Overview

Features and Benefits

  • 50mA Output Current
  • Plug-In Compatible with ICL7660/LTC1044
  • ROUT = 35Ω Maximum
  • 300µA Maximum No Load Supply Current at 5V
  • Boost Pin (Pin 1) for Higher Switching Frequency
  • 97% Minimum Open-Circuit Voltage Conversion Efficiency
  • 95% Minimum Power Conversion Efficiency
  • Wide Operating Supply Voltage Range: 1.5V to 6V
  • Easy to Use
  • Low Cost

Product Details

The LTC1046 is a 50mA monolithic CMOS switched capacitor voltage converter. It plugs in for the ICL7660/LTC1044 in 5V applications where more output current is needed. The device is optimized to provide high current capability for input voltages of 6V or less. It trades off operating voltage to get higher output current. The LTC1046 provides several voltage conversion functions: the input voltage can be inverted (VOUT = –VIN), divided (VOUT = VIN/2) or multiplied (VOUT = ±nVIN).

Designed to be pin-for-pin and functionally compatible with the ICL7660 and LTC1044, the LTC1046 provides 2.5 times the output drive capability.

Applications

  • Conversion of 5V to ±5V Supplies
  • Precise Voltage Division, VOUT = VIN/2
  • Supply Splitter, VOUT = ±VS/2

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Tools & Simulations

LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

LTspice

Models for the following parts are available in LTspice:

LTC1046

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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