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IT7831 - 5V/1A High Efficiency Synchronous Step-Down DC/DC Converter

Description

The IT7831 is a high efficiency step-down DC/DC converter using a constant frequency, current mode architecture.

The device integrates a main switch and a synchronous rectifier for high efficiency without an external schottky diode.

Features

  • High Efficiency up to 95% 2.5V to 6.0V Input Voltage Range 1A Output Current 1.2MHZ Oscillator Frequency Operation Allowable 0.6V Low Output Voltage Current Mode Operation Internal Soft-start Over-temperature Protection 0.1µA Shutdown Current SOT235 and TSOT235 Small Package Adjustable from 0.6V to Vin RoHS Compliant (100% Green Available) Power Saving Mode.

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Datasheet Details

Part number IT7831
Manufacturer M3TEK
File Size 27.30 KB
Description 5V/1A High Efficiency Synchronous Step-Down DC/DC Converter
Datasheet download datasheet IT7831 Datasheet

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Full PDF Text Transcription

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M3TEK IT7831 5V/1A High Efficiency Synchronous Step-Down DC/DC Converter Description The IT7831 is a high efficiency step-down DC/DC converter using a constant frequency, current mode architecture. The device integrates a main switch and a synchronous rectifier for high efficiency without an external schottky diode. The supply current during operation is only 190µA and drops to < 1µA after shutdown. The IT7831 can supply 1A of load current from 2.5V to 6.0V input voltage. The output voltage can be regulated as low as 0.6V. The switching frequency is internally set at 1.2MHz, allowing the use of small surface mount inductors and capacitor. The IT7831 is available in a low profile TSOT23_5L and SOT23_5L package. Features High Efficiency up to 95% 2.5V to 6.
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