BP5045A5_10 Datasheet, PDF (1/4 Pages) Rohm – Non-Isolated AC/DC Converter

Data Sheet
220VAC Input/−5VDC (200mA) Output
Non-Isolated AC/DC Converter
BP5045A5
Absolute Maximum Ratings
Parameter
Input voltage
Output voltage
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
Electrical Characteristics
Parameter
Symbol Min. Typ. Max. Unit
Input voltage range Vi −113 −311 −390 V
Output voltage
Vo −4.7 −5.0 −5.3 V
Output current
Io
−
− 200 mA
Line regulation
Vr
− 0.10 0.15 V
Load regulation
Vl
− 0.10 0.15 V
Output ripple voltage Vp
− 0.10 0.20 Vp-p
Power conversion efficiency η
60 65
−
%
∗1 Maximum output current must be reduced by ambient temperature.
∗2 An output ripple voltage sometimes changes in capacitor to use, the measurement environment.
Conditions
DC
Vi= −311V, Io=200mA
Vi= −311V
∗1
Vi= −113 to −390V, Io=200mA
Vi= −311V, Io=0 to 200mA
Vi= −311V, Io=200mA ∗2
Vi= −311V, Io=200mA
Application Circuit
BP5045A5
~
Vi
D1
R1
ZNR
−
+
C1
1
FUSE
C3
4 6 8 10
L1
− ^C2
+
Pin No.
Function
1 Input
2 Skip
3 Skip
4 Common
5 Skip
6 Power inductor
7 Skip
8 Power inductor
9 Skip
10 Output
Vo
Be sure to use fuse for safety.
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
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.
C3: Noise Removal
Capacitor
L1: Power Inductor
Rated voltage : More than 450V
Film or ceramic capacitor
Capacitance : 0.1 to 0.22µF ;
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.
ZNR: Varistor
A varistor is required to protect against lightning surges and static electricity.
www.rohm.com
©2010 ROHM Co., Ltd. All rights reserved.
1/1
Dimensions (Unit : mm)
28.2MAX.
10.1MAX.
3.25MAX
0 . 2 5+− 0 . 0 5
1
4
6
8
10
0 . 5 +− 0 . 1
1 . 3+− 0 . 2
P = 5 . 0 8+− 0 . 2 ^(4.55)
2.54⁺ 9=22.86(Typ.)
(5.55)
Derating Curve
Derating Curve
250
200
150
100
Operation Range
50
0
-20-10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta( C)
Conversion Efficiency
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)
6.00
5.00
4.00
3.00
2.00
1.00
0.00
0 50 100 150 200 250 300 350
Output Current Io(mA)
Surface Temperature Increase
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
20
18
16
14
12
10
8
6
4
2
0
0
Switching Frequency
(Ta=25 C, Vi=-311V)
50 100 150 200 250
Output Current Io(mA)
2010.01 - Rev.A