LTC3371_15 Datasheet, PDF (3/26 Pages) Linear Technology – 4-Channel 8A Configurable Buck DC/DCs with Watchdog and Power-On Reset

LTC3371
Absolute Maximum Ratings (Note 1)
V_INA-H, FB1-4, EN1-4, V_CC, CT, WDI, WDO, RST1-4,
RT, PLL/MODE, C1-3.................................... –0.3V to 6V
TEMP................... –0.3V to Lesser of (V_CC + 0.3V) or 6V
I_RST1-4, I_WDO..............................................................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
V_INA 2
SWA 3
SWB 4
V_INB 5
V_INC 6
SWC 7
SWD 8
V_IND 9
FB2 10
EN2 11
RST2 12
38 37 36 35 34 33 32
39
GND
13 14 15 16 17 18 19
31 EN4
30 FB4
29 V_INH
28 SWH
27 SWG
26 V_ING
25 V_INF
24 SWF
23 SWE
22 V_INE
21 FB3
20 EN3
UHF PACKAGE
38-LEAD (5mm × 7mm) PLASTIC QFN
T_JMAX = 150°C, θ_JA = 34°C/W
EXPOSED PAD (PIN 39) IS GND, MUST BE SOLDERED TO PCB
V_CC 1
TEMP 2
RST1 3
EN1 4
FB1 5
V_INA 6
SWA 7
SWB 8
V_INB 9
V_INC 10
SWC 11
SWD 12
V_IND 13
FB2 14
EN2 15
RST2 16
C1 17
C2 18
C3 19
TOP VIEW
39
GND
38 PLL/MODE
37 RT
36 RST4
35 EN4
34 FB4
33 V_INH
32 SWH
31 SWG
30 V_ING
29 V_INF
28 SWF
27 SWE
26 V_INE
25 FB3
24 EN3
23 RST3
22 CT
21 WDO
20 WDI
FE PACKAGE
38-LEAD PLASTIC TSSOP
T_JMAX = 150°C, θ_JA = 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
LTC3371EUHF#PBF
LTC3371IUHF#PBF
LTC3371EUHF#TRPBF 3371
LTC3371IUHF#TRPBF 3371
38-Lead (5mm × 7mm) Plastic QFN
38-Lead (5mm × 7mm) Plastic QFN
–40°C to 125°C
–40°C to 125°C
LTC3371HUHF#PBF
LTC3371HUHF#TRPBF 3371
38-Lead (5mm × 7mm) Plastic QFN
–40°C to 150°C
LTC3371EFE#PBF
LTC3371EFE#TRPBF
LTC3371FE
38-Lead Plastic TSSOP
–40°C to 125°C
LTC3371IFE#PBF
LTC3371IFE#TRPBF
LTC3371FE
38-Lead Plastic TSSOP
–40°C to 125°C
LTC3371HFE#PBF
LTC3371HFE#TRPBF
LTC3371FE
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/
3371fa
For more information www.linear.com/LTC3371
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