LT1767EMS8-5#PBF

$8.56

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

SKU:df1999e5ad44 Category: Voltage Regulators - DC DC Switching Regulators Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC REG BUCK SEPIC 5V 1.5A 8MSOP
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Function：Step-Down
Output Configuration：Positive
Topology：Buck, SEPIC
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：3V
Voltage - Input (Max)：25V
Voltage - Output (Min/Fixed)：5V
Voltage - Output (Max)：-
Current - Output：1.5A
Frequency - Switching：1.25MHz
Synchronous Rectifier：No
Operating Temperature：0°C ~ 125°C (TJ)
Mounting Type：Surface Mount
Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package：8-MSOP

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LT1767EMS8-5#PBF

Overview

The LT1767EMS8-5#PBF is a monolithic buck switching regulator from Analog Devices Inc., operating at a fixed 1.25MHz frequency. It integrates a high-efficiency 1.5A power switch and complete current-mode control circuitry within an 8-pin MSOP package with exposed pad. The device accepts an input voltage range of 3V to 25V and provides a fixed 5V output capable of delivering up to 1.5A. Key electrical parameters include a maximum quiescent current of 1mA, a shutdown current of 6µA, and an operational temperature range spanning -40°C to +125°C junction temperature.

Feature Summary

Integrates a high-efficiency 1.5A synchronous power switch on the die for compact design.
Employs current-mode control architecture to ensure fast transient response and stable loop performance.
Supports both standard buck and SEPIC topologies for flexible step-down or split-rail generation.

Applications

12V to 5V step-down conversion in industrial systems
Dual-output SEPIC converters generating ±5V rails
Battery-powered equipment requiring efficient DC-DC regulation

Procurement Notes

Verify the specific suffix #PBF indicates tube packaging when ordering. Confirm the manufacturer is Analog Devices Inc. Ensure the part number matches the exact 5V fixed output variant. Check RoHS compliance status as per the latest datasheet revision. Validate the 8-MSOP EP package type against your PCB footprint requirements before finalizing procurement.

Selection Notes

Select this component for designs requiring a fixed 5V output from a 3V to 25V input source. It is suitable for applications needing up to 1.5A load current with high efficiency. Consider the 1.25MHz switching frequency for balancing component size and EMI. The exposed pad package aids thermal dissipation for sustained high-current operation.

Part Context

This part belongs to the LT1767 family of monolithic buck regulators. Other variants in the series provide different fixed output voltages such as 1.8V, 2.5V, and 3.3V. The family shares identical control circuitry and switching characteristics, differing primarily in the internal feedback divider settings for the target output voltage.