LT3592EDDB#TRPBF

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LT3592EDDB#TRPBF belong to a group of devices known as PMIC - LED Drivers. They enable the driving of currents to LEDs at different levels of output, allowing energy savings and flexibility in the control of lighting in various applications.

This device is an adaptive step-down current sink PMIC specifically designed to drive high current LEDs with constant current accuracy, allowing power savings over traditional linear regulators.

The LT3592EDDB#TRPBF has two main setup options, variable-frequency pulse-width modulation (PWM) mode and constant frequency pulse-width modulation (PFM) mode for optimal efficiency.

In PWM mode, a dual channel converter using synchronous rectification can deliver up to 1.2A peak output current from a 12V input and up to 1A from a 5V input. The PWM mode can provide efficiencies up to 95% for high output power applications, as well as improved noise performance.

In PFM mode, the dual channel converter is capable of delivering up to 0.7A peak output current from a 12V input and up to 0.5A from a 5V input. The PFM mode can be used in applications where efficiency is not a major concern, such as LCD backlighting, but will still provide improved noise performance.

The LT3592EDDB#TRPBF is offered in a 6-pin TDFN1.6/3 package and is rated for an operating temperature range of -40C to 85C. It is suitable for applications such as LED lighting and other low power LED applications.

The LT3592EDDB#TRPBF has two operating principles: burst frequency modulation (BFM) and adaptive pulse frequency modulation (APFM). With the BFM mode, the output current is modulated by varying the switching frequency, while in the APFM mode, the output current is modulated by varying the on-time pulse width. The output current can be programmed with an external resistor, allowing flexibility in different applications.

The LT3592EDDB#TRPBF also has a wide input voltage range of 2.5V to 40V, making it suitable for applications running from a wide variety of battery or AC mains powered sources. It also incorporates a fast over-temperature protection circuit, offering protection against thermal runaway.

In summary, the LT3592EDDB#TRPBF is a PMIC - LED driver suited for a variety of applications, such as LED lighting, where it enables efficient control of LEDs for optimal energy savings. The device combines high efficiency PWM and PFM mode, with flexible programming and wide input voltage range, providing good performance and reliability in different lighting applications.

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