Data Sheet
220VAC Input/−12VDC (200mA) Output
Non-Isolated AC/DC Converter
BP5045A
Absolute Maximum Ratings
Parameter
Input voltage
Output current
ESD endurance
Operating temperature range
Storage temperature range
Symbol
Vi
Io
Vsurge
Topr
Tstg
Limits
−390
200
2
−20
to
+80
−25
to
+105
Unit
V
mApk
kV
C
C
Dimensions (Unit : mm)
28.2MAX.
10.1MAX.
4.0
+
1.0
−
17.9MAX.
0.25
+
0.05
−
1
4
6
0.5
+
0.1
−
1 . 3
+
0 . 2
−
2.54 9=22.86(Typ.)
+
8
10
P=5.08
+
0.2
−
3.25MAX
(4.55)
(5.55)
Electrical Characteristics
Parameter
Symbol Min.
Input voltage range
Vi
−113
Output voltage
Vo
−11.5
Output current
Io
−
Line regulation
Vr
−
Load regulation
Vl
−
Output ripple voltage
Vp
−
Power conversion efficiency
η
72
Typ.
−311
−12.2
−
0.07
0.10
0.15
75
Max.
−390
−12.9
200
0.15
0.15
0.20
−
Unit
V
V
mApk
V
V
Vp-p
%
Conditions
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
Derating Curve
Derating Curve
Output Current Io(mA)
300
250
200
150
100
50
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta( C)
Operation Range
∗1
Maximum output current varies depending on ambient temperature ; please refer to derating curve.
∗2
Spike noise is not included in output ripple voltage.
Conversion Efficiency
90
80
70
60
50
40
30
20
10
0
0
Conversion Efficiency
(Ta=25 C, Vi=-311V)
Conversion Efficiency (%)
Application Circuit
BP5045A
Pin No.
1
2
3
4
5
6
7
8
9
10
Function
Input
Skip
Skip
Common
Skip
Power inductor
Skip
Power inductor
Skip
Output
1
D1
R1
−
C1
+
4
6
8
10
50
100
150
Output Current Io(mA)
200
FUSE
L1
C3
Vi
~
ZNR
−
+
Be sure to use fuse for safety.
C2
Vo
Load Regulation
14
Output Voltage -Vo(V)
12
10
8
6
4
2
0
0
50 100 150 200 250 300 350
Output Current Io(mA)
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
C1: Input capacitor
Use a fast-acting fuse of 1.0A.
Rated voltage : More than 450V
Capacitance : 22 to 100µF
Rated voltage : More than 35V
C2: Output capacitor
Capacitance : 220 to 470µF, low impedance type
ESR : Less than 0.16Ω
Rated ripple current : More than 0.58Arms
Evaluate under actual operating conditions since output ripple
voltage is affected.
C3: Noise removal capacitor Rated voltage : More than 450V
Film or ceramic capacitor
Capacitance : 0.1 to 0.22µF
Inductance : 820µH
L1: Choke coil
Rated current : More than 0.42A
R1: Noise removal resistor
D1: Rectifier diode
Resistance : 10 to 22Ω
Power : More than 1/4W
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.
A varistor is required to protect against lightning surges and
static electricity.
Surface Temperature Increase
40
35
30
25
20
15
10
5
0
0
Surface Temperature Increase
(Ta=25 C, Vi=-311V)
Temperature Rising
∆T(
C)
50
100
150
Output Current Io(mA)
200
Switching Frequency
Switching Frequency f
SW
(kHz)
25
20
15
10
5
0
0
Switching Frequency
(Ta=25 C, Vi=-311V)
ZNR: Varistor
50
100
150
Output Current Io(mA)
200
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