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LT1054L

Features: Available in Space Saving SO-8 Package Output Current: 100mA (LT1054)125mA (LT1054L) Low Loss: 1.1V at 100mA Operating Range:3.5V to 15V (LT1054)3.5V to 7V (LT1054L) Reference and Error Amplifier for Regulation External Shutdown External Oscillator Synchronization Can Be Paralleled Pin ...

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LT1054L: Features: Available in Space Saving SO-8 Package Output Current: 100mA (LT1054)125mA (LT1054L) Low Loss: 1.1V at 100mA Operating Range:3.5V to 15V (LT1054)3.5V to 7V (LT1054L) Reference and Error A...

LT1054L Data Sheet

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Part Number:
LT1054L
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

Available in Space Saving SO-8 Package
Output Current: 100mA (LT1054)125mA (LT1054L)
Low Loss: 1.1V at 100mA
Operating Range:3.5V to 15V (LT1054)3.5V to 7V (LT1054L)
Reference and Error Amplifier for Regulation
External Shutdown
External Oscillator Synchronization
Can Be Paralleled
Pin Compatible with the LTC®1044/LTC7660


Application

Voltage Inverter
Voltage Regulator
Negative Voltage Doubler
Positive Voltage Doubler


Specifications

Supply Voltage (Note 2)
LT1054 ................................................................... 16V
LT1054L ................................................................... 7V
Input Voltage
Pin 1 .................................................  0V VPIN1 V+
Pin 3 (S Package) .............................  0V VPIN3 V+
Pin 7 ..............................................  0V VPIN7 VREF
Pin 13 (S Package) .......................  0V VPIN13 VREF
Operating Junction Temperature Range
LT1054C/LT1054LC ...............................  0°C to 100°C
LT1054I ...........................................  40°C to 100°C
LT1054M..........................................  55°C to 125°C
Maximum Junction Temperature (Note 3)
LT1054C/LT1054LC ...........................................  125°C
LT1054I .............................................................. 125°C
LT1054M.............................................................  150°C
Storage Temperature Range
    H, J8, N8 and S8 Packages..............55°C to 150°C
S Package ........................................  65°C to 150°C
Lead Temperature (Soldering, 10 sec) ..............  300°C


Description

The LT®1054 is a monolithic, bipolar, switched-capacitorvoltage converter and regulator. The LT1054 provideshigher output current than previously available converterswith significantly lower voltage losses. An adaptive switchdriver scheme optimizes efficiency over a wide range ofoutput currents. Total voltage loss at 100mA output currentis typically 1.1V. This holds true over the full supply voltagerange of 3.5V to 15V. Quiescent current is typically 2.5mA.

The LT1054 also provides regulation, a feature not previ-ously available in switched-capacitor voltage converters.

By adding an external resistive divider a regulated outputcan be obtained. This output will be regulated againstchanges in both input voltage and output current. TheLT1054 can also be shut down by grounding the feedbackpin. Supply current in shutdown is less than 100µA.

The internal oscillator of the LT1054 runs at a nominalfrequency of 25kHz. The oscillator pin can be used to adjustthe switching frequency or to externally synchronize theLT1054.

The LT1054 is pin compatible with previous converterssuch the LTC1044/LTC7660.




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