Data Sheet
100VAC Input/Constant Current
Isolated High-power LED Driver for Illumination
BP5842A
Absolute Maximum Ratings
Parameter
Input voltage
Output voltage
Withstand voltage
Maximum surface temperature
Operating temperature range
Storage temperature range
Symbol
Vi
Vo
BV
Tcmax
Topr
Tstg
Limits
170
4
1.8
105
−20
to +80
−25
to +85
Unit
V
Vpk
kV
°C
°C
°C
DC
24.0MAX.
Dimensions (Unit :
mm
)
Conditions
32.6MAX.
Marking Side
15.8MAX.
1s (between primary and secondary)
Ambient temperature + module
self-heating Tcmax
Refer to derating curve
MARKING SIDE
4.0±1.0
1
3 4 5
0.75±0.1
1.3±0.2
9 10 11
0.5±0.05
P=2.54±0.2
4.75MAX.
11.05MAX.
3.55MAX
2.54x10=25.4 TYP.
Electrical Characteristics
Symbol Min.
Parameter
Input voltage range
113
Vi
Output current
0.91
Io
Output voltage range Vo
2.5
Output ripple voltage
−
Vp
Power conversion efficiency
79
η
Typ.
141
0.96
−
−
84
Max.
170
1.0
4
0.5
−
Unit
V
A
V
Vp-p
%
Conditions
Vi=141V, R1=0.3Ω (1%)
∗1
Vi=141V, lo=0.96A
Vi=141V, lo=0.96A
∗2
Vi=141V, Vo=4V, lo=0.96A
Derating Curve
5
Output Power (W)
4
3
2
1
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta(
°C
)
Operation Range
Derating Curve
∗1
Maximum output current varies depending on ambient temperature ; please refer to derating curve.
∗2
Spike noise is not included in output ripple voltage.
Application Circuit
BP5842A
Be sure to use fuse for safety
F1
R1
D1
LF1
ZNR1
C3
C4
+
C1
C5
C2
Pin No.
1
2
3
4
5
6
7
8
9
10
11
Function
Input terminal (+)
Skip
Input terminal (−)
NC
NC
Skip
Skip
Skip
Output capacitor connection terminal
LED connection terminal (cathode)
LED connection terminal (anode)
Output Characteristics
Output characteristics
1.40
1.20
1.00
0.80
0.60
0.40
0.20
0.00
1
Output Current (A)
1
3
9
10 11
R1=0.3Ω
Operation Range
R1=
2
3
4
Output Voltage(
V
)
5
Current Setting
Output current-Setting resistor
External Component Specifications
C1 : Input Capacitor
C2 : Output Capacitor
R1 : Output current setting
resistor
C3, C4: Noise Removal
Capacitor
10µF/250V
40µF/25V ceramic capacitor
0.3Ω
±1
% 1/4W (lo=960mA)
Use if necessary
Capacitance : 0.1µF to 0.22µF
Rated voltage : 250V or higher
Setting resistor : R1(Ω)
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
C5 : Noise Removal Capacitor 2200pF (Basic insulation)
D1: Diode bridge
F1: Fuse
LF1: Line Filter
ZNR1: Varistor
800V/1A
A fuse must be used for safety
10mH
A varistor is required to protect against lightning surges
and static electricity.
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