LT3640IUFD 查看數據表（PDF） - Linear Technology
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LT3640IUFD Datasheet PDF : 24 Pages
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Typical Applications
VIN
5V TO 35V
2MHz 3.3V/1.3A and 1.8V/1A Buck Regulators
4.7µF
100k
301k
EN/UVLO
VIN
SYNC
WDE
0.22µF
SW BST SW1
DA
FB1
EN2
D2
L1
3.3µH
D1
80.6k
49.9k
L1: VISHAY IHLP-2020
L2: VISHAY IHLP-1616
D1: DIODES B240A
D2: CENTRAL SEMI CMDSH-4E
PGOOD
LT3640
VIN2
RST1
RST2
SW2
WDO
WDI
CWDT CPOR
FB2
RT GND SS2 SS1
1.5nF
1.5nF
32.4k
1nF
1nF
L2
4.7µF
1µH
100k
49.9k
3640 TA02
VOUT1
3.3V/1.3A
22µF
VIN2
2.5V TO 5.5V
VOUT2
1.8V/1.1A
22µF
2MHz 5V/0.8A and 1.2V/1A Buck Regulators
VIN
7V TO 35V
4.7µF
100k
WDI
OUT1
100k
100k
100k
100k
L1: VISHAY IHLP-2020
L2: VISHAY IHLP-1616
D1: DIODES B240A
D2: CENTRAL SEMI CMDSH-4E
0.22µF
453k
EN/UVLO
VIN
SW BST SW1
DA
SYNC
FB1
WDE
EN2
WDI
LT3640
VIN2
PGOOD
WDO
SW2
RST1
RST2
CWDT CPOR
FB2
RT GND SS2 SS1
1.5nF
1.5nF
32.4k
1nF
1nF
D2
L1
4.7µH
D1
301k
100k
L2
0.47µH
49.9k
49.9k
3640 TA03
VOUT1
5V/0.8A
22µF
VOUT2
1.2V/1A
22µF
VIN
4V TO 30V
2MHz 2.5V/0.8A and 0.6V/1A Buck Regulators
0.22µF
D2
4.7µF
EN/UVLO
VIN
SYNC
WDE
SW BST SW1
DA
FB1
EN2
L1
3.3µH
D1
68.1k
49.9k
L1: VISHAY IHLP-2020
L2: VISHAY IHLP-1616
D1: ON SEMI MBRS230
D2: CENTRAL SEMI CMDSH2-3
PGOOD
LT3640
RST1
RST2
WDO
WDI
CWDT
CPOR
RT GND
1.5nF
1.5nF
32.4k
VIN2
SW2
FB2
SS2 SS1
1nF
1nF
L2
0.47µH
3640 TA04
VOUT1
3V/0.8A
22µF
VOUT2
0.6V/1A
22µF
LT3640
3640f
21
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