LM7924CT

PMIC - Voltage Regulators - Linear

The LM7924CT is a voltage regulator designed for applications that require minimal amount of load current (as low as 10 μA). It is used in a broad range of applications, from personal computers to automotive electronics. It is well suited for low power operations, and has excellent regulation characteristics.

Features

• Output voltage range: 5 V to 32 V
• Minimum load current: 10 µA
• Output voltage accuracy: ±2%
• Low dropout voltage: 0.6 V typ
• Quiescent current: 4 mA typ
• Output current capability: 2.5 A max
• Reverse load current: 100 µA max
• Adjustable or fixed voltage
• Protection from output overvoltage and overcurrent conditions
• Wide power supply voltage range

Applications

• Personal computers
• Automotive electronics
• Mobile communications
• Battery-powered applications
• Automation equipment
• Consumer electronics

Working Principle

The LM7924CT is a linear voltage regulator that implements stable voltage regulation through a feedback control loop. The regulator has an internal reference that provides a reference voltage to the error amplifier. The output voltage is compared with the internal reference voltage, and the error amplifier will drive the power switch to regulate the output voltage accordingly. The regulator is designed for minimum current consumption, with a low quiescent current of 4 mA. It can also operate at a very low voltage dropout, ensuring no reduction in output voltage after a sudden load change.

Conclusion

The LM7924CT is an efficient solution for applications that require low dropout voltage and minimal load current. It is perfect for powering small devices, and has a wide range of features and protection circuitry to ensure reliable operation. It is suitable for a variety of applications, from personal computers to consumer electronics.