LTC3499BEDD#PBF

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The LTC3499BEDD#PBF is an innovative DC-DC buck converter that belongs to the broad family of voltage regulators/DC-DC switching regulators. Designed as an ultra-high-efficiency voltage converter, it is ideal for applications that require both high efficiency and fast transient response. The device offers adjustable 500mA or 1.5A output current, low dropout voltage and the ability to operate from small input voltages. It also provides a low-ripple enabled sleep mode that minimizes quiescent current consumption.

The LTC3499BEDD#PBF implements a self-biasing, constant frequency, fixed-frequency, current-mode control architecture. The device combines differential current-mode control with a fast transient response to provide excellent line and load regulation over a wide input voltage range. It also provides a ±1% output accuracy over load and temperature ranges and a quick settling time of less than 8mV.

Unlike conventional solutions that require large external components and complex circuit designs, the LTC3499BEDD#PBF requires minimal external components and is extremely easy to configure. It features an internal soft-start circuit that limits output inrush current at startup, while its integrated fault protection combats shorted outputs and thermal over-stress.

The LTC3499BEDD#PBF covers a wide input voltage range of 4V to 30V, adjustable output voltage ranging from 0.8V to VIN, and supports input voltages up to 40V absolute maximum. Its high-efficiency switching architecture offers up to 94% efficiency over a wide range of load and input voltages, making it ideal for many power management and battery charging applications.

The LTC3499BEDD#PBF is ideal for a variety of power supply design applications and is suitable for consumer electronics, portable communications, industrial, and automotive applications. It operates in a wide range of temperatures, from -40°C to +85°C, and offers a 2.5V and 5.0V LDO output option for easy system integration.

In summary, the LTC3499BEDD#PBF offers fast transient response, adjustable output current up to 1.5A, low dropout voltage and the ability to operate from small input voltages, making it ideal for a variety of power management applications. It provides high-efficiency operation over a wide input voltage range and allows for quick settling time and excellent line and load regulation.

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