LT1173CS8-5#PBF

$8.44

Description：IC REG BUCK BOOST 5V 1.5A 8SO
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:4568de33bc6b Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK BOOST 5V 1.5A 8SO
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Function：Step-Up, Step-Down
Output Configuration：Positive or Negative
Topology：Buck, Boost
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：2V
Voltage - Input (Max)：30V
Voltage - Output (Min/Fixed)：5V
Voltage - Output (Max)：-
Current - Output：1.5A (Switch)
Frequency - Switching：23kHz
Synchronous Rectifier：No
Operating Temperature：0°C ~ 70°C (TA)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SO

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LT1173CS8-5#PBF

Overview

The LT1173CS8-5#PBF is a micro-power DC-DC converter manufactured by Analog Devices Inc. It operates as a switching voltage regulator with boost and buck topologies, housed in an 8-SOIC package. The device delivers a fixed 5V output at up to 800mA. Input voltage ranges from 2V to 30V, supporting step-up (2V–12V) and step-down (up to 30V) modes. Key electrical parameters include a quiescent current of 110µA, operating supply current of 135µA, and a switching frequency of 23kHz. It functions in non-inverting, inverting, step-up, or step-down configurations.

Feature Summary

Versatile micro-power DC-DC conversion capability supporting multiple topologies
Fixed output voltage options requiring minimal external components
Low quiescent current design for efficient power management

Applications

Telecommunications power supplies
Logic controlled flash memory VPP generators
High power low quiescent current step-down converters

Procurement Notes

Verify the specific suffix #PBF indicates lead-free compliance and RoHS status per manufacturer documentation. Confirm the SOIC-8 package dimensions match your PCB footprint requirements. Ensure input voltage conditions align with the specified 2V to 30V operational range for stable regulation.

Selection Notes

Select this component when a versatile, low-power switching regulator is required for fixed 5V applications. Consider its ability to handle both step-up and step-down operations within a single device. Evaluate the 23kHz switching frequency against noise sensitivity requirements in your specific circuit design.

Part Context

This part belongs to the LT1173 series of micro-power DC-DC converters. It is designed for applications requiring efficient power conversion with minimal external component count. The series supports various input voltages and offers fixed output configurations suitable for portable and battery-operated systems.