MAX1649ESA+T

$3.99

Description：IC REG CTRLR BUCK 8SOIC
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tape & Reel (TR)

SKU:230122d5cb49 Category: DC DC Switching Controllers Brand: Analog Devices Inc./Maxim Integrated

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Product introduction

MAX1649ESA+T is listed in the DC DC Switching Controllers range at ChipApex. The manufacturer field lists Analog Devices Inc./Maxim Integrated. Its product description is IC REG CTRLR BUCK 8SOIC. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for MAX1649ESA+T

Description：IC REG CTRLR BUCK 8SOIC
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tape & Reel (TR)
Output Type：Transistor Driver
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Number of Outputs：1
Output Phases：1
Voltage - Supply (Vcc/Vdd)：3V ~ 16V
Frequency - Switching：Up to 300kHz
Duty Cycle (Max)：96.50%
Synchronous Rectifier：No
Clock Sync：No
Serial Interfaces：-
Control Features：Enable
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SOIC
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for MAX1649ESA+T

MAX1649ESA+T

DC DC Switching Controllers Overview

The MAX1649ESA+T is a BiCMOS step-down DC-DC switching controller providing high efficiency over loads from 1mA to 2.5A. It features a current-limited pulse-frequency-modulated control scheme with up to 300kHz switching frequency and 96.5% duty cycle. Input voltage ranges from 3V to 16V, with output options for fixed 5V, 3.5V, or adjustable regulation. Quiescent supply current is 100µA max, dropping to 5µA in shutdown. Operating temperature spans -40°C to 85°C in an 8-SOIC package.

DC DC Switching Controllers Feature Summary

Current-limited pulse-frequency-modulated control scheme
High efficiency over wide load range
Low dropout performance
Adjustable or fixed output voltage options

DC DC Switching Controllers Applications

PDAs
Battery-powered applications
Green PC applications
High-efficiency step-down regulation

DC DC Switching Controllers Procurement Notes

Verify component authenticity through authorized distributors only. Confirm RoHS compliance status matches current regulatory requirements. Check datasheet revisions for any functional updates. Ensure packaging type matches system assembly needs. Validate temperature range suitability for target environment.

DC DC Switching Controllers Selection Notes

Select this controller when high efficiency at light loads is critical. Suitable for battery-powered systems requiring low quiescent current. Choose for applications needing adjustable output voltage flexibility. Consider for space-constrained designs using SOIC packages. Evaluate thermal management requirements for continuous operation.

DC DC Switching Controllers Part Context

Part of Maxim Integrated's high-efficiency DC-DC controller family. Designed for portable electronics and battery-operated devices. Competes with other step-down controllers offering similar efficiency characteristics. Part of Analog Devices' portfolio following acquisition. Commonly used in consumer electronics power management solutions.

DC DC Switching Controllers Replacement Considerations

MAX1651 offers fixed 3.3V output option. MAX1649 provides identical functionality without suffix variations. Verify pin compatibility before substitution. Check electrical parameters match application requirements.

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.