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NJW4813 - Dual Half Bridge Driver

Description

The NJW4813 is a dual half bridge driver with boost converter IC.

Output voltage boost from Li-ion battery and a 5V power supply and can drive a piezo device by two half bridge drivers.

The NJW4813 is able to stable startup by soft start function in boost SW.REG..

Features

  • Boost Converter Block Output Switch Voltage Switching Current PWM Control Operating Voltage Range Oscillation Frequency Range Soft Start Function Over Current Protection http://www. DataSheet4U. net/ 40V max. 1A min. 2.7 to 5.5V 380k to 810kHz 17ms typ. Half Bridge Driver Block Internal 2-Channnel Half Bridge Each Channel Operates Individually Output Switch Peak Current Operating Voltage Range Switching Frequency Output Shut Down Control Over Current Protection Fault Indicator Output +280 / -.

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Full PDF Text Transcription

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NJW4813 Dual Half Bridge Driver with Boost Converter GENERAL DESCRIPTION The NJW4813 is a dual half bridge driver with boost converter IC. Output voltage boost from Li-ion battery and a 5V power supply and can drive a piezo device by two half bridge drivers. The NJW4813 is able to stable startup by soft start function in boost SW.REG.. The dual half bridge driver improves control characteristics from a microcomputer in response to independent signal input in each channel. The input frequency operates to 300kHz and in the case of failure, it can output a fault flag. ■ PACKAGE OUTLINE NJW4813SE3 FEATURES Boost Converter Block Output Switch Voltage Switching Current PWM Control Operating Voltage Range Oscillation Frequency Range Soft Start Function Over Current Protection http://www.
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