LTC3374
22
3374fc
For more information www.linear.com/LTC3374
APPLICATIONS INFORMATION
Figure 5. Combined Buck Regulators with Common Input Supply
LTC3374
EXPOSED PAD
2.2µH
V
IN1
SW1
SW2
SW3
SW4
FB1
V
IN6
SW8
SW7
SW6
FB6
3374 F05
2.2µH
324k
649k
665k
309k
1.2V
3A
2.5V
4A
2.7V TO 5.5V
100µF
68µF
10µF10µF
10µF
10µF
10µF
10µF
10µF
10µF
V
IN2
FB2
V
IN7
FB7
V
IN3
FB3
V
IN8
FB8
2.2µH
V
IN4
FB4
RT
EN2
EN3
EN4
EN7
EN8
EN1
EN5
EN6
SYNC
MODE
V
IN5
SW5
FB5
PGOOD_ALL
TEMP
V
CC
MICROPROCESSOR
CONTROL
511k
511k
1.6V
1A
22µF
10µF
MICROPROCESSOR
CONTROL
LTC3374
23
3374fc
For more information www.linear.com/LTC3374
PACKAGE DESCRIPTION
5.00 ± 0.10
NOTE:
1. DRAWING CONFORMS TO JEDEC PACKAGE
OUTLINE M0-220 VARIATION WHKD
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
PIN 1
TOP MARK
(SEE NOTE 6)
37
1
2
38
BOTTOM VIEW—EXPOSED PAD
5.50 REF
5.15 ± 0.10
7.00
± 0.10
0.75 ± 0.05
R = 0.125
TYP
R = 0.10
TYP
0.25 ± 0.05
(UH) QFN REF C 1107
0.50 BSC
0.200 REF
0.00 – 0.05
RECOMMENDED SOLDER PAD LAYOUT
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
3.00 REF
3.15 ± 0.10
0.40 ±0.10
0.70 ± 0.05
0.50 BSC
5.5 REF
3.00 REF
3.15 ± 0.05
4.10 ± 0.05
5.50 ± 0.05
5.15 ± 0.05
6.10 ± 0.05
7.50 ± 0.05
0.25 ± 0.05
PACKAGE
OUTLINE
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.20mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
ON THE TOP AND BOTTOM OF PACKAGE
PIN 1 NOTCH
R = 0.30 TYP OR
0.35 × 45°
CHAMFER
UHF Package
38-Lead Plastic QFN (5mm × 7mm)
(Reference LTC DWG # 05-08-1701 Rev C)
Please refer to http://www.linear.com/product/LTC3374#packaging for the most recent package drawings.
LTC3374
24
3374fc
For more information www.linear.com/LTC3374
PACKAGE DESCRIPTION
4.75
(.187)
REF
FE38 (AA) TSSOP REV C 0910
0.09 – 0.20
(.0035 – .0079)
0° – 8°
0.25
REF
0.50 – 0.75
(.020 – .030)
4.30 – 4.50*
(.169 – .177)
1
19
20
REF
9.60 – 9.80*
(.378 – .386)
38
1.20
(.047)
MAX
0.05 – 0.15
(.002 – .006)
0.50
(.0196)
BSC
0.17 – 0.27
(.0067 – .0106)
TYP
RECOMMENDED SOLDER PAD LAYOUT
0.315 ±0.05
0.50 BSC
4.50 REF
6.60 ±0.10
1.05 ±0.10
4.75 REF
2.74 REF
2.74
(.108)
MILLIMETERS
(INCHES)
*DIMENSIONS DO NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.150mm (.006") PER SIDE
NOTE:
1. CONTROLLING DIMENSION: MILLIMETERS
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
SEE NOTE 4
4. RECOMMENDED MINIMUM PCB METAL SIZE
FOR EXPOSED PAD ATTACHMENT
6.40
(.252)
BSC
FE Package
38-Lead Plastic TSSOP (4.4mm)
(Reference LTC DWG # 05-08-1772 Rev C)
Exposed Pad Variation AA
Please refer to http://www.linear.com/product/LTC3374#packaging for the most recent package drawings.

LTC3374EUHF#PBF

Mfr. #:
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 8-Channel Programmable, Parallelable 1A Buck DC-DCs
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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