bp5841 ROHM Co. Ltd., bp5841 Datasheet
bp5841
Manufacturer Part Number
bp5841
Description
High-power Led Drivers For ,llumination
Manufacturer
ROHM Co. Ltd.
Datasheet
1.BP5841.pdf
(3 pages)
External components setting
C1 : Input Capacitor
C2 : Output Capacitor
R1 : Output current setting resistor
C3, C4: Noise Removal
C5 : Noise Removal Capacitor
D1: Diode bridge
F1: Fuse
LF1: Line Filter
ZNR1: Varistor
∗1 Maximum output current varies depending on ambient temperature ; please refer to derating curve.
∗2 Spike noise is not included in output ripple voltage.
Input voltage range
Output current
Output voltage range
Output ripple voltage
Power conversion efficiency
Input voltage
Output voltage
Withstand voltage
Maximum surface temperature
Operating temperature range
Storage temperature range
High-power LED Drivers for ,llumination
AC100V input, constant current
Absolute Maximum Ratings
Electrical Characteristics
Application circuit
Capacitor
Parameter
Parameter
ZNR1
BP5841
C3
Be sure to use fuse for safety
Symbol
LF1
Vo
Vp
10µF/250V
40µF/25V Ceramics capacitor
0.91Ω ±1 % 1/4W (lo=330mA)
Please use the capacitor, if necessary.
Capacitance : 0.1PF to 0.22PF
Rated voltage : 250V or higher
2200pF (Basic insulation)
800V/1A
Fuse must be used for safety
10mH
Varistor must be used. It protects this
part from lighting surge and static electricity.
Vi
Io
η
C4
Symbol
Tcmax
Topr
Tstg
BV
Vo
Vi
D1
Min.
113
315
2.5
79
20 to +80
25 to +85
Limits
F1
Typ.
141
330
170
105
84
1.8
16
1
+
C1
3
BP5841
C5
Max.
170
349
0.5
16
9
R1
Unit
Vpk
kV
°C
°C
°C
V
10 11
Vp-p
C2
Unit
mA
%
V
V
DC
1s (between primary and secondary)
Ambient temperature + module
self-heating
Refer to derating curve
Vi=141V, R1=0.91: (1%)
Vi=141V, lo=330mA
Vi=141V, lo=330mA
Vi=141V, Vo=16V, lo=330mA
Pin No.
10
11
Conditions
1
2
3
4
5
6
7
8
9
Tcmax
Input terminal (+)
Skip
Input terminal ()
NC
NC
Skip
Skip
Skip
Output capacitor connection terminal
LED connection terminal (cathode)
LED connection terminal (anode)
Function
2.6±1.4
Derating Curve
Dimensions (Unit :
Setting current
Output Characteristics
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
1
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
6
5
4
3
2
1
0
-30 -20 -10
0.24
2.54x10=25.4 (Typ.)
How to caluculate R1
R1=0.13741/(0.91 x lo-0.151)
lo : Output current
0
3 4 5
0.5±0.1
2
32.5±0.4
Ambient Temperature Ta(
Output current-Setting resistor
0.26
P=2.54
4
Output characteristics
0 10
Output voltage (V)
Operation Range
Operation Range
Derating Curve
Output current : (A)
6
0.28
±
R1=0.91:
0.2
20
9 10 11
BP5841
R1=
8
30
0.30
10
40
4.5Max.
50
12
°C
0.32
mm
60
14
)
70
16
)
15.1Max.
0.34
80
10.6Max.
0.25±0.05
90
18
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bp5841 Summary of contents
Page 1
... NC 6 Skip 7 Skip 8 Skip R1 9 Output capacitor connection terminal 10 LED connection terminal (cathode LED connection terminal (anode BP5841 Dimensions (Unit : ) mm 32.5±0.4 15.1Max 0.5±0.1 0.25±0.05 P=2.54 ± 0.2 2.6±1.4 2.54x10=25.4 (Typ.) 10.6Max. 4.5Max. Derating Curve Derating Curve 6 ...
Page 2
...
Page 3
Appendix No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product ...