LT1949EMS8#TRPBF

$3.49

Description：IC REG BST SEPIC ADJ 1A 8MSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)

SKU:16bbd3fb0e04 Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BST SEPIC ADJ 1A 8MSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR)
Function：Step-Up, Step-Up/Step-Down
Output Configuration：Positive
Topology：Boost, SEPIC
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：1.7V
Voltage - Input (Max)：12V
Voltage - Output (Min/Fixed)：1.7V
Voltage - Output (Max)：28V
Current - Output：1A (Switch)
Frequency - Switching：600kHz
Synchronous Rectifier：No
Operating Temperature：0°C ~ 70°C (TA)
Mounting Type：Surface Mount
Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package：8-MSOP

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LT1949EMS8#TRPBF

Overview

The LT1949EMS8#TRPBF is a monolithic switching regulator manufactured by Analog Devices Inc., housed in an 8-lead MSOP package. It integrates a 1A power switch and operates at a fixed 1.1MHz switching frequency. The device supports Boost, SEPIC, and Inverting topologies with an input voltage range of 1.7V to 12V. It provides an adjustable output voltage from 1.7V to 28V and delivers up to 1A of switch current. Designed for surface-mount installation, it functions within a temperature range of 0°C to 70°C.

Feature Summary

Integrates a high-efficiency 1A power switch for compact design
Supports multiple converter topologies including Boost, SEPIC, and Inverting configurations
Operates at a fixed 1.1MHz switching frequency to minimize external component size
Features internal soft-start to limit inrush current during startup

Applications

Portable battery-powered equipment requiring efficient step-up conversion
Industrial systems utilizing SEPIC topology for wide input voltage ranges
Inverting power supply generation for analog circuits
Embedded systems needing regulated voltage from single-cell lithium sources

Procurement Notes

Verify the specific suffix TRPBF indicates tape-and-reel packaging when ordering. Confirm the manufacturer is Analog Devices Inc. or Linear Technology. Ensure the part number matches the exact electrical specifications required for your circuit design before procurement.

Selection Notes

Select this component when a compact solution is needed for Boost, SEPIC, or Inverting applications. It is suitable for designs requiring a 1A switch current capability and operation from inputs as low as 1.7V. Consider the 8-MSOP package constraints and the 1.1MHz frequency for thermal and layout planning.

Part Context

This part belongs to the LT1949 family of switching regulators. It shares core functionality with variants like LT1949EMS8#PBF but differs in packaging format. The family is designed for space-constrained applications requiring high efficiency and minimal external components.