LT1507CS8-3.3#TRPBF

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The LT1507CS8-3.3#TRPBF is a fully featured DC-DC switching voltage regulator package with a narrow 4mm × 3 mm QFN (Quad Flat No-Leads) format. It can operate at input voltages of up to 24V and provides a regulated 3.3V output voltage and adjustable current up to 60mA.

The LT1507CS8-3.3#TRPBF operates in a constant frequency, fixed-frequency, current-mode switching control. It has a low-noise and low-EMI PWM design which ensures clean, ripple-free output. The circuit also offers easy output adjust options. Internal soft-start circuitry reduces inrush current for improved system reliability.

An internal 0.75Ω switch, a low on-resistance MOSFET, and an internal 0.8Ω sense resistor provide high efficiency AC-DC conversion and low power loss. The LT1507CS8-3.3#TRPBF also offers a load disconnect feature, which allows it to disconnect the output from the load when disabled.

The LT1507CS8-3.3#TRPBF is suitable for a variety of applications such as LED driving, portable electronics, and USB Power Delivery systems (USB PD). It is suitable for 3.3V and 12V rails, as well as Li-ion battery-powered systems. It also provides a reference voltage which can be used to drive a controller to turn off the device when the battery voltage is low.

The LT1507CS8-3.3#TRPBF features a functional safety architecture compliant with the IEC62443 standard. This architecture includes thermal shutdown, short-circuit protection, and overvoltage protection to help ensure the safety of the system in case of an unexpected event. The device also has an enable pin to allow for remote ON/OFF control.

In summary, the LT1507CS8-3.3#TRPBF is a DC-DC switching voltage regulator with a wide input voltage range, high efficiency, and a host of safety features. This makes it ideal for a variety of applications, including LED driving, portable electronics, and USB Power Delivery systems.

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