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LT1054IN8

Charge Pump INV/STPUP 100mA 8-Pin PDIP N

LT1054IN8 General Description

The LT1054 is a monolithic, bipolar, switched-capacitor voltage converter and regulator. The LT1054 provides higher output current than previously available converters with significantly lower voltage losses. An adaptive switch driver scheme optimizes efficiency over a wide range of output currents. Total voltage loss at 100mA output current is typically 1.1V. This holds true over the full supply voltage range of 3.5V to 15V. Quiescent current is typically 2.5mA.

The LT1054 also provides regulation, a feature not previously available in switched-capacitor voltage converters. By adding an external resistive divider a regulated output can be obtained. This output will be regulated against changes in both input voltage and output current. The LT1054 can also be shut down by grounding the feedback pin. Supply current in shutdown is less than 100μA.

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

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

lt1054in8 lt1054in8

Key Features

  • Output Current:
  • 100mA (LT1054)
  • 125mA (LT1054L)
  • Reference and Error Amplifier for Regulation
  • Low Loss: 1.1V at 100mA
  • Operating Range:
  • 3.5V to 15V (LT1054)
  • 3.5V to 7V (LT1054L)
  • External Shutdown
  • External Oscillator Synchronization
  • Can Be Paralleled
  • Pin Compatible with the LTC®1044/ICL7660
  • Available in SW16 and SO-8 Packages
lt1054in8 lt1054in8

Application

  • Voltage Inverter
  • Voltage Regulator
  • Negative Voltage Doubler
  • Positive Voltage Doubler
lt1054in8 lt1054in8

Specifications

feature-function Inverting/Step Up feature-process-technology
feature-output-type Adjustable feature-output-voltage-v Adj
feature-minimum-operating-supply-voltage-v 3.5 feature-maximum-operating-supply-voltage-v 15
feature-maximum-supply-current-ma 5 feature-maximum-power-dissipation-mw
feature-output-current-ma 100 feature-switching-frequency-khz 40
feature-efficiency- feature-packaging
feature-rad-hard feature-pin-count 8
feature-cecc-qualified No feature-esd-protection
feature-military No feature-aec-qualified No
feature-aec-qualified-number feature-auto-motive No
feature-p-pap No feature-eccn-code EAR99
feature-svhc Yes feature-svhc-exceeds-threshold Yes
Product Category Switching Voltage Regulators Mounting Style Through Hole
Topology Charge Pump Output Current 100 mA
Number of Outputs 1 Output Input Voltage, Min 3.5 V
Input Voltage, Max 15 V Switching Frequency 25 kHz
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 100 C
Series LT1054 Load Regulation 50 mV
Operating Supply Current 3 mA Product Type Switching Voltage Regulators
Shutdown Shutdown Subcategory PMIC - Power Management ICs
Supply Voltage - Min 3.5 V Type Switched-Capacitor

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Ratings and Reviews

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T
T**r 01/27/2022

Delivered for 6.5 days, looks all right

9
B
B**n 11/22/2020

Checked a couple-the testimony match.

14
A
A**r 07/04/2020

Delivery-26 days. Everything's fine.

5
m
m**c 03/18/2020

avaq electronics is a well-known company in India as well as all over the world. Dinesh Singh is very easy to comunicate. Well done! I believe that we will have a long-term business relationship.------Jason

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LT1054IN8 Datasheet PDF

Preliminary Specification LT1054IN8 PDF Download

LT1054IN8 PDF Preview

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