lt3593 Linear Technology Corporation, lt3593 Datasheet - Page 12

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

LT3593
TYPICAL APPLICATIONS
12
CURRENT CONTROL
CURRENT CONTROL
CURRENT CONTROL
3V TO 5V
3V TO 5V
3V TO 5V
SHUTDOWN AND
SHUTDOWN AND
SHUTDOWN AND
Li-Ion Driver for Three White LEDs
Li-Ion Driver for Four White LEDs
V
Li-Ion Driver for Six White LEDs
V
V
IN
IN
IN
C1
1μF
C1
1μF
C1
1μF
C1: TAIYO YUDEN EMK107BJ105MA
C2: TAIYO YUDEN GMK316BJ105ML
L1: MURATA LQH43CN100
D1: CENTRAL CMDSH05-4
C1: TAIYO YUDEN EMK107BJ105MA
C2: TAIYO YUDEN GMK316BJ105ML
L1: MURATA LQH43CN100
D1: CENTRAL CMDSH05-4
C1: TAIYO YUDEN EMK107BJ105MA
C2: TAIYO YUDEN GMK316BJ105ML
L1: MURATA LQH43CN100
D1: CENTRAL CMDSH05-4
CTRL
CTRL
CTRL
V
V
V
IN
IN
IN
LT3593
LT3593
LT3593
10μH
10μH
10μH
GND
GND
GND
L1
L1
L1
SW
SW
SW
CAP
LED
CAP
CAP
LED
LED
D1
3593 TA04a
3593 TA05a
D1
3593 TA06a
D1
C2
1μF
C2
1μF
C2
1μF
90
80
70
60
50
40
30
90
80
70
60
50
40
30
90
80
70
60
50
40
30
0
0
0
V
6 LEDs
V
3 LEDs
V
4 LEDs
IN
IN
IN
= 3.6V
= 3.6V
= 3.6V
5
5
5
LED CURRENT (mA)
LED CURRENT (mA)
LED CURRENT (mA)
Effi ciency
Effi ciency
Effi ciency
10
10
10
15
15
15
3593 TA06b
3593 TA04b
3593 TA05b
20
20
20
3593f