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LTC3854EMSE 数据表(PDF) 2 Page - Linear Technology

部件名 LTC3854EMSE
功能描述  Small Footprint, Wide VIN Range Synchronous Step-Down DC/DC Controller
Download  28 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC3854EMSE 数据表(HTML) 2 Page - Linear Technology

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LTC3854

3854fa
absoluTe MaxiMuM raTings
Input Supply Voltage (VIN)........................ 40V to –0.3V
Top Side Driver Voltage (BOOST) .............. 46V to –0.3V
Switch Voltage (SW).................................. 40V to –5.0V
INTVCC, BOOST-SW.................................... 6V to –0.3V
SENSE+, SENSE......................................... 6V to –0.3V
RUN/SS........................................................ 6V to –0.3V
(Note 1)
orDer inForMaTion
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3854EDDB#PBF
LTC3854EDDB#TRPBF
LDPC
12-Lead (3mm
× 2mm) Plastic DFN
–40°C to 85°C
LTC3854IDDB#PBF
LTC3854IDDB#TRPBF
LDPC
12-Lead (3mm
× 2mm) Plastic DFN
–40°C to 85°C
LTC3854EMSE#PBF
LTC3854EMSE#TRPBF
3854
12-Lead Plastic MSOP
–40°C to 85°C
LTC3854IMSE#PBF
LTC3854IMSE#TRPBF
3854
12-Lead Plastic MSOP
–40°C to 85°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 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/
ITH, FB Voltages ....................................... 2.7V to –0.3V
INTVCC Peak Output Current (Note 8)....................40mA
Operating Temperature Range
(Notes 2, 3)..........................................–40°C to 85°C
Maximum Junction Temperature ...................... 125°C
Storage Temperature Range .................. –65°C to 125°C
TOP VIEW
13
DDB PACKAGE
12-LEAD (3mm 2mm) PLASTIC DFN
FB
ITH
RUN/SS
BOOST
TG
SW
SENSE+
SENSE
VIN
INTVCC
BG
GND
8
7
10
9
11
12
5
6
4
2
3
1
TJMAX = 125°C, θJA = 76°C/W, θJC = 10°C/W
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
1
2
3
4
5
6
FB
ITH
RUN/SS
BOOST
TG
SW
12
11
10
9
8
7
SENSE+
SENSE
VIN
INTVCC
BG
GND
TOP VIEW
MSE PACKAGE
12-LEAD PLASTIC MSOP
13
TJMAX = 125°C, θJA = 40°C/W, θJC = 16°C/W
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
pin conFiguraTion


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