LT3640EFE LINER [Linear Technology], LT3640EFE Datasheet - Page 21

• Manufacturer Part Number: LT3640EFE
• Description: Dual Monolithic Buck Regulator with Power-On Reset and Watchdog Timer
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIONS
L1: VISHAY IHLP-2020
L2: VISHAY IHLP-1616
D1: DIODES B240A
D2: CENTRAL SEMI CMDSH-4E
L1: VISHAY IHLP-2020
L2: VISHAY IHLP-1616
D1: DIODES B240A
D2: CENTRAL SEMI CMDSH-4E
L1: VISHAY IHLP-2020
L2: VISHAY IHLP-1616
D1: ON SEMI MBRS230
D2: CENTRAL SEMI CMDSH2-3
3.6V TO 25V
5V TO 34V
7V TO 34V
OUT1
V
V
V
IN
IN
IN
100k
100k
4.7μF
4.7μF
4.7μF
100k
100k
WDI
100k
100k
2MHz 2.5V/0.8A and 0.6V/1A Buck Regulators
2MHz 3.3V/1.3A and 1.2V/1A Buck Regulators
2MHz 5V/0.8A and 1.2V/1A Buck Regulators
EN/UVLO
SYN
WDE
PGOOD
RST1
RST2
WDO
WDI
CWDT
SYN
WDE
WDI
PGOOD
WDO
RST1
RST2
CWDT
EN/UVLO
SYN
WDE
PGOOD
RST1
RST2
WDO
WDI
CWDT
EN/UVLO
1.5nF
1.5nF
1.5nF
301k
453k
CPOR
CPOR
CPOR
1.5nF
1.5nF
1.5nF
V
V
V
IN
IN
IN
LT3640
LT3640
LT3640
RT
RT
RT
32.4k
32.4k
32.4k
SW
SW
SW
GND
GND
GND
0.22μF
0.22μF
0.22μF
BST
SS2
BST
BST
SS2
SS2
1nF
1nF
1nF
3640 TA04
SW1
SW2
SW1
SW2
SW1
SW2
V
V
EN2
V
FB1
FB2
SS1
EN2
EN2
FB2
FB1
FB2
SS1
FB1
SS1
DA
IN2
DA
DA
IN2
IN2
1nF
1nF
1nF
D1
D1
D1
3.3μH
4.7μH
3.3μH
1μH
1μH
1μH
L1
L2
L1
L1
L2
L2
3640 TA02
3640 TA03
D2
D2
D2
80.6k
49.9k
100k
49.9k
301k
100k
49.9k
100k
100k
49.9k
4.7μF
10μF
V
5V/0.8A
10μF
47μF
22μF
100μF
47μF
OUT1
V
1.2V/1A
V
0.6V/1A
V
3.3V/1.3A
V
2.5V TO 5.5V
V
1.8V/1A
V
2.5V/0.8A
OUT2
OUT1
IN2
OUT2
OUT1
OUT2
10μF
LT3640
21
3640p