IC LDO REG FIXD 2.5V 800MA 8SOIC

 

LT1118CS8-2.5

Manufacturer Part NumberLT1118CS8-2.5
DescriptionIC LDO REG FIXD 2.5V 800MA 8SOIC
ManufacturerLinear Technology
LT1118CS8-2.5 datasheets

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Specifications of LT1118CS8-2.5

Regulator TopologyPositive FixedVoltage - Output2.5V
Voltage - InputUp to 15VVoltage - Dropout (typical)1V @ 800mA
Number Of Regulators1Current - Output800mA
Operating Temperature0°C ~ 70°CMounting TypeSurface Mount
Package / Case8-SOIC (3.9mm Width)Lead Free Status / RoHS StatusContains lead / RoHS non-compliant
Current - Limit (min)-  
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FEATURES
n
Regulates While Sourcing or Sinking Current
Provides Termination for up to 27 SCSI Lines
n
n
600μA Quiescent Current
n
Ultralow Power Shutdown Mode
Current Limit and Thermal Shutdown Protection
n
n
Stable for Any C
≥ 0.22μF
LOAD
n
Fast Settling Time
1V Dropout Voltage
n
APPLICATIONS
n
Active Negation SCSI Terminations
Computers
n
n
Disk Drives
n
CD-ROM
n
Supply Splitter
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
TYPICAL APPLICATION
LT1118-2.85
OUT
IN
GND
5V
2.2μF
800mA, Source and Sink
Regulators Adjustable and
Fixed 2.5V, 2.85V, 5V Output
DESCRIPTION
The LT
®
1118 family of low dropout regulators has the
unique capability of maintaining output regulation while
sourcing or sinking load current. The 2.85V output voltage
regulator is ideal for use as a Boulay termination of up
to 27 SCSI data lines. The regulator maintains regulation
while both sourcing and sinking current, enabling the use
of active negation drivers for improved noise immunity on
the data lines. Regulation of output voltage is maintained
for TERMPWR voltages as low as 4.0V. When unloaded,
quiescent supply current is a low 600μA, allowing continu-
ous connection to the TERMPWR lines. An ultralow power
shutdown mode is also available on the SO-8 version. In
Shutdown the output is high impedance and supply cur-
rent drops to less than 10μA.
Current limits in both sourcing and sinking modes, plus
on-chip thermal shutdown make the circuit tolerant of
output fault conditions.
The LT1118 is available in 3-lead SOT-223 and 8-lead SO
packages.
Load Transient Response
V
OUT
1μF
CERAMIC
I
LOAD
I
LOAD
1118 TA01
LT1118/LT1118-2.5
LT1118-2.85/LT1118-5
Low I
, Low Dropout,
Q
0.2V
0V
–0.2V
800mA
0mA
–400mA
1118 TA02
1118fd
1

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LT1118CS8-2.5 Summary of contents

  • Page 1

    ... Active Negation SCSI Terminations Computers n n Disk Drives n CD-ROM n Supply Splitter L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATION LT1118-2.85 OUT IN GND 5V 2.2μF 800mA, Source and Sink Regulators Adjustable and Fixed 2 ...

  • Page 2

    ... LT1118CS8-5#TRPBF LT1118CST-2.5#PBF LT1118CST-2.5#TRPBF LT1118CST-2.85#PBF LT1118CST-2.85#TRPBF LT1118CST-5#PBF LT1118CST-5#TRPBF LEAD BASED FINISH TAPE AND REEL LT1118CS8 LT1118CS8#TR LT1118CS8-2.5 LT1118CS8-2.5#TR LT1118CS8-2.85 LT1118CS8-2.85#TR LT1118CS8-5 LT1118CS8-5#TR LT1118CST-2.5 LT1118CST-2.5#TR LT1118CST-2.85 LT1118CST-2.85#TR LT1118CST-5 LT1118CST-5#TR Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. For more information on lead free part marking, go to: For more information on tape and reel specifi ...

  • Page 3

    ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T PARAMETER Quiescent Current ( Quiescent Current in Shutdown ( Enable Input Thresholds Enable Input Current Feedback Voltage Output Voltage Line Regulation (Note 4) Load Regulation (Note ...

  • Page 4

    LT1118/LT1118-2.5/ LT1118-2.85/LT1118-5 TYPICAL PERFORMANCE CHARACTERISTICS Dropout Voltage vs Output Current 1.4 1 75° 25° 0 125°C J 0.6 0.4 0 200 400 600 OUTPUT CURRENT (mA) 1118 G01 Output ...

  • Page 5

    PIN FUNCTIONS IN: Input Supply Pin. This pin should be decoupled with a 1μF or larger low ESR capacitor. The two IN pins on the SO-8 package must be directly connected on the printed circuit board to prevent voltage drops ...

  • Page 6

    LT1118/LT1118-2.5/ LT1118-2.85/LT1118-5 OPERATION connected to the die substrate. Table 1 shows measured thermal resistance from junction to ambient for the LT1118 connected to various sized PC board ground planes. The power dissipated in the LT1118 varies with input voltage and ...

  • Page 7

    ... MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm) Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...

  • Page 8

    ... LT3080/ 1.1A Parallelable, Low Noise, Low Dropout LT3080-1 Linear Regulator LT3085 500mA, Parallelable Low Noise Low Dropout Linear Regulator ThinSOT is a trademark of Linear Technology Corporation Linear Technology Corporation 8 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● Variable 2.1V to 6.5V Regulator with DIgital Control ...

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