lt3593 Linear Technology Corporation, lt3593 Datasheet - Page 13

• Manufacturer Part Number: lt3593
• Description: 1mhz White Led Driver With Output Disconnect And One Pin Current Programming
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIONS
CURRENT CONTROL
CURRENT CONTROL
3V TO 5V
3V TO 5V
SHUTDOWN AND
SHUTDOWN AND
V
V
IN
IN
Li-Ion Driver For Ten White LEDs
Li-Ion Driver For Ten White LEDs
C1
1μF
C1
1μF
C1: TAIYO YUDEN EMK107BJ105MA
C2: MURATA GRM31MR71H105KA88
L1: MURATA LQH43CN100
D1: CENTRAL CMDSH05-4
C1: TAIYO YUDEN EMK107BJ105MA
C2: MURATA GRM31CR71H225KA88
L1: MURATA LQH43CN220
D1: CENTRAL CMDSH05-4
CTRL
CTRL
V
V
IN
IN
LT3593
LT3593
10μH
GND
22μH
GND
L1
L1
SW
SW
CAP
LED
CAP
LED
D1
D1
3593 TA07a
3593 TA08a
C2
1μF
C2
2.2μF
90
80
70
60
50
40
30
90
80
70
60
50
40
30
0
0
V
10 LEDs
V
10 LEDs
IN
IN
= 3.6V
= 3.6V
5
5
LED CURRENT (mA)
LED CURRENT (mA)
Effi ciency
Effi ciency
10
10
15
15
3593 TA08b
3593 TA07b
20
20
LT3593
13
3593f