MAX1810ESA

Overview

The MAX1810ESA is a switching voltage converter manufactured by Analog Devices Inc./Maxim Integrated. It utilizes a switched capacitor topology to provide regulated output voltages of -5 V and +10 V from a single 3 V to 5.5 V input supply. The device delivers an output current of 125 mA with a selectable switching frequency ranging from 500 kHz to 1 MHz. Packaged in an 8-SOIC format, it operates within a temperature range of -40°C to +85°C.

Feature Summary

• Provides dual polarity outputs (-5 V and +10 V) from a single positive input source
• Features selectable switching frequency for optimized efficiency and component size
• Integrates charge pump circuitry for compact power management solutions

Applications

• Telecommunications equipment requiring negative bias supplies
• RS-232 interface circuits needing dual voltage rails
• Portable instrumentation powered by single-cell batteries

Procurement Notes

Verify the specific suffix against official datasheets to confirm pinout and electrical characteristics. Confirm RoHS compliance status through manufacturer documentation. Check current lifecycle status as availability may be limited. Ensure thermal management meets design requirements for the SOIC package.

Selection Notes

Select this component when dual polarity generation from a single low-voltage source is required. Consider the 125 mA output limit for load requirements. Evaluate the external capacitor requirements for the selected switching frequency. Compare against linear regulators for efficiency gains in battery-powered applications.

Part Context

This part belongs to the Maxim Integrated switched capacitor voltage converter family. These devices are designed for space-constrained applications where inductors cannot be used. The MAX1810 specifically addresses needs for generating negative voltages alongside positive rails in standard logic systems.

FAQ

What is the maximum output current capability?

The device provides up to 125 mA of output current.

Does the part support adjustable output voltage?

No, the MAX1810 generates fixed -5 V and +10 V outputs determined by internal resistor networks.