参数资料
型号: LTC4274AIUHF-3#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: POWER SUPPLY MANAGEMENT CKT, PQCC38
封装: 7 X 5 MM, LEAD FREE, PLASTIC, MO-220WHKD, QFN-38
文件页数: 12/28页
文件大小: 313K
代理商: LTC4274AIUHF-3#PBF
LTC4274A/LTC4274C
2
4274acf
Absolute MAxiMuM rAtings
pin conFigurAtion
orDer inForMAtion
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
MAX PWR
TEMPERATURE RANGE
LTC4274CIUHF#PBF
LTC4274CIUHF#TRPBF
4274C
38-Lead (5mm × 7mm) Plastic QFN
13W
–40°C to 85°C
LTC4274AIUHF-1#PBF
LTC4274AIUHF-1#TRPBF
4274A1
38-Lead (5mm × 7mm) Plastic QFN
35W
–40°C to 85°C
LTC4274AIUHF-2#PBF
LTC4274AIUHF-2#TRPBF
4274A2
38-Lead (5mm × 7mm) Plastic QFN
45W
–40°C to 85°C
LTC4274AIUHF-3#PBF
LTC4274AIUHF-3#TRPBF
4274A3
38-Lead (5mm × 7mm) Plastic QFN
70W
–40°C to 85°C
LTC4274AIUHF-4#PBF
LTC4274AIUHF-4#TRPBF
4274A4
38-Lead (5mm × 7mm) Plastic QFN
90W
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard 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/
13 14 15 16
TOP VIEW
VEE
39
UHF PACKAGE
38-LEAD (5mm × 7mm) PLASTIC QFN
EXPOSED PAD IS VEE (PIN 39) MUST BE SOLDERED TO PCB
TJMAX = 125°C, θJA = 34°C/W
17 18 19
38 37 36 35 34 33 32
24
25
26
27
28
29
30
31
8
7
6
5
4
3
2
1
SDAOUT
NC
SDAIN
AD3
AD2
AD1
AD0
DNC
NC
DGND
NC
GATE
SENSE
NC
VEE
NC
VEE
NC
SCL
INT
MID
RESET
MSD
AUTO
OUT
V DD
SHDN
DGND
AGND
V EE
23
22
21
20
9
10
11
12
Supply Voltages (Note 1)
AGND – VEE ........................................... –0.3V to 80V
DGND – VEE........................................... –0.3V to 80V
VDD – DGND ......................................... –0.3V to 5.5V
Digital Pins
SCL, SDAIN, SDAOUT, INT, SHDN, MSD, AD,
RESET, AUTO, MID........... DGND –0.3V to VDD + 0.3V
Analog Pins
GATE, SENSE, OUT................ VEE –0.3V to VEE + 80V
Operating Temperature Range .................–40°C to 85°C
Junction Temperature (Note 2) ............................. 125°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)...................300°C
相关PDF资料
PDF描述
LTC4274AIUHF-2#TRPBF POWER SUPPLY MANAGEMENT CKT, PQCC38
LTC4274AIUHF-2#PBF POWER SUPPLY MANAGEMENT CKT, PQCC38
LTC4274AIUHF-1#TRPBF POWER SUPPLY MANAGEMENT CKT, PQCC38
LTC4280IUFD 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC24
LTC4312IDE#TRPBF 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14
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LTC4274C 制造商:LINER 制造商全称:Linear Technology 功能描述:12-Port PoE/PoE+/LTPoE++ PSE Controller
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