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SM8130A50D 데이터시트(PDF) 5 Page - Nippon Precision Circuits Inc

부품명 SM8130A50D
상세설명  White LED Driver IC
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제조업체  NPC [Nippon Precision Circuits Inc]
홈페이지  http://www.npc.co.jp/en
Logo NPC - Nippon Precision Circuits Inc

SM8130A50D 데이터시트(HTML) 5 Page - Nippon Precision Circuits Inc

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SM8130 series
NIPPON PRECISION CIRCUITS INC.—5
FUNCTIONAL DESCRIPTION
LED driving current is able to control by regulating CONT pin input voltage. The relation between VCONT and
ILED is ILED [A] = 0.04 × VCONT [V]. If CONT pin input voltage is over the limit value, the LED current lim-
iter turns on to keep ILED at a constant limit current. By the CONT input hysteresis, VCONT – ILED relation
has a discontinuity area at limiter turning off.
TYPICAL APPLICATIONS
VCONT
ILED/pcs
IIN
0.125V
5mA/pcs
35mA
0.250V
10mA/pcs
65mA
0.375V
15mA/pcs
95mA
0.500V
20mA/pcs
125mA
VCONT
0.75V
ILED control
voltage input
ILED
30mA
ILED current
hys
5mA
Limiter on
ILED = VCONT 0.04 [A]
VREF
AMP
Soft Start
Driver
OSC
MOS
Switch
C1P
C1M
DIN1
VIN
ENA
Current
Control
Current
Limiter
CONT
VSS
DIN2
DIN3
1.0
µF
VOUT
4.7
µF
ILED
DC
2.7 to 4.6V
4.7
µF
VCONT
IIN


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