MAX1631EAI+T

Description：IC REG CTRLR BUCK 28SSOP
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tape & Reel (TR)

SKU:09b9c4dc4416 Category: DC DC Switching Controllers Brand: Analog Devices Inc./Maxim Integrated

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Product introduction

MAX1631EAI+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 28SSOP. Review the specifications below when checking this part for your BOM.

DC DC Switching Controllers specifications for MAX1631EAI+T

Description：IC REG CTRLR BUCK 28SSOP
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：2
Output Phases：1
Voltage - Supply (Vcc/Vdd)：4.2V ~ 30V
Frequency - Switching：200kHz ~ 300kHz
Duty Cycle (Max)：99%
Synchronous Rectifier：Yes
Clock Sync：Yes
Serial Interfaces：-
Control Features：Enable, Reset, Sequencing
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Package / Case：28-SSOP (0.209", 5.30mm Width)
Supplier Device Package：28-SSOP
Grade：-
Qualification：-

DC DC Switching Controllers datasheet and documents for MAX1631EAI+T

MAX1631EAI+T

DC DC Switching Controllers Overview

The MAX1631EAI+T is a multi-output, low-noise power-supply controller designed for notebook computer applications. It utilizes a buck topology to regulate power efficiently. The device features two independent outputs with a switching frequency of 300 kHz and a maximum duty cycle of 99%. It supports output voltages including 3.3 V, 5 V, and adjustable ranges from 2.5 V to 5.5 V, delivering up to 1 A of output current. The component operates within a temperature range of -40°C to +85°C and is housed in a 28-SSOP surface-mount package.

DC DC Switching Controllers Feature Summary

Multi-output architecture providing dual regulated rails for system power distribution
Low-noise design optimized for sensitive portable computing environments
Integrated buck switching controller with high maximum duty cycle capability

DC DC Switching Controllers Applications

Notebook computer power supply systems
Multi-rail DC-DC conversion circuits
Portable electronic device power management

DC DC Switching Controllers Procurement Notes

Verify the specific suffix 'T' indicates tape-and-reel packaging when sourcing. Confirm RoHS compliance status through official manufacturer documentation. Check lifecycle status as some variants may be obsolete or restricted. Ensure the SSOP-28 footprint matches the target PCB layout requirements before procurement.

DC DC Switching Controllers Selection Notes

Select this component for designs requiring dual low-noise outputs from a single controller IC. Verify that the 300 kHz switching frequency aligns with EMI constraints and inductor selection. Ensure input voltage ranges support the required 3.3 V and 5 V output levels. Consider thermal dissipation capabilities within the SSOP-28 package for the intended load conditions.

DC DC Switching Controllers Part Context

The MAX1631 series belongs to Analog Devices' Maxim Integrated portfolio of power management integrated circuits. These controllers are specifically engineered for mobile computing platforms where space and noise performance are critical. The family includes variants like the MAX1632, which adds linear regulator outputs, offering flexibility for complex power sequencing needs in laptops.