Overview of Texas Instruments LM2936Z-3.3 Voltage Regulator

The LM2936Z-3.3 from Texas Instruments is a highly efficient, low quiescent current voltage regulator, designed specifically for automotive and industrial applications that require low power consumption and a stable voltage supply. This regulator is capable of delivering a fixed output voltage of 3.3V with an output current of up to 50mA, making it an ideal choice for microcontroller power supplies and other low-power electronics.

Key Features

• Low Quiescent Current: The LM2936Z-3.3 boasts an exceptionally low quiescent current of 15µA (typical) at a 1mA load, which significantly extends battery life for battery-powered applications.
• High Accuracy: This regulator provides a high accuracy output voltage with a tolerance of ±3% over the full operating temperature range, ensuring reliable performance in critical applications.
• Wide Operating Temperature Range: The device operates over an industrial temperature range of -40°C to +125°C, making it suitable for harsh environments.
• Dropout Voltage: With a low dropout voltage typically at 250mV at a 50mA load, it maintains regulation even in conditions with minimal difference between the input and output voltages.
• Reverse Battery Protection: The LM2936Z-3.3 can withstand a reverse battery condition, protecting the device and other components in the circuit.
• Short Circuit Protection: The built-in short circuit protection feature safeguards the regulator against potential damage from output short circuits.

Applications

• Automotive electronics
• Battery-powered devices
• Microcontroller power supplies
• Portable and handheld equipment
• Industrial control systems

The LM2936Z-3.3's robust design includes a TO-92 package, which is suitable for through-hole mounting, providing ease of integration into a wide range of electronic circuits. Its combination of low quiescent current, high accuracy, and protective features make it a versatile and dependable choice for maintaining stable voltage in your electronic designs.