DC1483A Multiple Output Boost Regulators by Analog Devices

Multiple Output Boost Regulators
Status: Production
Series: LTC3535
RoHS: Compliant
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The LTC3535 is a dual channel, synchronous, fixed frequency step-up DC/DC converter with output disconnect. Extended battery life in single AA/AAA powered products is realized with a 680mV start-up voltage and operation down to 500mV once started. A switching frequency of 1MHz minimizes solution footprint by allowing the use of tiny, low profile inductors and ceramic capacitors. The current mode PWM design is internally compensated, reducing external parts count. The LTC3535 features Burst Mode operation at light load conditions allowing it to maintain high efficiency over a wide range of load. Anti-ring circuitry reduces EMI by damping the inductor in discontinuous mode. Additional features include a low shutdown current of under 1μA and thermal shutdown. The LTC3535 is housed in a 3mm × 3mm × 0.75mm DFN package.

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Features

Two Independent Step-Up Converters
Each Channel Delivers 3.3V at 100mA from a Single Alkaline/NiMH Cell or 3.3V at 200mA from Two Cells
VIN Start-Up Voltage: 680mV
1.5V to 5.25V VOUT Range
Up to 94% Efficiency
Output Disconnect
1MHz Fixed Frequency Operation
VIN > VOUT Operation
Integrated Soft-Start
Current Mode Control with Internal Compensation
Burst Mode® Operation with 9μA IQ Each Channel
Internal Synchronous Rectifier
Logic Controlled Shutdown (IQ < 1μA)
Anti-Ring Control
Low Profile (3mm × 3mm × 0.75mm) 12-Lead DFN Package

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Alternative Descriptions

LTC3535 DC to DC Converter and Switching Regulator Chip 1.746VDC to 1.854VDC/2.765VDC to 2.936VDC/3.201VDC to 3.399VDC/4.85VDC to 5.15VDC Output Demonstration Circuit | Richardson RFPD

DC1483A Development Boards & Evaluation Kits by Linear Technology

DEMO BOARD BOOST CONVERTER

Education Maker & Hobbyist Electronics>Development Boards & Evaluation Kits>Power Management Development Kits
Status: Unknown
Series: -
RoHS: Unknown
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Demonstration circuit 1483 is a dual high efficiency synchronous boost converter capable of operating with an input voltage range from 0.8V to 5V. The 12 lead 3X3 mm thermally enhanced DFN package with a 1MHz switching frequency and the 550mA internal switches provide a very tiny step-up solution. The LTC3535 can be powered from separate input supplies that can be greater or less than the output voltage although the efficiency and maximum output current is reduced when VIN is greater than VOUT. Also featured is burst mode operation for high efficiency at low current levels and a true input-to-output disconnect which allows the output to drop to zero volts when shutdown and provides soft start and current limiting. This demonstration circuit allows the user to quickly evaluate the LTC3535 performance. Individual jumpers are provided for selecting a variety of output voltages from 1.8V to 5V. Jumpers also allow separate low quiescent current shutdown and the ability to parallel the inputs. Terminals on the board allow easy hookup to input supplies and output loads.

Features

Specifications

Silicon Manufacturer Linear Technology
Silicon Core Number LTC3535
Kit Application Type Power Management - Voltage Regulator
Application Sub Type Synchronous Boost Converter
Kit Contents Demonstration Board LTC3535
Product Range -
Automotive Qualification Standard -
SVHC No SVHC (07-Jul-2017)
Features High Efficiency I/P 0.8V-5V 12 Lead 3x3mm Thermally Enhanced DFN Package with 1MHz Switching Freq

Frequently Asked Questions

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What category does DC1483A fall under?

The DC1483A is listed under Multiple Output Boost Regulators.

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Is the DC1483A RoHS compliant?

Yes. This part has been flagged as RoHS Compliant by Analog Devices.

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