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LTC3542IS6 数据表(PDF) 2 Page - Linear Integrated Systems

部件名 LTC3542IS6
功能描述  500mA, 2.25MHz Synchronous Step-Down
Download  16 Pages
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制造商  LINEAR [Linear Integrated Systems]
网页  http://www.linearsystems.com
标志 LINEAR - Linear Integrated Systems

LTC3542IS6 数据表(HTML) 2 Page - Linear Integrated Systems

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LTC3542
2
3542fa
ELECTRICAL CHARACTERISTICS
Input Supply Voltage (VIN)........................... –0.3V to 6V
VFB, RUN Voltages .......................................–0.3V to VIN
MODE Voltage................................–0.3V to (VIN + 0.3V)
SW Voltage ....................................–0.3V to (VIN + 0.3V)
Operating Temperature Range (Note 2)
LTC3542E ............................................ –40°C to 85°C
LTC3542I ........................................... –40°C to 125°C
The
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VIN = 3.6V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Operating Voltage Range
2.5
5.5
V
IFB
Feedback Input Current
±30
nA
VFB
Feedback Voltage (Note 4)
0.588
0.6
0.612
V
ΔVLINE_REG
Reference Voltage Line Regulation (Note 4) VIN = 2.5V to 5.5V
0.04
0.2
%/V
ΔVLOAD_REG
Output Voltage Load Regulation (Note 4)
ILOAD = 100mA to 500mA
0.02
0.2
%
Junction Temperature (Note 7) ............................. 125°C
Storage Temperature Range................... –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
TSOT-23............................................................ 300°C
Reflow Peak Body Temperature (DFN) .................. 260°C
ABSOLUTE MAXIMUM RATINGS (Note 1)
TOP VIEW
RUN
SW
VFB
VIN
GND
DC PACKAGE
6-LEAD (2mm
× 2mm) PLASTIC DFN
4
5
7
6
3
2
1
MODE/
SYNC
TJMAX = 125°C, θJA = 102°C/W, θJC = 20°C/W (SOLDERED TO A 4-LAYER BOARD, NOTE 3)
EXPOSED PAD (PIN 7) IS GND, MUST BE SOLDERED TO PCB
VIN 1
GND 2
VFB 3
6 SW
5 MODE/SYNC
4 RUN
TOP VIEW
S6 PACKAGE
6-LEAD PLASTIC TSOT-23
TJMAX = 125°C, θJA = 215°C/W
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3542EDC#PBF
LTC3542EDC#TRPBF
LCFR
6-Lead (2mm
× 2mm) Plastic DFN
–40°C to 85°C
LTC3542IDC#PBF
LTC3542IDC#TRPBF
LCFR
6-Lead (2mm
× 2mm) Plastic DFN
–40°C to 125°C
LTC3542ES6#PBF
LTC3542ES6#TRPBF
LCFS
6-Lead Plastic TSOT-23
–40°C to 85°C
LTC3542IS6#PBF
LTC3542IS6#TRPBF
LCFS
6-Lead Plastic TSOT-23
–40°C to 125°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/


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