參數(shù)資料
型號: LT3957IUHE#PBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, PQCC36
封裝: 5 X 6 MM, LEAD FREE, PLASTIC, QFN-36
文件頁數(shù): 12/28頁
文件大?。?/td> 359K
代理商: LT3957IUHE#PBF
LT3957
2
3957f
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
VIN, EN/UVLO (Note 5), SW ......................................40V
INTVCC......................................................VIN + 0.3V, 8V
SYNC ..........................................................................8V
VC, SS.........................................................................3V
RT............................................................................................... 1.5V
SENSE1, SGND .................. Internally Connected to GND
SENSE2..................................................................±0.3V
FBX ................................................................. –6V to 6V
Operating Junction Temperature Range
(Note 2).................................................. –40°C to 125°C
Maximum Junction Temperature .......................... 125°C
Storage Temperature Range .................. –65°C to 125°C
(Note 1)
12 13 14
TOP VIEW
SGND
37
SW
38
UHE PACKAGE
36-LEAD (5mm
6mm) PLASTIC QFN
15 16 17
36 35 34 33 32 31 30
21
23
24
25
27
28
8
6
4
3
2
1
NC
SENSE2
SGND
SENSE1
SW
NC
INTVCC
VIN
EN/UVLO
SGND
SW
NC
SYNC
RT
SS
FBX
VC
GND
20
9
10
TJMAX = 125°C, θJA = 42°C/W, θJC = 3°C/W
EXPOSED PAD (PIN 37) IS SGND, MUST BE SOLDERED TO SGND PLANE
EXPOSED PAD (PIN 38) IS SW, MUST BE SOLDERED TO SW PLANE
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3957EUHE#PBF
LT3957EUHE#TRPBF
3957
36-Lead (5mm
× 6mm) Plastic QFN
–40°C to 125°C
LT3957IUHE#PBF
LT3957IUHE#TRPBF
3957
36-Lead (5mm
× 6mm) Plastic QFN
–40°C to 125°C
Consult LTC Marketing for parts specied with wider operating temperature ranges. *The temperature grade is identied by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specications, go to: http://www.linear.com/tapeandreel/
相關(guān)PDF資料
PDF描述
LT3958IUHE#PBF SWITCHING REGULATOR, PQCC36
LT3958EUHE#PBF SWITCHING REGULATOR, PQCC36
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