Data Sheet
100VAC Input/2.5V-12V (250-360mA) Output
Isolated High-power LED Driver for Illumination
BP5844
Absolute Maximum Ratings
Parameter
Input voltage
Output voltage (limits)
Output voltage (no load)
Output current
Output control terminal voltage
Withstand voltage
Maximum surface temperature
Operating temperature range
Storage temperature range
Symbol
Vi
Vo
Vo
Io
VCTL
BV
Tcmax
Topr
Tstg
Limits
170
12
12.5
378
12.5
1.8
105
-20 to +80
-25 to +85
Units
V
V
V
mA
V
kV
°C
°C
°C
Dimensions (Unit :
mm
)
33.5MAX.
15.1MAX.
MARKING SIDE
4.0±1.0
1
3
4
5
8
9 10 11
0 . 5
±0
. 1
0.75±0.1
3.9MAX
1 . 3
±0
. 2
2 . 5 4
±0
. 2
4.4MAX.
10.7MAX.
Electrical Characteristics
Parameter
Input voltage range
Output current
Output voltage range
Output ripple voltage
Conversion efficiency
Symbol
Vi
Io
Vo
Vp
η
Min.
113
342
2.5
-
80
Spec
Typ.
141
360
-
-
85
Max.
170
378
12
0.5
-
Units
V
mA
V
Vp-p
%
Conditions
-
∗1
Vi=141V,R1=0.78Ω
Vi=141V,Io=360mA
∗2
Vi=141V,Io=360mA
Vi=141V,Vo=12V,Io=360mA
2.54
½
10=25.4TYP.
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. Refer to the derating curve.
∗2
Spike noise is not included in output ripple voltage.
Application Circuit Example
BP5844
Use a fuse for safety.
1
F1
AC100V
3
8
9 10 11
Output control
terminal
R1
D1
LF1
+
C1
C5
ZNR1
C3
C4
Please verify operation and characteristics in the customer's circuit before actual usage.
Ensure that the load current does not exceed the maximum rating.
Conversion Efficiency
η
[%]
Pin No.
1
2
3
4,5
6-7
8
9
10
11
Terminal name
Input terminal (+)
Skip
Input terminal (-)
N.C
Skip
Output capacitor connection terminal (-)
LED connection terminal (cathode)
LED connection terminal (anode)
VCTL terminal
Output Characteristics
100
90
80
70
60
50
40
30
20
10
0
0.00
CONVERSION EFFICIENCY
(Vi=141V, R1=0.78
Ω
, Ta=25
°C
)
Operation Range
External Component Specifications
C1 : Input capacitor
C2 : Output capacitor
R1 : Output current setting resistor
C3,C4: Noise reduction capacitor
C5: Noise reduction capacitor
D1: Diode bridge
F1: FUSE
LF1: Line filter
ZNR1: Varistor
Output Voltage Vo[V]
10µF / 250V (general purpose)
47µF / 25V low impedance type
0.78Ω(0.22Ω+0.56Ω)±1% 1/4 (Io=360mA)
By changing R1 it is possible to adjust output voltage.
Refer the Output Voltage Setting graph at right
Use if required
adove 125V 0.1 to 0.22µF
2200pF(Products with basic isolation certification)
400V / 1A
Use a fuse for safety.
10mH
A varistor is required to protect against lightning surges
and static electricity.
BP5844
1
F1
R1
2.00
4.00
6.00
8.00
10.00 12.00 14.00
Output Voltage Vo[
V]
Load Regulation
14.0
12.0
10.0
8.0
6.0
4.0
2.0
0.0
0
100
200
300
400
500
Output Current Io[mA]
600
Operation Range
LOAD REGULATION
(Vi=141V, R1=0.78
Ω
, Ta=25
°C
)
PWM dimming circuit
VoH 9V PWM dimming by
using the 11pin
VF X n 9V
AC100V
LF1
ZNR1
C3
C4
D1
+
C1
3
8
9 10 11
3 Terminal Reg(5V)
IN OUT
COM
Micro
computer
10kΩ
Output voltage setting
Output current-Setting resistor characteristic
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.24
+
C2
C5
PWM signal
Phase control dimming circuit
PWM dimming is possible by configuring a phase control circuit at the input side.
PWM dimming signal
In case of using PWM or phase
control dimming, please input the
PWM signals at the VCTL pin.
Parameter
LED OFF Voltage
PWM Signal H level
PWM Signal L level
PWM Signal freqency
Symbol
Min.
Spec
Typ.
Setting resistor : R1(
Ω
)
Max.
Units Conditions
0.26
0.28
0.30
0.32
0.34
0.36
VoL
6.5
VCTL(H) 3
VCTL(L) 0
fosc
90
6.9
5
-
100
7.3
V VoH 9V
10
V
0.5
V
132 kHz
∗3
Output Current(A)
How to calculate setting resistor R1
R1=0.13741/(0.91 x lo-0.151)
lo : Output current
Note) A maximum output current is set to 360mA.
Operation beyond this limit are prohibited.
∗3
Flickering may occur due to LED load. Please evaluate with the actual application to determine the frequency.
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1/1
2010.01 - Rev.A
MARKING SIDE
24.5MAX.
0.38
Notice
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