iC-DC QFN24-4x4

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2-Channel Buck/Boost DC/DC Converter

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Article description

Product description

iC-DC is a monolithic switching converter with two back-end linear regulators. The output voltages of the two linear regulators can be configured within a range of 1.5 to 5.5 V. The switching converter supplies up to 300 mA.

The high efficiency of the buck/boost converter for an input voltage range of +4 V to +36 V makes iC-DC suitable for industrial applications. Using very few external components, a DC/DC power pack can be created with a stabilized supply voltage and minimum power dissipation.

Features

Wide input voltage range of +4 V to +36 V
Two back-end, adjustable linear regulators (1.5 V to 5.5 V) with a total of up to 300 mA of output current and a separate output voltage monitor
Reverse polarity protection up to -36 V with autarky function
Universal buck/boost converter with high efficiency
Low residual ripple with small capacitors in the μF range
Separate enable inputs for the linear regulators
Two switched linear regulator outputs
Integrated switching transistors and flyback diodes
Converter cut-off current can be set by an external resistor
Integrated 3 MHz oscillator with no external components
Active noise spectrum reduction
Error messaging with overtemperature, overvoltage, and undervoltage at the current-limited open-collector output
Wide temperature range of -40 °C to 105 °C
Protective circuitry against ESD
Space saving 24-pin QFN package

Applications

Dual voltage supply by buck/boost converters with adjustable, back-end linear regulators
Power management for laser, encoder, and automotive applications