LT3020IMS8-1.5#PBF

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LT3020IMS8-1.5#PBF is a low noise, high frequency low dropout linear regulator with integrated power MOSFETs and reverse current protection. It is designed to be a complete, low-cost, low quiescent-current, 3A low output voltage linear regulator solution. It is available in three options: a low voltage version (LT3020IMS8-1.5#PBF), an adjustable output voltage version (LT3020IMS8-ADJ#PBF), and a high-voltage version (LT3020IMS8-3.3#PBF). The LT3020IMS8-1.5#PBF uses a PDM (pulse-width modulation) or PFM (pulse-frequency modulation) mode to maintain low output ripple and fast transient response.

Application Field

The LT3020IMS8-1.5#PBF is designed to provide an ultra-low-noise and low-ESR linear regulator solution for a variety of applications. The IC suited for applications such as:

• Portable medical and industrial equipment
• DC/DC converters
• Point-of-load converters
• AV equipment
• Digital communication players

It is also ideal for situations in which high peak current demand and noise reduction are two of the primary requirements for a system.

Working Principle

LT3020IMS8-1.5#PBF features an integrated power MOSFET that eliminates the need for an external MOSFET, allowing for a compact and compact form factor. It is designed to provide a low-noise, low-ESR linear solution with a maximum output ripple of less than 125mV. The device also offers reverse current protection, which helps protect the IC from overcurrent and over-temperature conditions. It uses two control loop techniques: pulse-width modulation (PWM) and pulse-frequency modulation (PFM) to provide ideal regulation of the output current. In PWM mode, the device will adjust the output voltage by regulating the switch on/off duty cycle. In PFM mode, the IC will maintain an average output voltage by adjusting the frequency of the PWM signal.

The LT3020IMS8-1.5#PBF is equipped with a precision reference and fault-checking circuits, which help achieve very precise regulation with an accuracy of 10mV in the scope of typical conditions. It also features enhanced load transient performance and improved thermal protection, which makes it suitable for a wide range of operated environments.

Conclusion

The LT3020IMS8-1.5#PBF linear regulator is an ideal solution for applications requiring small size and low quiescent current, while maintaining a low output voltage. It provides an ultra-low-noise and low-ESR linear regulator solution for a variety of applications. It uses two control loop techniques, PDM and PFM, to maintain low output ripple and fast transient response. It also features an integrated power MOSFET, reverse current protection, and enhanced load transient performance, making it one of the best low output voltage linear regulator solutions on the market.

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