Datasheet

LT3506/LT3506A
20
3506afc
Low Ripple, Low Profi le 1.2V, 3A Converter, Maximum Height = 2mm
Two Stage Step Down, Up to 25V Input to 1.2V Output
V
IN
4.5V TO 21V
3506 TA04
68µF
22µF
0.22µF
0.22µF
32.4k
16.2k
20k
1000pF
L1
4.1µH
L2
4.1µH
V
OUT2
1.2V
3A
100k
4.7nF
V
C1
V
C2
RUN/SS1
RUN/SS2
PGOOD1
PGOOD2
BOOST1
SW1
BOOST2
SW2
FB1
FB2
LT3506
V
IN2
V
IN1
GND
D1, D2: DIODES, INC. B230A
D3: BAT-54A
L1, L2: SUMIDA CDRH5D18-4R1
PGOOD
D1
D2
D3a D3b
V
OUT
V
IN
8V TO 25V
3506 TA05
68µF47µF
22µF
0.22µF 0.22µF
32.4k 100k
69.8k
16.2k
L2
2.2µH
L1
10µH
V
OUT2
1.2V
1.5A
V
OUT1
5V
1A
13.3k 15k 20k
4.7nF
BOOST1
SW1
FB1
V
C1
RUN/SS1
RUN/SS2
BOOST2
SW2
FB2
V
C2
PGOOD1
PGOOD2
LT3506
V
IN2
V
IN1
GND
L1: COOPER UP1B-100
L2: COOPER UP0.4C-2R2
D1, D2: ON SEMICONDUCTOR MBRS230LT3
D3: BAT-54A
PGOOD
D1
D2
D3a D3b
1500pF 1000pF
TYPICAL APPLICATIONS