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MAX20021ATIA/V+T The MAX20021ATIA/V+T is a quad step-down DC-DC converter from Analog Devices. It features four channels capable of delivering up to 1A each and operates at a 3.2MHz switching frequency.
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MAX20021ATIA/V+T

Available from 1 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The MAX20021ATIA/V+T is a quad step-down DC-DC converter from Analog Devices. It features four channels capable of delivering up to 1A each and operates at a 3.2MHz switching frequency.
✓ Total Stock: 22,600 pcs
$ Price Range: $1.08

MAX20021ATIA/V+T Available from 1 distributor

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✓ Non-Authorised
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Romaks Technologies ✓
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22,600 pcs
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MAX20021ATIA/V+T 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
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MAX20021ATIA/V+T Description

Short technical summary and product information.

The MAX20021ATIA/V+T is a power management IC (PMIC) from Analog Devices, integrating four high-efficiency, step-down DC-DC converters. Each output is programmable between 1.0V to 4.0V and can deliver up to 1.0A of current. The device operates from a 3.0V to 5.5V supply voltage, making it suitable for automotive point-of-load and post-regulation applications.

 

This PMIC features fixed-frequency, PWM-mode operation with a switching frequency of 3.2MHz. This high-frequency operation allows for an all-ceramic capacitor design and small external components. The device includes integrated low-resistance on-chip switches for high efficiency at heavy loads and simplified layout. Protection features include input overvoltage protection, input undervoltage monitoring, cycle-by-cycle current limiting, and overtemperature shutdown.

 

The MAX20021ATIA/V+T is available in a 28-pin TQFN package with an exposed pad. It is specified for operation over the -40°C to +125°C automotive temperature range. The device offers individual enable inputs and power good/reset outputs to simplify sequencing.

MAX20021ATIA/V+T Quick Information

Product Type: DC DC Switching Regulator
Canonical Name: MAX20021ATIA/V+T Automotive Quad, Low-Voltage Step-Down DC-DC Converter
Subcategory: Power Management ICs (PMICs)

MAX20021ATIA/V+T Compliance

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

MAX20021ATIA/V+T Estimated Pricing

Qty Low High
1+ $1.08 $1.08

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

MAX20021ATIA/V+T Features

  • Quad step-down DC-DC converters with integrated FETs.
  • Outputs programmable from 1.0V to 4.0V.
  • Each channel delivers up to 1A current.
  • 3.2MHz switching frequency for small components.
  • Operates from -40°C to 125°C automotive temperature.

MAX20021ATIA/V+T Applications

  • Ideal for automotive point-of-load.
  • Suitable for post-regulation applications.
  • Used in power management systems.
  • Enables compact power supply designs.

MAX20021ATIA/V+T FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the MAX20021ATIA/V+T?

The input voltage range is 3.0V to 5.5V.

What output voltages does the MAX20021ATIA/V+T support?

It supports fixed output voltages from 1.0V to 4.0V.

What is the switching frequency of the MAX20021ATIA/V+T?

The switching frequency is 3.2MHz.

What is the operating temperature range of the MAX20021ATIA/V+T?

The operating temperature range is -40°C to 125°C (junction).

What package is the MAX20021ATIA/V+T available in?

It is available in a 28-WFQFN exposed pad package, also supplied as 28-TQFN (5x5mm), for surface-mount mounting.

How many outputs does the MAX20021ATIA/V+T have and what currents can it deliver?

It has four outputs with current ratings of 1A, 500mA, 500mA, and 1A.

Does the MAX20021ATIA/V+T use synchronous rectification?

Yes, the MAX20021ATIA/V+T is a synchronous buck regulator.

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