface Temperature Increase
Temperature Rising∆T( C)
Unit
V
V
mA
V
V
Vp-p
%
Surface Temperature Increase
(Ta=25 C, Vi=-311V)
40
35
30
25
20
15
10
5
0
0 20 40 60 80 100 120 140 160 180 200
Output Current Io(mA)
Switching Frequency
Switching Frequency fSW(kHz)
Max.
−390
−5.3
200
0.15
0.15
0.20
−
BP5045A5
R1
10
+
Typ.
−311
−5.0
−
0.10
0.10
0.10
65
Application Circuit
D1
8
2.54 9=22.86(Typ.)
∗1 Maximum output current must be reduced by ambient temperature.
∗2 An output ripple voltage sometimes changes in capacitor to use, the measurement environment.
1
4
6
0 . 5 +− 0 . 1
1 . 3 −+ 0 . 2
1
Electrical Characteristics
Parameter
Symbol Min.
Input voltage range
Vi
−113
Output voltage
Vo
−4.7
Output current
Io
−
Line regulation
Vr
−
Load regulation
Vl
−
Output ripple voltage
Vp
−
Power conversion efficiency
η
60
10.1MAX.
Mark Side
Limits
−390
200
2
−20 to +80
−25 to +105
17.9MAX.
Symbol
Vi
Io
Vsurge
Topr
Tstg
4.0 +− 1.0
Parameter
Input voltage
Output voltage
ESD endurance
Operating temperature range
Storage temperature range
Dimensions (Unit : mm)
20
18
16
14
12
10
8
6
4
2
0
Switching Frequency
(Ta=25 C, Vi=-311V)
0
50
100
150
200
Output Current Io(mA)
250
2010.01 - Rev.A
Notice
Notes
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R1010A
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