LT1761MPS5-1.8#TRPBF

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The LT1761MPS5-1.8#TRPBF is a high performance, low dropout voltage regulator that operates from 2.25V to 5.5V input voltage. It has a high current capability of 1.5A and a low dropout voltage of 0.8V typ at 1A load. The device is designed for very low noise operation with the advanced circuitry to reduce the input and output noise during the transient operation. It can provide the clean and power stable output voltage for advanced and sensitive application.

Features and Benefits

• High output current: 1.5A
• Low dropout voltage: 0.8V typ at 1A
• Low quiescent current: 50mA typ at full load
• Low output voltage accuracy: 1.8V to 1.9V adjustable
• Excellent line/load regulation: 0.1% typ
• Fast Transient response: 0.2µs typ
• Low ripple and noise: 10mVpp typ
• Current limit: +25%, -1% typ
• Thermal protection: Shutdown or Current foldback
• Matching of current and output voltage
• Shutdown current: <1µA
• Integrated soft-start

Typical Application

The LT1761MPS5-1.8#TRPBF is an ideal choice for applications where outstanding current capability, excellent line and load regulation, fast transient response and low dropout voltage are required. The device is ideal for all types of low voltage systems, such as cellular phones, digital cameras, notebooks, PDAs, Game Boy type systems and medical instrumentation.

Working Principle

The LT1761MPS5-1.8#TRPBF is a voltage regulator device. It uses a differential amplifier, resistors and capacitors to regulate the voltage down to the specified output voltage. The LT1761MPS5-1.8#TRPBF has a low-dropout voltage of 0.8V typ at 1A load, and its output is adjustable from 1.8V to 5.5V. The device features an advanced circuitry for low input and output noise operation during transient operations. It also features a thermal protection mode that will shut down the device when the die temperature exceeds the specified limit. The device can provide the clean and power stable output voltage required for advanced and sensitive applications.

Conclusion

The LT1761MPS5-1.8#TRPBF is an ideal low dropout linear regulator for high current, low noise and stable voltage output applications. It is suitable for use in all kinds of systems, from cellular phones, digital cameras, notebooks, PDAs, Game Boy type systems and medical instruments to computers. Its excellent features, such as low dropout voltage, low quiescent current, high output current and fast transient response, make it an ideal choice for a wide range of applications.

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