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PDF BP5842A Data sheet ( Hoja de datos )
| Número de pieza | BP5842A | |
| Descripción | High-power LED Drivers | |
| Fabricantes | ROHM Semiconductor | |
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High-power LED Drivers for Ιllumination
AC100V input, constant current
BP5842A
Absolute Maximum Ratings
Parameter
Input voltage
Output voltage
Withstand voltage
Symbol
Vi
Vo
BV
Limits
170
4
1.8
Maximum surface temperature Tcmax
105
Operating temperature range Topr
Storage temperature range Tstg
−20 to +80
−25 to +85
Unit
V DC
Vpk
kV 1s (between primary and secondary)
°C Ambient temperature + module
self-heating Tcmax
°C Refer to derating curve
°C
Electrical Characteristics
Parameter
Symbol Min. Typ. Max. Unit
Conditions
Input voltage range Vi 113 141 170 V
Output current
Output voltage range
Output ripple voltage
Power conversion efficiency
Io
Vo
Vp
η
0.91 0.96
2.5 −
−−
79 84
1.0 A Vi=141V, R1=0.3Ω (1%)
4 V Vi=141V, lo=0.96A
0.5 Vp-p Vi=141V, lo=0.96A
− % Vi=141V, Vo=4V, lo=0.96A
∗1 Maximum output current varies depending on ambient temperature ; please refer to derating curve.
∗2 Spike noise is not included in output ripple voltage.
Dimensions (Unit : mm)
32.6MAX.
15.8MAX.
MARKING SIDE
3.55MAX
1 34 5
9 10 11
0.75±0.1
1.3±0.2
P=2.54±0.2
2.54x10=25.4 TYP.
4.75MAX.
0.5±0.05
11.05MAX.
Derating Curve
Derating Curve
5
4
3
2 Operation Range
1
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(°C)
Application circuit
BP5842A
BP5842A
Be sure to use fuse for safety
ZNR1 C3
D1
LF1
C4
1 3 9 10 11
F1
R1
+
C1
C5
C2
External components setting
C1 : Input Capacitor
10µF/250V
C2 : Output Capacitor
40µF/25V Ceramics capacitor
R1 : Output current setting resistor 0.3Ω ±1 % 1/4W (lo=960mA)
C3, C4: Noise Removal
Capacitor
Please use the capacitor, if necessary.
Capacitance : 0.1µF to 0.22µF
Rated voltage : 250V or higher
C5 : Noise Removal Capacitor 2200pF (Basic insulation)
D1: Diode bridge
800V/1A
F1: Fuse
Fuse must be used for safety
LF1: Line Filter
10mH
ZNR1: Varistor
Varistor must be used. It protects this
part from lighting surge and static electricity.
Pin No.
Function
1 Input terminal (+)
2 Skip
3 Input terminal (−)
4 NC
5 NC
6 Skip
7 Skip
8 Skip
9 Output capacitor connection terminal
10 LED connection terminal (cathode)
www.DataSheet.co.kr
11 LED connection terminal (anode)
Output Characteristics
1.40
1.20
1.00
0.80
0.60
0.40
0.20
0.00
1
Output characteristics
R1=0.3Ω
Operation Range
R1=
234
Output Voltage(V)
5
Setting current
Output current-Setting resistor
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.650 0.700 0.750 0.800 0.850 0.900 0.950 1.000
Output current : (A)
How to calculate R1
R1=0.04983/(0.33 lo-0.151)
lo : Output current
Datasheet pdf - http://www.DataSheet4U.net/
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet BP5842A.PDF ] | |
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