LT1373CS8#PBF

Overview

The LT1373CS8#PBF is a high-efficiency switching voltage regulator from Analog Devices, housed in an SOIC-8 surface-mount package. It operates with a fixed switching frequency of 250 kHz and supports multiple topologies including Boost, Buck, Cuk, Flyback, Forward, and Inverting configurations. The device accepts an input voltage range from 2.7 V to 30 V and delivers up to 1.5 A output current. It features adjustable output voltage, a shutdown function, and a quiescent current of 1 mA. The component functions within a temperature range of 0°C to +125°C.

Feature Summary

• Supports versatile DC/DC converter topologies including Boost, Buck, Cuk, Flyback, Forward, and Inverting circuits.
• Integrates a shutdown pin for power management control.
• Delivers high efficiency suitable for battery-powered applications.
• Utilizes current mode switching regulation for stable performance.

Applications

• Portable equipment requiring efficient power conversion
• Battery-powered systems utilizing Boost or Buck topologies
• Inverting power supply designs generating negative voltages
• Cuk converter implementations for low ripple requirements

Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance when sourcing. Confirm the SOIC-8 package variant matches the design footprint. Ensure the supplier provides valid manufacturer documentation for quality assurance. Check regional availability as distribution may be restricted in certain areas. Validate that the operating temperature range meets the environmental requirements of the target application.

Selection Notes

Choose this component when designing circuits requiring flexible topology options such as Cuk or Inverting converters. Select it for applications needing a 1.5 A output capability with a 250 kHz switching frequency. Consider it for designs requiring a wide input voltage range extending up to 30 V. Opt for this part if a shutdown feature is necessary for system power management.

Part Context

This part belongs to the LT1373 series of monolithic DC/DC converters manufactured by Analog Devices. It is categorized under PMIC - Power Management ICs. The CS8 suffix denotes the SOIC-8 surface-mount package option. It is distinct from through-hole variants like the LT1373CN8#PBF.

FAQ

What switching frequencies does the LT1373 support?

The LT1373 operates at a fixed switching frequency of 250 kHz.

Can the LT1373 generate negative output voltages?

Yes, the device supports Inverting and Cuk topologies capable of producing negative output voltages.