LT1173CS8-5#TRPBF

$3.86

Description：IC REG BUCK BOOST 5V 1.5A 8SO
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)

SKU:318d2521f339 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：Tape & Reel (TR)
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#TRPBF

Overview

The LT1173CS8-5#TRPBF is a versatile micro-power DC-DC converter manufactured by Analog Devices Inc. It operates in step-up, step-down, or inverting topologies with an input voltage range of 2V to 30V. The device provides a fixed 5V output and supports up to 0.4A output current. It requires only three external components for operation. Key electrical parameters include a switching frequency of 23kHz, a maximum static current of 110µA, and an operating temperature range from 0°C to +70°C. The component is housed in an 8-pin SOIC package.

Feature Summary

Supports multiple conversion modes including step-up, step-down, and inverting configurations
Requires only three external components to deliver fixed 5V or 12V outputs
Operates effectively across a wide supply voltage range from 2V to 30V

Applications

Telecom power supplies
Logic controlled flash memory VPP generators
Battery powered systems requiring step-up or step-down conversion

Procurement Notes

Verify the specific suffix #TRPBF indicates tape and reel packaging when ordering. Confirm the fixed 5V output variant matches the design requirement. Ensure the 8-pin SOIC footprint is compatible with the target PCB layout. Check for RoHS compliance status if required by environmental regulations. Validate that the operating temperature range meets the application's thermal constraints.

Selection Notes

Select this component for applications requiring a simple, low-component-count DC-DC solution. It is suitable for micro-power designs where space is limited. Consider the 23kHz switching frequency for EMI-sensitive environments. Evaluate the 0.4A current limit against peak load requirements. Compare efficiency metrics at specific load points against alternative regulators.

Part Context

The LT1173 series consists of versatile micro-power DC-DC converters designed for flexibility. The CS8 designation refers to the commercial temperature grade and SOIC-8 package style. The -5 suffix specifies the fixed 5V output version. This family allows designers to implement boost, buck, or inverting circuits using minimal external parts.