LTC1682IS8#PBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC1682IS8#PBF is a switching voltage regulator manufactured by Analog Devices, housed in an SOIC-8 surface-mount package. It operates as a boost topology doubler charge pump with an integrated low noise linear regulator. The device accepts an input voltage range of 1.8 V to 4.4 V and provides a regulated output between 2.5 V and 5.5 V. It delivers a maximum output current of 50 mA with a fixed switching frequency of 550 kHz. Quiescent current is specified at 1 uA, while operating power consumption reaches 150 uA. The component supports a shutdown function and functions within a temperature range of -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrates a doubler charge pump with a low noise linear regulator for clean power delivery
• Features ultra-low quiescent current operation suitable for battery-powered applications
• Includes a dedicated shutdown pin for effective power management control

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring efficient step-up voltage conversion
• Battery-operated systems needing extended runtime through low standby current
• Noise-sensitive circuits utilizing the integrated low noise linear regulator

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix and manufacturer designation when sourcing, as Analog Devices acquired Linear Technology. Confirm RoHS compliance status and check for restricted supply notifications from authorized distributors. Ensure the SOIC-8 package variant matches your PCB footprint requirements before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a compact solution combining charge pump boosting and linear regulation is required. Consider the 550 kHz switching frequency for EMI constraints and verify that the 50 mA output current meets load demands. Evaluate the 1.8 V minimum input voltage against your source availability to ensure proper operation under all conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC1682 series of power management ICs designed for space-constrained portable electronics. It combines multiple power stages into a single small outline package to reduce board area. The integration of both pumping and regulation stages simplifies design complexity compared to discrete implementations.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.