파트넘버.co.kr BL8585 데이터시트 PDF


BL8585 반도체 회로 부품 판매점

LINEAR LED DRIVER



SHANGHAI BELLING 로고
SHANGHAI BELLING
BL8585 데이터시트, 핀배열, 회로
DESCRIPTION
The BL8585 is a high-voltage adjustable
current source with accurate temperature
compensation. The device is designed to
provide a constant current source determined
by an external sense resistor Rsense. The
current is adjustable from 10mA to 20mA
with less than 10% error while input changes
from 5V to 90V. With an external resistor (R1
in Figure 1) between VA and IS pin, the heat
in the IC can be significantly reduced while
keeping the summation of IC and R1 current
to be constant. This is extremely useful in the
area that power lines are not very stable. A
typical application for the BL8585 is to drive
LEDs with a constant current varies from 10-
20mA. They can also be used in parallel to
provide higher current according to the bias.
This device is available in TO-92 package.
TYPICAL APPLICATION CIRCUIT
BL8585
WIDE RANGE, LINEAR LED DRIVER
FEATURES
Wide operation range: from 5V to
90V(VA-B)
TO-92 packages available
ILED can be programmed from 10mA to
20mA via changing Rsense
Power dissipation can be adjusted
Easy to use, only 3 pins and very little
external components are needed
Can be paralleled for higher current
Temperature compensated
APPLICATIONS
Industrial lamp indicators
LED driver
Accent lighting
Automotive
Constant current source
Constant current sink
PIN CONFIGURATIONS
R1
BL8585
Rsense
{VLED
www.belling.com.cn
1


BL8585 데이터시트, 핀배열, 회로
BL8585
MARKING INFORMATION
Marking information
Marking
Description
8585
YYBZZ
8585
YY
B
ZZ
Product code
Lot NO.
FAB code
Date code
ORDERING INFORMATION
Code
1
2
3
BL8585 1 2 3
Description
Temperature & Rohs:
C: -40~85C,Pb Free Rohs Std.
Package type:
H: TO-92
Packing type:
PT: Paper type
BG: Bag (TO-92)
ABSOLUTE MAXIMUM RATING
Name
Max Supply Voltage
Thermal resistance
Maximum Junction temperature
Storage temperature
Symbol
VA-B
ΘJA
TJ
Tst
ELECTRICAL CHARACTERISTICS
Symbol
Item
Conditions
Min
VA-B Operating Input Voltage
IA-B Current regulation
VIS Current sense voltage
TJ
Operating junction
temperature
N/A
VA-B=5-90V,
ISET=20mA
5
-10
-45
BLOCK DIOGRAM
Value
90
170
150
-55 to150
Unit
V
/W
Typ Max Unit
90 V
+10 %
0.6 V
125
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2




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BL8585 led

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