lt3475efe-trpbf Linear Technology Corporation, lt3475efe-trpbf Datasheet - Page 17

• Manufacturer Part Number: lt3475efe-trpbf
• Description: Dual Step-down 1.5a Led Driver
• Manufacturer: Linear Technology Corporation

TYPICAL APPLICATIONS
CURRENT
2.2 μ F
1.5A LED
10V
C4
D1, D2: B240A
D3, D4: MBR0540
C1 TO C5: X5R OR X7R
5V TO 36V
D1, D2: B240A
D3, D4: MMSD4148T1
C1 TO C5: X5R OR X7R
C4
2.2 μ F
6.3V
10V TO 36V
D3
V
10 μ H
0.1 μ F
D3
IN
L2
C6
V
15 μ H
0.1 μ F
LED 1
LED 3
Dual Step-Down LED Driver with Series Connected LEDs
IN
L2
C6
D1
C1
4.7 μ F
50V
C2
0.22 μ F
6.3V
D1
C1
4.7 μ F
50V
C2
0.22 μ F
10V
BOOST1
SW1
OUT1
V
REF
V
Step-Down 3A LED Driver
C1
ADJ1
BOOST1
SW1
OUT1
LED1
V
REF
V
C1
ADJ1
V
IN
V
IN
LT3475
GND
LT3475
GND
SHDN
BOOST2
SHDN
V
OUT2
LED1
LED2
BOOST2
SW2
ADJ2
V
R
V
C2
OUT2
LED2
SW2
T
ADJ2
V
R
C2
T
0.22 μ F
6.3V
0.22 μ F
C3
D2
10V
R1
24.3k
C3
D2
R1
24.3k
f
SW
10 μ H
f
= 600kHz
SW
L1
C7
0.1 μ F
LED 1
2.2 μ F
6.3V
15 μ H
3475 TA04
L1
= 600kHz
C5
LED 2
C7
0.1 μ F
LED 4
D4
3475 TA05
D4
LT3475/LT3475-1
3A LED
CURRENT
1.5A LED
CURRENT
C5
2.2 μ F
10V
17
3475fb