LTC1502CMS8-3.3#PBF

Voltage Regulators - DC DC Switching Regulators Overview

The LTC1502CMS8-3.3#PBF is a regulated charge pump DC/DC converter manufactured by Analog Devices Inc., designed to step up single-cell input voltages to a fixed 3.3V output. It operates within an input voltage range of 900 mV to 1.8 V, delivering a maximum output current of 10 mA. The device features a switching frequency of 500 kHz and includes a shutdown function for power management. It is housed in an SOIC-8 surface-mount package and supports operating temperatures from -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Provides regulated 3.3V output from low single-cell battery inputs
• Integrates high-frequency switching at 500 kHz for compact design
• Includes shutdown capability to minimize quiescent current consumption

Voltage Regulators - DC DC Switching Regulators Applications

• Single-cell lithium-ion or lithium-polymer battery powered devices
• Portable electronics requiring voltage boosting from low cell voltages
• Battery-operated sensors and instrumentation systems

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS adherence before procurement. Confirm the SOIC-8 package dimensions match your PCB footprint requirements. Ensure the input voltage source remains strictly within the 900 mV to 1.8 V operational window to maintain regulation. Check for any recent manufacturing changes via official PCN documents prior to finalizing orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.3V rail is required from a single-cell source with moderate current demands. It is suitable for applications where efficiency and board space are critical constraints. Consider the 10 mA output limit against load requirements. Evaluate the -40°C to +85°C temperature range against environmental conditions. Compare against other charge pumps if higher output currents or different topologies are needed.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LTC1502 series of charge pump regulators from Analog Devices. It is specifically configured for a 3.3V output, distinct from other variants offering different fixed voltages. The CMS8 designation identifies the commercial temperature grade and SOIC-8 packaging. It complements the broader portfolio of low-voltage power management solutions designed for portable and battery-efficient applications.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The DC239A is an official demonstration board associated with the LTC1502-3.3 series for evaluation purposes. No direct pin-to-pin replacement parts are confirmed in the provided documentation. Verify compatibility with existing circuit designs if substituting with similar charge pump ICs from other manufacturers.