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PDF BP5723-33 Data sheet ( Hoja de datos )
| Número de pieza | BP5723-33 | |
| Descripción | Isolated AC/DC Converter | |
| Fabricantes | ROHM Semiconductor | |
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Data Sheet
100-220VAC Input/3.3VDC (3A) Output
Isolated AC/DC Converter
BP5723-33
Absolute Maximum Ratings
Parameter
Symbol
Limits
Unit
Conditions
11 pin input voltage
VD
700
V
7 pin input voltage
VDD
25
V
11 pin input currents
ID
500 mA PEAK
8 pin input currents
IDD
10
mA
Maximum output power
Po
10
W
Withstand voltage
VI
3 kW 1 sec (Primary - Secondary)
Permission temperature Tcmax
105
°C Contain a self-fever
Operating
temperature range
Topr −25 to +80
°C
Storage temperature
range
Tstg −30 to +105
°C
Dimensions (Unit : mm)
38.5MAX
10.9MAX.
3.3MAX.
12
P=2.54±0.2
678 9
0.5±0.1
1.3±0.2
2.54�10=25.4(TYP)
11
7.2MAX.
Derating Curve
0.25±0.05
3.7MAX.
Electrical Characteristics
Parameter
Symbol
Pin 11 input voltage
Operating power
voltage(Pin 7)
VD
VDD
Rated output voltage Vo
Rated output current Io
Min.
−
8.5
3.13
0
Line regulation
∆Vr −
Load regulation
Output ripple voltage
Power conversion
efficiency
∆VI
∆γ
η
−
−
70
*1: Operation start voltage becomes 16 to 18 V.
*2: Pulse noise does not include it.
Typ.
−
14
3.3
−
10
10
100
79
Max.
650
20
3.47
3.0
200
200
500
−
Sample Application Circuit
Be sure to use fuse for safety.
D1 F1
T1 D2
Vo=3.3V
Io=3.0A
Vi
ZNR C5
+
C1 −
C4
R2
R1
++
C2A
−−
C2B
D3
C6
D4
+
C3
−
6 9 8 11 7
21
BP5723-33
Unit
V
V
V
A
mV
mV
mVpp
%
Conditions
Vi=141V Io=3A
Vi=141V Io=1A *1
Vi=141V, Io=2A
Refer to derating curve
Vi=113 to 374V DC
Io=2A
Vi=141V, Io=0 to 2A
Vi=141V, Io=2A *2
Vi=141V, Io=3A
NPion. Name
Terminal function
1
Vo
Secondary output voltage
control terminals.
2
GND
GND terminals for the
Secondary side output.
6
Vi(−)
The primary side input
minus terminal.
7
VDD
The power supply terminal
of an inside circuit.
8 Vs Triggering terminal.
9 NC NC pin.
11
VD
It is the drain terminal of
inclusion FET.
12
10
8
6 Operation Range
4
2
0
-30-20-10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(°C)
Switching Frequency
70
60
50
40
30
20
10
0
Vi=141V
Vi=311V
0 500 1000 1500 2000 2500 3000
Output Current Io (mA)
Conversion Efficiency
90
80
70
60
50
40
30
20
10
Vi=141V
Vi=311V
0
0 500 1000 1500 2000 2500 3000
Output Current Io (mA)
External Component Specifications
C1: Input Capacitor
C2A: Output Capacitor
C2B: Output Capacitor
C3: Output Capacitor
C4: Noise Removal Capacitor
C5: Noise Removal Capacitor
C6: Noise Removal Capacitor
33µF / 450V
560µF / 10V
High polymer aluminum solid capacitor
560µF / 10V
High polymer aluminum solid capacitor
10µF / 50V Low impedance type
4700pF / 1kV
Use if necessary
Use if necessary
D1: Diode bridge
D2: Shottkey diode
D3: Rectification Diode
D4: Rectification Diode
R1: Resistance
R2: Resistance
T1: Switching transformer
F1: Fuse
ZNR: Varistor
−
30V / 15A
1kV / 1A
80V / 0.13A
47kΩ±5% 3W DC300V or greater
1.5MΩ±5% 0.25W 750V or greater
Custom
Be sure to use a fuse for the safety.
A varistor is required to protect against
lightning surges and static electricity.
Load Regulation
4
3.5
3
2.5
2
1.5
1
0.5
Vi=141V
Vi=311V
Maximum
Io=1000mA
0
0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000
Output Current Io (mA)
Operation Notes
An excessively large capacitance at C2 may cause the output to become inactive. Therefore, a capacitance between 500 to 2200µF is recommended, with a rise time of 10us or
less.
The capacitance of C3 should be 10µF, since an excessively small value will result in malfunction. The activation time is defined as : t(s)=R2*C3 ln[1-17/(VI-30µA*R2)], where VI is
the DC voltage after smoothing.
The resistance of R2 should be 1.5MΩ, since an excessively small value will result in malfunction.
Overcurrent (reset type) and overvoltage (latch type) protection circuits are built in, preventing damage from occurring due to unexpected conditions. The overvoltage protection
circuit shuts down operation once VDD exceeds 20V. In order to reset the input capacitor C4 must be discharged and the power turned back on.
www.rohm.com
©2010 ROHM Co., Ltd. All rights reserved.
1/1
2010.01 - Rev.A
1 page | ||
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