BP5726-15 Datasheet, PDF (1/3 Pages) Rohm – Non-isolated AC/DC Converter

Non-isolated AC/DC Converter
AC 220V input, 15V/800mA output
BP5726-15
Absolute Maximum Ratings
Parameter
Symbol
Limits
Unit
Conditions
7-pin input voltage
VD
800
V
4-pin input voltage
VFB
24
V
7-pin input Current
ID
400
mA
Maximum power
Po
12
W
Allowable maximum
surface temperature
Tcmax
105
°C
Ambient temperature + module
self-heating Tcmax
Operating
temperature range
Topr −25 to +80
°C
Storage temperature
range
Tstg −40 to +105
°C
Dimensions (mm)
22.5 MAX.
7.8 MAX.
3.25 MAX.
1 23 45 7
0.5±0.1
1.3±0.2
P=2.54±0.2
2.54 x 6= 15.24(TYP.)
0.25±0.05
5.55 MAX.
Electrical Characteristics
(Unless otherwise noted, Vi=311V, rated load Ta=25°C)
Parameter
Symbol Min.
Typ.
Output voltage
Vo
14.0 15.0
Output current
Io
0
−
Line regulation
Vr
Load regulation
VI
Output ripple voltage Vp
Power conversion
efficiency1
η1
Power conversion
efficiency2
η2
∗1: Pulse noise is not included.
−
30
−
80
−
150
75
85
35
49
Max.
16.0
800
150
500
500
−
−
Unit
V
mA
mV
mV
mVpp
%
Conditions
Io=800mA
Refer to derating curve
Vi=240V to 390VDC
Io=800mA
Io=50mA to 800mA
∗1
% Io=20mA
Sample Application Circuit
Vin+
Vin-
Be sure to use fuse for safety.
T1
R2 _R1
C2
C3
D2
D1
C1
D3
C4
7 5 43 21
Vo:15V/400mA
GND
Vo:12V/500mA
GND
Pin
No.
Name
Function
1
Vo
This is the output detection
terminal.
2
Vo
This is the output detection
terminal.
3
Vin(-)
This is the primary side input
minus terminal.
4
VFB Feedback terminal
This is the start terminal.
5
Vs Connect this via the external
resistor (750kΩ) to Vi (+).
This is the built-in FET of drain
terminal. The primary coil
7
VD
minus side of the external
transformer, and the snubber
circuit for noise reduction are
connected to this.
External Component Settings
C1, C4: Capacitor for output voltage
470µF/35V Low impedance for power supply
smoothing
Rated ripple current 1.4Arms or higher ESR 35mΩ or below
C2: For noise terminal voltage reduction 2200pF/1kV
C3: Capacitor for input voltage smoothing 33µF/450V General purpose one
D1, D3: Rectifier diode
90V/6A
D2: Rectifier diode
1kV/1A
R1: Resistor
100kΩ ±5% 3W
Limiting element voltage 300V or higher
R2: Resistor
750kΩ ±5% 0.25W
Limiting element voltage 600V or higher
T1: Switching transformer
Custom one
Derating Curve
12
6
Operation Range
-30-20-10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(°C)
Conversion Efficiency
100
90
80
70
60
50
40
30
20
10
0
0
100 200 300 400 500 600 700 800 900 1000
Output Current of Vo12(mA)
Load Regulation
18.0
16.0
14.0
12.0
10.0
8.0
6.0
4.0
2.0
0.0
0
200 400 600 800 1000 1200
Output Current(mA)