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LTC3374 Datasheet, PDF (3/24 Pages) Linear Technology – 8-Channel Parallelable 1A Buck DC/DCs
LTC3374
ABSOLUTE MAXIMUM RATINGS (Note 1)
VIN1-8, FB1-8, EN1-8, VCC, PGOOD_ALL,
SYNC, RT, MODE.......................................... –0.3V to 6V
TEMP................... –0.3V to Lesser of (VCC + 0.3V) or 6V
IPGOOD_ALL................................................................5mA
Operating Junction Temperature Range
(Notes 2, 3)............................................. –40°C to 150°C
Storage Temperature Range................... –65°C to 150°C
PIN CONFIGURATION
TOP VIEW
FB1 1
VIN1 2
SW1 3
SW2 4
VIN2 5
FB2 6
FB3 7
VIN3 8
SW3 9
SW4 10
VIN4 11
FB4 12
38 37 36 35 34 33 32
39
GND
13 14 15 16 17 18 19
31 FB8
30 VIN8
29 SW8
28 SW7
27 VIN7
26 FB7
25 FB6
24 VIN6
23 SW6
22 SW5
21 VIN5
20 FB5
UHF PACKAGE
38-LEAD (5mm × 7mm) PLASTIC QFN
TJMAX = 150°C, θJA = 34°C/W
EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
TEMP 1
EN2 2
EN1 3
FB1 4
VIN1 5
SW1 6
SW2 7
VIN2 8
FB2 9
FB3 10
VIN3 11
SW3 12
SW4 13
VIN4 14
FB4 15
EN4 16
EN3 17
PGOOD_ALL 18
SYNC 19
TOP VIEW
39
GND
38 VCC
37 MODE
36 EN7
35 EN8
34 FB8
33 VIN8
32 SW8
31 SW7
30 VIN7
29 FB7
28 FB6
27 VIN6
26 SW6
25 SW5
24 VIN5
23 FB5
22 EN5
21 EN6
20 RT
FE PACKAGE
38-LEAD PLASTIC TSSOP
TJMAX = 150°C, θJA = 25°C/W
EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3374EUHF#PBF
LTC3374EUHF#TRPBF 3374
38-Lead (5mm × 7mm) Plastic QFN
–40°C to 125°C
LTC3374IUHF #PBF
LTC3374IUHF#TRPBF 3374
38-Lead (5mm × 7mm) Plastic QFN
–40°C to 125°C
LTC3374HUHF #PBF
LTC3374HUHF#TRPBF 3374
38-Lead (5mm × 7mm) Plastic QFN
–40°C to 150°C
LTC3374EFE #PBF
LTC3374EFE#TRPBF
LTC3374EFE
38-Lead Plastic TSSOP
–40°C to 125°C
LTC3374IFEF #PBF
LTC3374IFEF#TRPBF LTC3374IFE
38-Lead Plastic TSSOP
–40°C to 125°C
LTC3374HFE #PBF
LTC3374HFE#TRPBF
LTC3374HFE
38-Lead Plastic TSSOP
–40°C to 150°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on nonstandard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
3374f
For more information www.linear.com/LTC3374
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