LTC3534

RECOMMENDED FOR NEW DESIGNS

7V, 500mA Synchronous Buck-Boost DC/DC Converter

Data Sheet Product Selection Table
Part Models
4
1ku List Price
Starting From $3.78
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Part Details

  • Regulated Output with Input Voltages Above, Below or Equal to the Output
  • 2.4V to 7V VIN and 1.8V to 7V VOUT Ranges
  • 5V VOUT at 500mA from 4 AA Cells
  • Single Inductor
  • Synchronous Rectification: Up to 94% Efficiency
  • Burst Mode® Operation with 25μA IQ
  • Output Disconnect in Shutdown
  • 1MHz Switching Frequency
  • <1μA Shutdown Current
  • Small Thermally Enhanced 16-Lead (5mm × 3mm × 0.75mm) DFN and 16-Lead GN Packages
LTC3534
7V, 500mA Synchronous Buck-Boost DC/DC Converter
4 AA Cells to 5V at 500mA Buck-Boost Converter 4 AA Cells to 5V Efficiency vs VIN Product Package 1 Product Package 2
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Documentation

Data Sheet 1

User Guide 1

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Hardware Ecosystem

Parts Product Life Cycle Description
PowerPath, Ideal Diodes, and Load Switches 1
LTC4417
RECOMMENDED FOR NEW DESIGNS Prioritized PowerPath™ Controller
Single-Supply Monitors 1
LTC2935
PRODUCTION Ultra-Low Power Supervisor with Power-Fail Output, Selectable Thresholds
Surge Stopper, Overvoltage, and Overcurrent Protection 1
LTC4365
RECOMMENDED FOR NEW DESIGNS Overvoltage, Undervoltage and Reverse Supply Protection Controller
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Tools & Simulations

LTspice 1

Models for the following parts are available in LTspice:

  • LTC3534
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.

Evaluation Kits

eval board
schematic 1
DC1227A

LTC3534EDHC Demo Board | 5V, 500mA Synchronous Buck-Boost DC/DC Converter

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Product Details

Demonstration Circuit 1227A is a wide VIN, high efficiency, fixed frequency synchronous Buck-Boost converter using the LTC3534EDHC. The LTC3534EDHC topology operates with input voltages above, below or equal to the output voltage, making the product ideal for multi-cell Alkaline/NiMH or single Lithium Ion/Polymer applications where the output voltage is within the battery voltage range.


The LTC3534EDHC operates with a 2.4V to 7V input voltage range and a VOUT range of 1.8V to 7V. The demonstration board has been designed to operate with VIN from 3.6V to 7V and VOUT is set to 5V with an output current up to 500mA.


 
DC1227A
LTC3534EDHC Demo Board | 5V, 500mA Synchronous Buck-Boost DC/DC Converter
DC1227A - Schematic

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