Datasheet

LT3591
14
3591f
TYPICAL APPLICATIONS
CTRL
V
IN
C2
2.2µF
C1
1µF
L1
22µH
V
IN
3V TO 5V
R
SENSE
10Ω
3591 TA07a
LT3591
SHUTDOWN AND
DIMMING CONTROL
SW
CAP
LED
GND
C1: TAIYO YUDEN EMK107BJ105MA
C2: MURATA GRM31CR71H225KA88
L1: TAIYO YUDEN NR4018T220M
LED CURRENT (mA)
0
EFFICIENCY (%)
50
55
60
15
85
80
3591 TA07b
510 20
65
70
75
V
IN
= 3.6V
7 LEDs
CTRL
V
IN
C2
2.2µF
C1
1µF
L1
22µH
V
IN
3V TO 5V
R
SENSE
10Ω
3591 TA08a
LT3591
SHUTDOWN AND
DIMMING CONTROL
SW
CAP
LED
GND
C1: TAIYO YUDEN EMK107BJ105MA
C2: MURATA GRM31CR71H225KA88
L1: TAIYO YUDEN NR4018T220M
LED CURRENT (mA)
0
55
EFFICIENCY (%)
60
85
80
3591 TA08b
20
65
70
75
15
510
V
IN
= 3.6V
8 LEDs
Li-Ion Driver for Seven White LEDs Conversion Effi ciency
Li-Ion Driver for Eight White LEDs Conversion Effi ciency