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