LTC4440AIMS8E-5#PBF

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The LTC4440AIMS8E-5#PBF is an integrated circuit used as a bridge driver in power management IC (PMIC). It is a single-source, high-side power supply controller with a variety of features and functions designed to provide protection and control of power supplies in a wide array of applications. The LTC4440AIMS8E-5#PBF is designed to control the main power supply of a system and is a cost-effective solution for applications such as DC/DC power converters, power supplies and lighting.

The LTC4440AIMS8E-5#PBF is a gate driver which offers the highest level of design flexibility and performance for PMIC applications such as switching, phase-shifting and synchronous rectifiers. It includes an integrated, low resistance, high power MOSFET gate driver, a dedicated half-bridge controller, an adjustable gate drive sink/source current protection, gate drive off protection and output current limitation, and a control signal input with advanced signal conditioning and error detection features. The LTC4440AIMS8E-5#PBF features an integrated high frequency, low-dropout linear regulator with adjustable current limit, as well as a high efficiency gate driver to ensure precise power control and precise protection across a wide range of temperatures and conditions.

The LTC4440AIMS8E-5#PBF is capable of providing an output supply voltage range from 0.7 V to 5.5 V, with an adjustable current limit of up to 4 A. The LTC4440AIMS8E-5#PBF supports a wide range of voltage amplitudes and frequencies, from ±10 V with a 1 MHz switching frequency to ±50 V with a 500 kHz switching frequency, allowing for precise control of output power levels. The device can also be operated as a synchronous rectifier with a peak efficiency of up to 90 percent.

The LTC4440AIMS8E-5#PBF’s integrated half-bridge controller provides advanced signal conditioning and error detection features to ensure accurate monitoring of the load conditions and temperature of the system. It supports a variety of features such as adjustable current limit, over-current protection, slew rate control, and automatic frequency selection. The controller also provides adjustable dead-time control to protect against simultaneous switch closing and prevent Shoot-through current.

The LTC4440AIMS8E-5#PBF is designed to provide a single-source high-side power supply control, allowing for easy integration into power management systems. The device is ideal for a variety of power supply applications such as DC/DC converters, voltage regulators, and industrial lighting systems. The integrated gate driver and controller provide a reliable and cost-effective solution for power management applications.

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