LTC3106IUDC#PBF

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LTC3106IUDC#PBF is a type of chip belonging to PMIC - Voltage Regulators - DC DC Switching Regulators power management integrated circuit (PMIC) family. It is a synchronous step-down DC/DC converter that regulates input voltages as low as 2.25V to output voltages as low as 0.6V. The device is ideally suited for space-constrained portable applications requiring up to 500mA of current, such as battery-powered products and other system-level power supplies.

The LTC3106IUDC#PBF is designed to operate from an input voltage range of VIN from 2.25V to 16V. Its output voltage, VOUT, is adjustable down to 0.6V with up to 500mA of load current. It features an integrated Nch MOSFET, with the input voltage source connected directly to the drain of the MOSFET. The source is connected to the VIN input pin and the gate is connected directly to the drain of the internal Nch MOSFET. The MOSFET is driven directly from the VIN pin. An internal loop compensation network ensures DC and AC load stability.

The LTC3106IUDC#PBF offers wide input voltage range, high step-down conversion efficiency, low output noise, and low dropout operation. It is electrically efficient, with low power dissipation, and supports both Pulse-Width Modulation (PWM) and Pulse Frequency Modulation (PFM) mode of operation. PWM mode of operation offers higher efficiency at light loads, while PFM mode offers lower power dissipation at heavy loads. Both modes are user selectable via the EN pin.

This device includes an input-current limit circuit and over-voltage protection (OVP) circuit to protect the chip against inadvisable input voltage levels and high current. The LTC3106IUDC#PBF also includes a thermal shutdown (TSD) circuit that inhibits the output if the chip temperature exceeds a pre-determined threshold. This feature protects the output from short circuit events and prevents device failure in extreme cases.

The LTC3106IUDC#PBF is ideal for a wide range of portable and non-portable applications that require a regulated output voltage from a single-cell Li-Ion battery or other low voltage source. Typical applications include cellular phones, MP3 players, portable instrumentation, digital still cameras, and personal head-mounted devices.

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