MAX8643AETG+ The MAX8643AETG+ from Analog Devices is a high-efficiency switching regulator delivering up to 3A load current. It operates from a 2.35V to 3.6V supply and offers adjustable output voltages.
Mfr Part #:

MAX8643AETG+

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The MAX8643AETG+ from Analog Devices is a high-efficiency switching regulator delivering up to 3A load current. It operates from a 2.35V to 3.6V supply and offers adjustable output voltages.
✓ Total Stock: 1,267 pcs
$ Price Range: $1.08

MAX8643AETG+ Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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1,267 pcs
1267 pcs On Request 1 On Request On Request On Request On Request On Request

MAX8643AETG+ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Output Voltage
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage

MAX8643AETG+ Description

Short technical summary and product information.

The MAX8643AETG+ is a high-efficiency switching regulator from Analog Devices, designed for on-board point-of-load and post-regulation applications. It delivers up to 3A of load current with output voltages adjustable from 0.6V to 0.9 times the input voltage. The device operates from a supply range of 2.35V to 3.6V, ensuring total output error is less than ±1% over load, line, and temperature variations.

 

This regulator features fixed-frequency PWM mode operation with an adjustable switching frequency ranging from 500kHz to 2MHz, allowing for small external components and all-ceramic capacitor designs. Its integrated low-resistance nMOS switches contribute to high efficiency at heavy loads. The MAX8643AETG+ includes a high-bandwidth voltage-error amplifier for fast transient response and supports VID-selectable output voltages or custom voltage setting via external resistors or a reference input.

 

The MAX8643AETG+ is available in a 24-pin, 4mm x 4mm thin QFN package, suitable for surface mounting. It is designed for applications such as ASIC/CPU/DSP core and I/O voltages, DDR power supplies, and telecom/networking power supplies. The device offers features like soft-start to reduce inrush current and is fully protected against overcurrent and overtemperature conditions.

MAX8643AETG+ Quick Information

Product Type: Switching Regulator
Series: MAX8643
Canonical Name: MAX8643AETG+ Step-Down Switching Regulator
Subcategory: Step-Down Regulator

MAX8643AETG+ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MAX8643AETG+ Estimated Pricing

Qty Low High
1+ $1.08 $1.08

Estimated market price range - modelled values for guidance only, not live distributor offers.

MAX8643AETG+ Features

  • Delivers up to 3A continuous output current.
  • Adjustable output voltage from 0.6V.
  • Operates from 2.35V to 3.6V supply.
  • Switching frequency adjustable from 500kHz to 2MHz.
  • Available in a 24-TQFN package.

MAX8643AETG+ Applications

  • Point-of-load regulation for low-voltage systems.
  • Power supply for FPGAs and ASICs.
  • Distributed power architectures in telecom equipment.
  • Portable and battery-powered devices.
  • Industrial and automotive power conversion.

MAX8643AETG+ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage of the MAX8643AETG+?

The input voltage is 2.35V.

What package does the MAX8643AETG+ come in?

It is available in a 24-WFQFN exposed pad package (24-TQFN, 4x4mm) for surface mount.

What is the operating temperature range?

The operating temperature range is -40°C to +85°C ambient.

What is the output current capability?

The MAX8643AETG+ can deliver up to 3A continuous output current.

Is the output voltage adjustable?

Yes, the output voltage is adjustable from 0.6V to 0.9 times the input voltage.

What is the switching frequency range?

The switching frequency is adjustable from 500kHz to 2MHz.

What is the output voltage accuracy?

The output voltage accuracy is ±1% over load, line, and temperature.

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