TPS735285DRVR

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The TPS735285DRVR is a voltage regulator from Texas Instruments’ Power Management Integrated Circuit (PMIC) portfolio. It belongs to the Linear Voltage Regulators product line, and is a direct-current (DC) to DC adjustable voltage regulator designed for use in mobile, industrial and automotive applications, specifically in devices requiring low input voltages such as three-, four-, and five-cell alkaline, nickel-metal hydride (NiMH), or lithium-ion (Li-ion) batteries.

The TPS735285DRVR operating range is of 1.5V to 5.5V, while the output voltage is adjustable from 0.9V to 5V. It is capable of delivering load currents up to 150mA, with a maximum inefficiency of 10%. The TPS735285DRVR operates in two modes: Force PWM (minimum noise) and pulse frequency modulation (PFM) (maximum efficiency).

The TPS735285DRVR has built-in protection for overcurrent, overvoltage and short circuit conditions, working according to the following principles:

• In overvoltage conditions, a voltage ramp clamps the output voltage at the desired level.
• In short-circuit conditions, the device\'s internal sensing circuit disconnects the output from the input, protecting the load from total destruction.
• In overcurrent conditions, the output current limit is reduced to its normal operating limit.

The device\'s no-load quiescent current is adjustable, ranging from 0.25mA to 10mA; this feature allows dynamic adjustment of output voltage, making it the ideal choice for applications relying on low operating current. The output can be switched on and off using an enable pin, while the device provides an overtemperature protection feature that helps keep the regulator\'s temperature under control.

Moreover, the TPS735285DRVR provides a low current low dropout (LCLDO) regulator for powering single-cell Li-ion and NiMH batteries, perfect for hand-held products such as mobile phones, media players and PDA\'s. This feature allows for continuous operation in battery-supplied systems, allowing the device to be used in low voltage Step-Down (buck) Converters, or in other high current and low current applications, such as automotive and medical.

The TPS735285DRVR delivers reliable power management and protection for all types of low input voltage applications, allowing for easy startup and shutdown, flexible output regulation, and low-ripple, low-noise operation. Moreover, its high integration features, lower quiescent current, integrated low-dropout linear regulator, and advanced over current protection, make it a great choice for any power system design.

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