LX1994
TM
廬
High Efficiency LED Driver
P
RODUCTION
D
ATA
S
HEET
6 LED EFFICIENCY (3.7V INPUT)
100
90
EFFICIENCY
80
70
60
50
0
5
10
15
20
25
LED CURRENT
EFFICIENCY
14 LED EFFICIENCY (3.7V INPUT)
WWW .
Microsemi
.C
OM
100
90
80
70
60
50
0
5
10
15
20
25
LED CURRENT
HYSTERETIC MODE WAVEFORMS
CONTINUOUS MODE WAVEFORMS
blue = sense voltage
Green = inductor current
blue = sense voltage
Green = inductor current
C
HARTS
C
HARTS
Copyright
漏
2003
Rev. 1.0a, 2004-08-10
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 7