LTC1649IS#PBF

$13.42

Description：IC REG CTRLR BUCK 16SOIC
Series：-
Mfr：Analog Devices Inc.
Package：Tube

SKU:bb6f7449b49e Category: DC DC Switching Controllers Brand: Analog Devices Inc.

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Product introduction

LTC1649IS#PBF is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC REG CTRLR BUCK 16SOIC. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for LTC1649IS#PBF

Description：IC REG CTRLR BUCK 16SOIC
Series：-
Mfr：Analog Devices Inc.
Package：Tube
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：2.7V ~ 5V
Frequency - Switching：200kHz
Duty Cycle (Max)：93%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Current Limit, Enable, Soft Start
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：16-SOIC (0.154", 3.90mm Width)
Supplier Device Package：16-SO

DC DC Switching Controllers datasheet and documents for LTC1649IS#PBF

LTC1649IS#PBF

DC DC Switching Controllers Overview

The LTC1649IS#PBF is a high-efficiency step-down switching regulator controller from Analog Devices, optimized for low supply voltages. It operates within an input voltage range of 2.7V to 5V and supports a fixed switching frequency of 200kHz with a maximum duty cycle of 93%. The device features synchronous rectification and integrates control functions including current limit, enable, and soft start. Packaged in a 16-lead SOIC, it is designed for applications requiring compact power management solutions.

DC DC Switching Controllers Feature Summary

Synchronous buck controller architecture for enhanced efficiency
Integrated soft start and current limit protection mechanisms
Optimized operation for low input voltage supplies

DC DC Switching Controllers Applications

Consumer electronics power management
Industrial equipment power systems
Battery-powered devices requiring efficient step-down regulation

DC DC Switching Controllers Procurement Notes

Verify the specific suffix IS8 versus IS when sourcing replacements, as package variations may exist. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the selected component matches the required thermal performance for the intended operating temperature range of -40°C to +85°C.

DC DC Switching Controllers Selection Notes

Select this controller for designs requiring a 200kHz switching frequency and synchronous rectification. It is suitable for inputs between 2.7V and 5V. Consider the 16-lead SOIC package constraints for PCB layout. Verify that external MOSFETs support the required output current capabilities for the target application.

DC DC Switching Controllers Part Context

This component belongs to the LTC1649 series of DC-DC switching controllers. It serves as a high-power, high-efficiency solution for step-down conversion. The series is characterized by its ability to operate efficiently at very low supply voltages, making it distinct from standard wide-input regulators.