LT1054CDWRE4

Voltage Regulators - DC DC Switching Regulators Overview

The LT1054CDWRE4 is a switched-capacitor voltage converter manufactured by Texas Instruments, designed for generating positive or negative output voltages from a single input source. It operates within an input voltage range of 3.5 V to 15 V and provides a maximum output current of 100 mA. The device features a fixed switching frequency of 25 kHz and maintains a low static current of 100 uA. It supports boost and buck topologies and is housed in a 16-SOIC package with an operating temperature range of 0°C to +70°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated switched-capacitor architecture eliminates the need for external inductors.
• Capable of generating both positive and negative output voltages from a single supply.
• Fixed 25 kHz switching frequency simplifies external component selection.

Voltage Regulators - DC DC Switching Regulators Applications

• Bipolar power supply generation for operational amplifier circuits
• RS-232 interface voltage translation
• Data acquisition systems requiring dual polarity rails

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'E4' indicates RoHS compliance and lead-free construction as per Texas Instruments standards. Confirm the 'R' designation corresponds to tape-and-reel packaging rather than tube packaging. Ensure the order matches the SOIC-16 surface-mount footprint requirements for your PCB layout.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when inductor-less voltage inversion is required within a 100 mA load limit. The 25 kHz frequency allows for smaller capacitors compared to lower-frequency alternatives but may require attention to electromagnetic interference. Verify that the 100 mA output current meets the peak demands of the target application without exceeding thermal limits in the SOIC-16 package.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LT1054 family of switched-capacitor regulators. It shares functional similarities with the LT1054CP and LT1054ID variants but differs in package type (SOIC vs. DIP) and commercial/industrial temperature ratings. The E4 suffix typically denotes environmental compliance modifications within the Texas Instruments product line.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LT1054CDW

Voltage Regulators - DC DC Switching Regulators FAQ

Does the LT1054CDWRE4 support adjustable output voltage?

No, the LT1054CDWRE4 is configured for fixed output ratios relative to the input voltage, such as -Vin or 2Vin, rather than providing a continuously adjustable output.

What is the maximum input voltage for this device?

The maximum recommended input voltage for the LT1054CDWRE4 is 15 V.