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Data Sheet
100VAC Input/Constant Current
Isolated High-power LED Driver for Illumination
BP5845W
Absolute Maximum Ratings
Dimensions (Unit : mm )
Parameter
Input voltage
Output voltage (limits)
Symbol
Vi
Vo
Limits
170
36
Units
V
V
Conditions
DC
Io=360mA
1
46.0MAX
16
18.3MAX 4.0 ± 1.0
Output voltage (no loal)
Output current
Output control terminal voltage
Vo
Io
VCTL
39
378
12.5
V
mA
V
Io=0mA
5.0
8
13
10
9
Withstand voltage
BV
1.8
kV
1sec (between primary and secondary)
While pin 1 and 8 are shorted and pins 9-16
a shorted, a voltage is applied between them.
3.0
Maximum surface temperature
Operating temperature range
Storage temperature range
Tcmax
Topr
Tstg
105
? 20 to +80
? 25 to +85
° C
° C
° C
Ambient temperature + the module self-heating Tcmax
Refer to derating curve
0.25 ± 0.05
45.75TYP.
Electrical Characteristics
Parameter
Input voltage range
Symbol
Vi
Min.
113
Spec
Typ.
141
Max.
170
Units
V
Conditions
Derating Curve
Output current
Io1
342
360
378
mA
Vi=141V,R1=0.78 ?
? 1
Derating Curve
Output voltage range
Output ripple voltage
Conversion efficiency
Vo
Vp
η
15.0
?
83
?
0.1
88
36
0.5
?
V
Vp-p
%
Vi=141V,Io=360mA
Vi=141V,Io=360mA ? 2
Vi=141V,Vo=36V,Io=360mA
16
14
12
10
NOTE 1 Maximum output current varies depending on ambient temperature. Refer to the derating curve.
NOTE 2 Spike noise is not included in output ripple voltage.
8
6
4
Operation Range
Application Circuit Example 1
Use a fuse for safety
1
F1
8
BP5845W
9 10 13 16
Pin No.
1
2-7
8
9
Terminal name
Input terminal (+)
Skip
Input terminal ( ? )
Output capacitor connection terminal ( ? )
2
0
-30 -20 -10 0 10 20 30 40 50 60 70 80 90
Ambient Temperature Ta( ° C )
D1
R1
10
11-12
LED connection terminal (cathode)
Skip
AC100V
ZNR1
C3
LF1
C4
+
C1
+
C2
13
14-15
16
VCTL terminal
Skip
LED connection terminal (anode)
Output Characteristics
C5
External components setting
0.50
Output Characteristics
Symbol
C1
C2
R1
C3,C4
C5
D1
Application
Input capacitor
Output capacitor
Output current setting resistor
Noise reducsion capacitor
Noise reducsion capacitor
Diodebridge
Characteristics
22 μ F / 250V General purpose
100 μ F / 50V Low Impedance Iteam
0.78 ? 1/4W (Io=360mA)
It should be installed when required. above 125V 0.1 to 0.22 μ F
2200pF (Products with basic isolation certification)
400V/1A
Recommended parts
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0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
R1=0.78 ?
Operation Range
R1=1.8 ?
R1=5.1 ?
F1
LF1
ZNR1
Fuse
Line filter
Varistor
125V/1A
10mH
Use a varistor. Be sure to use it to protect this product from thunder surge and the static electricity.
0.00
10
15
20 25 30
Output Voltage ( V )
35
40
Application Circuit Example 2
BP5845W
VoH 20V PWM style light is made by using the 13pin.
1
8
9
10 13 16
Series Regulator (5V)
VF X n 20V
D1
F1
R1
IN OUT
COM
Micro
computer
Setting current
AC100V
ZNR1
C3
LF1
C4
+
C1
+
C2
Output Current - Setting Resistor Characteristics
0.50
0.45
C5
0.40
0.35
0.30
Use condition
( Ta = 25 ° C )
NO
1
Parameter
LED OFF Voltage
Symbol
VoL
Min.
12.7
Spec
Typ.
13.4
Max.
14.1
Units
V
Conditions
VoH 20V
0.25
0.20
0.15
2
CTL Terminal H Revel VCTL(H)
3
5
10
V
Output OFF (VoL)
0.10
3
CTL Terminal L Revel
VCTL(L)
0
?
0.5 or OPEN
V
Output ON (VoH 20V)
0.05
0.00
Application Circuit Example 3
BP5845W
0.0 1.0
2.0 3.0 4.0 5.0 6.0 7.0
Setting Resistor ( A )
8.0
computer
VoH 20V PWM style light is made by using the 13pin.
VF X n 20V
D1
LF1
1
F1
+
C1
8
9
R1
10 13 16
+
C2
Series Regulator (5V)
IN OUT
Micro
COM
10k ?
Setting resistor how to calculate R1
R1=0.1374/(0.91 x lo-0.151)
lo : Output current
NOTE) A maximum output current is set to 360mA.
Operations beyond this limit are prohibited.
AC100V
ZNR1
C3
C4
C5
Use condition
( Ta = 25 ° C )
NO
1
Parameter
LED OFF Voltage
Symbol
VoL
Min.
12.7
Spec
Typ.
13.4
Max.
14.1
Units
V
Conditions
VoH 20V
2
3
PWM Signal H Revel VCTL(H)
PWM Signal L Revel VCTL(L)
3
0
5
?
10
0.5
V
V
4
PWM Signal cycle
fosc
1
10
20
kHz
Note 3
NOTE 3 Frequency is to be decided after you confirm it with the actual opportunity.
www.rohm.com
?20 10 ROHM Co., Ltd. All rights reserved.
1/ 1
20 10 . 01 - Rev.A
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