LT3505 LINER [Linear Technology], LT3505 Datasheet - Page 27

• Manufacturer Part Number: LT3505
• Description: Monolithic Dual Tracking 3A Step-Down Switching
• Manufacturer: LINER [Linear Technology]

Typical applicaTions
5.5V TO 24V
V
IN
V
OUT1
3.3V
6A
V
OUT1
3.3V
Dual LT3501 Synchronized 3.3V/12A Output, 3MHz Effective Switch Frequency
10µF
PMEG4005
47µF
×2
V
IN
24.9k
8.06k
4.5V TO 6V
8.06k
PMEG4005
47µF
×4
1.5µH
*ADDITIONAL COMPONENTS ADDED TO SHOW THE BOOST VOLTAGE WHEN V
THIS IS REQUIRED TO ENSURE LOAD SHARING BETWEEN THE TWO CHANNELS.
24.9k
100k
1.25MHz Single 3.3V/6A Low Ripple Output
4.7µF
0.47µF
B360A
22pF
PMEG4005*
3.3µH
3.3µH
47pF
17.8k
1µF*
36.5k
1000pF
15.3k
3300pF
PMEG4005
0.47µF
B360A
143k
0.47µF
B360A
0.1µF
SHDN
BST1
SW1
IND1
V
PG1
FB1
V
SS/TRACK1
OUT1
C1
0.1µF
V
SHDN
BST1
SW1
IND1
V
PG1
FB1
V
SS/TRACK1
SHDN
BST1
SW1
IND1
V
PG1
FB1
V
SS/TRACK1
IN1
OUT1
C1
OUT1
C1
LT3501
V
V
GND
IN1
IN1
SS/TRACK2
LT3501
LT3501
GND
GND
V
R
IN2
T
/SYNC
SS/TRACK2
SS/TRACK2
V
BST2
IND2
SW2
OUT2
PG2
FB2
V
V
R
V
R
C2
IN2
T
IN2
T
/SYNC
/SYNC
V
V
BST2
BST2
IND2
IND2
SW2
OUT2
SW2
OUT2
PG2
PG2
FB2
V
FB2
V
C2
C2
PMEG4005*
0.47µF
0.47µF
IN
20.5k
49.9k
3501 TA04
<6V.
B360A
0.47µF
PMEG4005
B360A
B360A
3.3µH
3.3µH
1.5µH
PMEG4005
133k
3501 TA03
PMEG4005
V+
SET
MOD
GND
LTC6908-1
49.9k
OUT1
OUT2
49.9k
49.9k
LT3501
27
3501fd