LP5952LC-1.2/NOPB

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The LP5952LC-1.2/NOPB is a fixed-voltage linear regulator from Texas Instruments, belonging to the PMIC – Voltage Regulators – Linear group. It operates from an input voltage of 1.5V to 6V and generates a fixed output voltage of 1.2V, with a maximum load current of 150 mA. It is a single-channel, top-terminal linear voltage regulator, which provides excellent line and load regulation. It also features thermal shutdown protection, short-circuit protection, and overvoltage protection.The LP5952LC-1.2/NOPB features low dropout (LDO) regulation with a low quiescent current of 120 μA, enabling its use in battery-powered systems. Its typical quiescent current is 120 μA with a maximum current of 220 μA at the output. This regulator has a high PSRR of 65 dB and a low noise figure of 10 μVRMS. The device also has a fast response time of 0.2 μs, making it ideal for high-dynamic loads.

The LP5952LC-1.2/NOPB utilizes a voltage-reference technology to ensure excellent line and load regulation over a wide input-voltage range. Its optimal load regulation performance is ensured by a 2.2-Ω integrated resistor, eliminating external resistor matching networks. The device is available in an 8-pin VSSOP package, which has a space-saving 40% less footprint than an 8-NLVSOP package. It is specified for the extended industrial temperature range of -40°C to +125°C.

The LP5952LC-1.2/NOPB has a wide range of applications, including post-regulation of switching regulators, microprocessor and ASIC supplies, battery-backed system supplies, SCSI, USB and LCD power supplies, and memory subsystems. It is particularly well-suited for post regulation of wide-input buck converters.

In summary, the LP5952LC-1.2/NOPB is an ideal fixed-voltage linear regulator for battery-powered systems, providing excellent line and load regulation, low dropout voltage, high power supply rejection ratio (PSRR), wide input voltage range and fast response time. It is well-suited for post regulation of wide-input buck converters, and is available in an 8-pin VSSOP package.

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