LT1054CPG4

Voltage Regulators - DC DC Switching Regulators Overview

The LT1054CPG4 is a switched-capacitor voltage converter with an integrated regulator, manufactured by Texas Instruments. It operates within an input voltage range of 3.5 V to 15 V and provides a regulated output current of 100 mA. The device features a switching frequency of 25 kHz and a low static current of 100 µA. It supports boost and buck topologies, delivering outputs such as -5 V or adjustable voltages up to 26.4 V. The component is housed in an 8-pin PDIP package, suitable for through-hole mounting, and functions reliably across an operating temperature range of 0°C to +70°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated switched-capacitor topology eliminates the need for external inductors
• Built-in linear regulator ensures stable output voltage regulation
• Low quiescent current consumption enhances power efficiency
• Supports both positive and negative voltage conversion configurations

Voltage Regulators - DC DC Switching Regulators Applications

• Portable battery-powered equipment requiring dual polarity supplies
• RS-232 interface circuits needing charge pump generation
• Microcontroller systems requiring isolated negative rail generation
• Industrial control panels utilizing single-supply operation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'G4' indicates RoHS compliance and lead-free construction when sourcing. Confirm the manufacturer designation remains Texas Instruments, as legacy Analog Devices branding may appear on older stock. Ensure the PDIP-8 package matches your PCB footprint requirements. Cross-reference datasheet revisions to confirm pinout consistency with existing designs.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when inductor-less solutions are required for space-constrained designs. It is appropriate for applications demanding moderate output currents up to 100 mA without magnetic components. Consider thermal dissipation capabilities within the PDIP package for high ambient temperatures. Evaluate input voltage stability against the specified 3.5 V minimum threshold for reliable startup.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LT1054 family of switched-capacitor voltage converters. It serves as a lead-compliant variant of the standard LT1054 series. The device replaces older non-RoHS versions while maintaining identical electrical performance characteristics. It is categorized under PMIC switching regulators for general-purpose voltage inversion and boosting tasks.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LT1054CP is the direct predecessor part number. LT1054CDWR offers a surface-mount SOIC-16 alternative. LT1054IDWG4 provides an industrial temperature grade option in SOIC-16 packaging.