TLV71333PDQNR

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TLV71333PDQNR is a voltage regulator integrated circuit (IC) designed specifically for power management implemented into multiple devices. It is part of Texas Instruments’ Precision Voltage Regulation (PVR) series, a family of ultralow dropout (ULDO) linear voltage regulators offering high performance and low power consumption, and is categorized under the Power Management ICs (PMICs)/Voltage Regulators/Linear series. This voltage regulator IC is offered in a tiny 3 x 3 mm, leadless, surface-mount package, thus offering a very compact solution with a wide temperature range.

TLV71333PDQNR Application Field

The TLV71333PDQNR is a low input voltage, low quiescent current linear voltage regulator with a wide range of adjustable output voltage and low differential voltage, enabling it to be integrated into many applications. This voltage regulator IC is suitable for powering, for instance, microcontroller cores, communication system power rails, FPGAs, embedded controller supplies, consumer and portable applications, gaming consoles, and consumer electronics.

This tiny voltage regulator IC is equipped with advanced protection mechanisms such as overload protection, thermal shutdown, and brown-out (BO) protection. Moreover, this IC features Reverse Voltage (Reverse-Voltage Protection-RVP), short-circuit protection, line transient protection, and overvoltage protection (OVP). Additionally, its current limit protection feature helps to protect downstream components.

TLV71333PDQNR Working Principle

The working principle of ULVRs such as the TLV71333PDQNR is similar to that of a standard LDOs, operating on the linear principle, but with significantly reduced voltage drops. This is attained by integrating an advanced low quiescent current low dropout (LDO) architecture, achieving very low drops across the regulator. The TLV71333PDQNR achieves an input/output (Vin/Vout) differential voltage of just 40 mV for load currents lower than 175 mA, when operated with a typical quiescent current of just 28uA and with an input line voltage of 5V.

The TLV71333PDQNR provides a precise output voltage, with a static voltage accuracy of only ±2%. Its ideally low quiescent current may be further optimized, depending on the application and current demands, by configuring the LDO in one of its three operation modes, including the current-limited PWM mode, the pass-transistor mode and the burst-mode, allowing it to be easily integrated into a system with correct power management.

The TLV71333PDQNR is a stable and reliable IC, with fast line-transient response, responding to an input line change of up to 5V/uS. It features excellent power supply rejection ratio (PSRR) of up to 70dB at 1kHz, and offers a wide operating temperature range, from -40 to 125°C.

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