BP5068A_10 Datasheet, PDF (1/4 Pages) Rohm – Non-Isolated AC/DC Converter

Data Sheet
100VAC Input/−12VDC (800mA) Output
Non-Isolated AC/DC Converter
BP5068A
Absolute Maximum Ratings
Parameter
Input voltage
Output current
ESD endurance
Operating temperature range
Storage temperature range
Symbol
Vi
Io
Vsurge
Topr
Tstg
Limits
−190
850
2
−20 to +80
−25 to +105
Unit
V
mApk
kV
°C
°C
Electrical Characteristics
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Input voltage range
Vi −120 −141 −162 V DC(80 to 120VAC)
Output voltage
Vo −11 −12 −13 V Vi=−141V, Io=800mA
Output current
Io
0
− 800 mA Vi=−141V
∗1
Line regulation
Vr
− 0.20 0.45 V Vi=−120 to −162V, Io=800mA ∗2
Load regulation
Vl
− 0.50 0.75 V Vi=−141V, Io=0 to 800mA ∗2
Output ripple voltage Vp
− 0.15 0.30 Vp-p Vi=−141V, Io=800mA ∗2
Power conversion efficiency η
65 78
−
% Vi=−141V, Io=800mA ∗2
∗1 Maximum output current varies depending on ambient temperature ; please refer to derating curve.
∗2 Please refer to Load regulation, Conversion efficiency.
Application Circuit
BP5068A
Please note that pin No.12
side is input.
12 10 8 7
FUSE
D2
R1
2A
1SR35-400A 2.2Ω1/4W
Input
AC100V
50Hz/60Hz
ZNR − _C1
220V ⁺ 100µF/200V
C2
0.1µF
531
L1 330µH
D1 ^−
Output
−12V
C3
+ _470µF/50V
Pin No.
Function
1 Output terminal Vo(−12V)
2 Skip
3 Coil connect
4 Skip
5 Coil connect
6 Skip
7 COMMON
8 COMMON
9 Skip
10 NC
11 Skip
12 Input terminal Vi(−141VDC)
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
Use a quick-acting fuse of 2A
C1: Input capacitor
Above 200V, 47 to 220µF
Ripple current 0.22Arms or greater
C2: Noise reduction
capacitor
Above 200V, 0.1 to 0.22µF
Use a film or ceramic capacitor. Evaluate under actual operating
conditions.
C3: Output capacitor
L1: Power inductor
D1: Flywheel diode
D2: Rectifier diode
R1: Noise reduction
resistor
ZNR: Varistor
Above 25V, 330 to 1000µF, low impedance
ESR : 0.08Ω Max.
Ripple current 1Arms or greater
Capacitor impedance affects effects the output ripple voltage
Inductance : 330µH, Rating current : above 1.6A
Select components that do not easily get magnetically saturated
at high temperature.
Above 400V, current : above 3A
Fast recovery diode
Please note that both the switching and efficiency characteristics of the
module are affected by this diode.
Recommended products : 31DF4 (Nihon Inter) or RU30 (Sanken)
Use a rectifying diode with a peak reverse voltage of 400V or higher,
an average rectification current of 1A or larger and a peak surge current of
20A or larger. When using a large capacitance input capacitor, select a
component that is strong against inrush current during power up.
Full-wave rectification can be used.
1 to 2.2Ω, 1/4W
Reduce the noise terminal voltage.
Determine the ideal value through actual testing.
A varistor is required to protect against lightning surges and static
electricity.
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1/1
Dimensions (Unit : mm)
34.5MAX.
11.3MAX.
1 3 5 7 8 10 12
3.25MAX
0 . 5 ±0 . 1
1 . 3 ±0 . 2
P = 2 . 5 4 ±0 . 2
2.54�11=27.94
0 . 2 5 ±0 . 0 5
7.35MAX.
3.95MAX.
Derating Curve
Derating Curve
900
800
700
600
500
400
Operation Range
300
200
100
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(°C)
Switching Frequency
Switching Frequency
(Ta=25°C, Vi=−141V)
50
40
30
20
10
0
0 100 200 300 400 500 600 700 800
Output Current Io(mA)
Conversion Efficiency
Conversion Efficiency
100
(Ta=25°C, Vi=−141V)
80
60
40
20
0
0 100 200 300 400 500 600 700 800
Output Current Io(mA)
Load Regulation
Load Regulation
(Ta=25°C, Vi=−141V)
13.0
12.5
12.0
11.5
11.0
0 100 200 300 400 500 600 700 800
Output Current Io(mA)
Surface Temperature Increase
Surface Temperature Increase
(Ta=25°C, Vi=−141V)
40
35
30
25
20
15
10
5
0
0 100 200 300 400 500 600 700 800
Output Current Io(mA)
2010.01 - Rev.A