MAX1951ESA+T

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The MAX1951ESA+T is a high-performance synchronous step-down DC-DC switching regulator that provides robust system transients, radio frequency interference (RFI) performance, and low-noise operation.

The MAX1951ESA+T is part of the MAX1951 family of DC-DC switching regulators and provides a high-efficiency, digitally configurable switching regulator offering excellent power density capabilities in a small package. The regulator is designed for point-of-load applications requiring fast transient response and efficient operation over a wide input voltage range.

The MAX1951ESA+T is suitable for many different applications ranging from portable multimedia devices to embedded/industrial motor control systems. Its core features include an integrated high-side and low-side switch, a wide input voltage range, an extended frequency range for longer battery life in portable applications, very low output-voltage ripple and low-noise operation, and comprehensive digital control and telemetry functions.

The MAX1951ESA+T offers a complete power solution configured via I2C or SPI serial interface in a small 8-pin package. It is also configurable via an I/O-based configuration pins selection and offers precise independent control of both switch times and signal averaging.

At the heart of the MAX1951ESA+T lies its switching pulse-width modulation (PWM) architecture. This PWM architecture provides precise output voltage and current regulation with adjustable frequency and current limit. Its switching regulator design provides high-efficiency over a wide input voltage range, allowing for more flexible design.

For applications where even smoother output voltage is required the MAX1951ESA+T incorporates a two-stage synchronous converter topology. This topology uses two switching regulators in parallel to achieve 1% output accuracy in step-down and step-up configurations. The two-stage topology also provides improved efficiency, higher ripple rejection and current limit regulation.

The MAX1951ESA+T operates from a wide input voltage range of 3.2V to 20V and provides an adjustable output voltage range of 0.8V to 5.5V. The device has a maximum switching frequency of 600kHz, enabling rapid transient response and small external components. The device incorporates a low-profile inductor and low-ESR ceramic capacitors, allowing for a small solution size.

The MAX1951ESA+T incorporates a number of protection features to help protect the application. It has an integrated over-temperature protection and a programmable maximum current limit, allowing the user to set a maximum limit for the output current. The device also includes a programmable under-voltage lockout feature to prevent the output voltage from falling too low.

Additional features include an adjustable soft start, adjustable current limit, power saving mode, and high-side and low-side programmable slew rate. The device also integrates a comprehensive suite of telemetry and diagnostics functions, allowing comprehensive monitoring of parameters such as input voltage, output voltage, and current.

In summary, the MAX1951ESA+T is a high-performance synchronous step-down DC-DC switching regulator that provides robust system transients, radio frequency interference (RFI) performance, and low-noise operation. Its application field includes many different types of applications ranging from portable multimedia devices to embedded/industrial motor control systems, enabling efficient and flexible design.

The specific data is subject to PDF, and the above content is for reference