LT3506/LT3506A
U
TYPICAL APPLICATIO S
Low Ripple, Low Profile 1.2V, 3A Converter, Maximum Height = 2mm
V
IN
4.5V TO 21V
D3a
D3b
22µF
V
V
IN2
IN1
BOOST1
LT3506
L1
4.1µH
0.22µF
V
1.2V
3A
OUT2
V
V
SW1
C1
C2
1000pF
20k
D1
D2
BOOST2
V
OUT
L2
0.22µF
4.7nF
4.1µH
RUN/SS1
RUN/SS2
PGOOD1
PGOOD2
SW2
100k
PGOOD
FB1
FB2
16.2k
GND
32.4k
68µF
D1, D2: DIODES, INC. B230A
D3: BAT-54A
L1, L2: SUMIDA CDRH5D18-4R1
3506 TA03
Two Stage Step Down, Up to 25V Input to 1.2V Output
V
IN
8V TO 25V
D3a
D3b
22µF
V
V
IN2
IN1
BOOST1 BOOST2
LT3506
L1
10µH
L2
2.2µH
0.22µF
0.22µF
V
V
1.2V
1.5A
OUT1
5V
1A
OUT2
SW1
FB1
SW2
FB2
69.8k
16.2k
1500pF
1000pF
V
V
C2
C1
D1
D2
47µF
13.3k
15k
20k
32.4k
68µF
100k
RUN/SS1 PGOOD1
RUN/SS2
4.7nF
PGOOD2
GND
3506 TA04
PGOOD
D1, D2: ON SEMICONDUCTOR MBRS230LT3
D3: BAT-54A
L1: COOPER UP1B-100
L2: COOPER UP0.4C-2R2
3506afb
ꢁ0
Linear [ Linear ]
