MAX755CSA+

Voltage Regulators - DC DC Switching Regulators Overview

The MAX755CSA+ is a PWM DC-DC converter manufactured by Analog Devices Inc./Maxim Integrated, designed for inverting topology applications. It operates within an input voltage range of 2.7 V to 9 V and delivers a regulated negative output voltage between -4.75 V and -5.25 V. The device supports a maximum output current of 275 mA with a switching frequency of 160 kHz. It features a shutdown function and maintains a typical quiescent current of 1.8 mA. The component is housed in an 8-pin SOIC package and functions reliably across an operating temperature range of 0°C to +70°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Inverts positive input voltages to generate stable negative output rails
• Integrates a fixed-frequency PWM controller for efficient power conversion
• Includes a dedicated shutdown pin for system power management

Voltage Regulators - DC DC Switching Regulators Applications

• Generating negative supply rails for operational amplifiers
• Powering RS-232 communication interface circuits
• Providing bias voltages for analog signal processing systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm package type and environmental compliance status. Ensure that the ordering information matches the required thermal performance and electrical specifications for the target application environment before finalizing procurement decisions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution is required to generate a negative voltage from a single positive source. Consider the 160 kHz switching frequency regarding electromagnetic interference requirements and verify that the 275 mA output current capability meets the load demands of the connected circuitry.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MAX755 series of switching regulators, which are engineered for low-cost, high-efficiency power conversion. The series utilizes pulse-width modulation technology to manage energy transfer efficiently. The MAX755CSA+ variant specifically denotes the commercial temperature grade version packaged in surface-mount technology for integration into printed circuit boards.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes include the MAX755CPA for through-hole mounting requirements or the MAX755CSA-T for tape-and-reel packaging configurations. Verify compatibility with existing PCB footprints and control loop characteristics when transitioning between these variants.