LT1054IN8#PBF

Voltage Regulators - DC DC Switching Regulators Overview

The LT1054IN8#PBF is a monolithic, bipolar switched-capacitor voltage converter and regulator manufactured by Analog Devices Inc. It operates within an input voltage range of 3.5 V to 15 V and delivers an output current of 100 mA. The device features an adaptive switch driver scheme that optimizes efficiency across wide output current ranges, with a typical total voltage loss of 1.1 V at full load. It supports adjustable or fixed output configurations, including negative inversion and positive boosting, with a maximum output voltage of 30 V. The component utilizes a charge pump topology with a switching frequency of 25 kHz and is housed in an 8-pin PDIP package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Monolithic bipolar switched-capacitor architecture providing high output current with significantly reduced voltage losses compared to previous converters.
• Adaptive switch driver scheme designed to optimize efficiency over a wide range of output currents.
• Supports multiple conversion topologies including basic voltage inversion, regulation, and step-up functions.

Voltage Regulators - DC DC Switching Regulators Applications

• Basic voltage inverter and regulator circuits
• Digitally programmable negative power supplies
• Low noise DC-DC conversion from 5V to ±12V or ±15V
• 3.5V to 5V voltage regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix IN8#PBF against the manufacturer's datasheet to confirm the PDIP-8 through-hole package variant. Ensure compatibility with required thermal dissipation for the chosen application. Confirm RoHS compliance status as per the latest material declaration. Check current availability status with authorized distributors as supply conditions may vary.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a reliable switched-capacitor solution is needed for generating negative voltages or stepping up low input voltages without magnetic components. Consider the 100 mA output limit and 25 kHz switching frequency for noise-sensitive applications. Evaluate the need for the PDIP-8 package versus surface-mount alternatives like the IS8 variant based on PCB assembly requirements.

Voltage Regulators - DC DC Switching Regulators Part Context

The LT1054 series belongs to Analog Devices' portfolio of switched-capacitor power management ICs. These devices are designed to replace traditional transformer-based or inductor-based converters in applications where size, cost, and electromagnetic interference are critical constraints. The IN8#PBF designation specifically identifies the industrial grade version in a plastic dual in-line package.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

LT1054IS8#PBF: Surface mount SOIC-8 equivalent with identical electrical specifications.

Voltage Regulators - DC DC Switching Regulators FAQ

What is the typical voltage drop of the LT1054IN8#PBF at full load?

The total voltage loss is typically 1.1 V when delivering 100 mA of output current across the entire supply voltage range.

Does the LT1054 support both positive and negative output configurations?

Yes, the device can function as a basic voltage inverter to generate negative outputs or as a regulator/booster for positive outputs.