LT1176CN8-5#PBF

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PMIC - Voltage Regulators - DC DC Switching Regulators

The LT1176CN8-5#PBF is a synchronous switching buck regulator that is designed to deliver 3A of current. It has an operating temperature range of -40°C to 85°C and is designed for a 10V-36V input voltage range and an adjustable output voltage from (0.6 x VIN) to 5V. This switching regulator is capable of delivering up to 600KHz switching frequency and is ideal for powering FPGAs and ASICs. Aside from its strong power delivery, it also has built-in over-temperature protection, short-circuit protection, and load-transient recovery.

The LT1176CN8-5#PBF switches buck regulator is built using a synchronous rectified buck topology. This topology features an internal high-side switch and low-side switch, both of which are controlled by a synchronous oscillator that creates a switching signal. This operates as an NRZ (Non-Return Zero) signal, meaning that it has no dead time or overlap between the high-side and low-side switching elements. This is important as it helps minimize power-loss and improve efficiency.

The primary components of the LT1176CN8-5#PFB buck regulator are the pulse width modulator, error amplifier, and driver circuit. The pulse width modulator converts the reference voltage from the error amplifier into the NRZ signal. The error amplifier then compares the input voltage (VIN) to the output voltage (VOUT) to generate the reference voltage. This reference voltage is then used to control the interval of the high-side and low-side switching elements. The driver circuit is used to generate the gate drive signals for the high-side and low-side switches. The gate drive signals then cause the high-side and low-side switches to turn on and off at the correct intervals.

The LT1176CN8-5#PBF buck regulator is widely used in applications such as network infrastructure, automotive, industrial automation, surveillance, and medical. It is used in these applications as it can provide reliable and power efficient voltage regulation, which is essential for the consistent performance and longevity of electronic systems. It is also highly reliable, as it is designed to withstand up to 3A of continuous current, and is designed for high efficiency operation.

In summary, the LT1176CN8-5#PBF is a reliable, power efficient, and cost-effective switching buck regulator ideal for powering FPGAs and ASICs. It is widely used in applications such as network infrastructure, automotive, industrial automation, surveillance, and medical as it can provide consistent performance and longevity of electronic systems. It has a wide operating temperature range, high switching frequency, and has built-in protection against over-temperature, short-circuits, and load transients.

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