Texas Instruments

TPS79533DCQ

TPS79533DCQ Description

The TPS79533DCQ from Texas Instruments is a high-performance, fixed-output 3.3V, 500mA low-dropout (LDO) linear voltage regulator designed for precision power management in space-constrained applications. Packaged in a SOT-223-6 surface-mount form factor, this regulator delivers a stable output with an ultra-low dropout voltage of 0.16V at 500mA, making it ideal for battery-powered and noise-sensitive systems. With a 5.5V maximum input voltage, it supports a wide range of power sources while maintaining high efficiency. The device features 385 µA quiescent current, enhancing energy efficiency in always-on applications.

TPS79533DCQ Features

• High PSRR (59dB @ 100Hz): Ensures excellent noise rejection for sensitive analog and RF circuits.
• Advanced Protection: Includes over-current, over-temperature, reverse polarity, and UVLO (Under Voltage Lockout) for robust system reliability.
• Enable Control: Allows power sequencing and standby mode to minimize power consumption.
• Low Dropout (0.16V @ 500mA): Maximizes efficiency in low-voltage differential applications.
• RoHS3 & REACH Compliant: Meets stringent environmental and safety standards.
• Stable with Ceramic Capacitors: Reduces BOM cost and board space.

TPS79533DCQ Applications

• Portable Electronics: Ideal for smartphones, tablets, and wearables due to low Iq and compact footprint.
• Industrial Sensors: High PSRR ensures stable operation in noisy environments.
• Medical Devices: Reliable performance with protection features for critical systems.
• Automotive Infotainment: UVLO and thermal protection enhance durability in harsh conditions.
• FPGA/ASIC Power Rails: Provides clean, low-noise power for high-speed digital ICs.

Conclusion of TPS79533DCQ

The TPS79533DCQ stands out as a high-efficiency, feature-rich LDO regulator, offering superior noise immunity, low dropout, and robust protection in a compact package. Its combination of low quiescent current, high PSRR, and enable control makes it a versatile choice for modern electronics demanding reliable power management. Whether for portable, industrial, or automotive applications, this regulator delivers performance, safety, and efficiency, aligning with Texas Instruments' reputation for quality power solutions.