MAX20074

PRODUCTION

Single 2A/3A 2.2MHz Low-Voltage Step-Down DC-DC Converters

Small and Efficient Synchronous Buck Converter with Low IQ for Point-of-Load Applications

Data Sheet (Rev. 2) Product Selection Table
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Overview

  • High-Feature Set in Ultra-Small Footprint
    • High-Efficiency DC-DC Converter
    • Up to 3A Output Current
    • 2.7V to 5.5V Operating Supply Voltage
    • Resistor-Adjustable or Factory-Preset Output Voltage
    • Synchronizable, 2.2MHz Switching-Frequency Enable Input
    • Active-Low RESET Output
    • Spread-Spectrum Enable Input
    • Forced-PWM and Skip Modes
    • Current-Mode Architecture
    • 3mm × 3mm × 0.75mm, 10-Pin TDFN
  • High Precision
    • 107% Overvoltage Monitor
    • 93% Undervoltage Monitor
    • ±1.5% Output-Voltage Accuracy
    • Excellent Load Transient Performance
    • Overtemperature and Short-Circuit Protection
    • -40°C to +125°C Operating Temperature Range
MAX20074
Single 2A/3A 2.2MHz Low-Voltage Step-Down DC-DC Converters
MAX20073, MAX20074: Typical Operating Circuit
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Documentation

Data Sheet 1

Design Note 1

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Tools & Simulations

ADI Power Studio™ Designer

ADI Power Studio™ Designer is the next-generation tool for IC-level, power supply design, guiding engineers to faster, validated solutions.

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SIMPLIS Models 1

Evaluation Kits

eval board
schematic 1
schematic 2
schematic 3
MAX20074EVKIT

MAX20074 Evaluation Kit: Evaluates: MAX20015, MAX20016, MAX20017, MAX20018, MAX20073, MAX20074

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Features and Benefits

  • 2.7V to 5.5V Input Voltage Range
  • 0.5V to 3.8V Output Voltage Range
    • Set by External Resistive Divider or Preprogrammed at Factory
    • Base EV Kit Configuration Set to 1.8V/3A Output
  • High-Frequency Switching (2.2MHz) Allows for an All-Ceramic Capacitor Design
  • Continuously Produces Output Current Up to 3A
  • Compact Solution Size
    • Externally Adjustable Output Implementation Fits Inside 65mm2 Area
    • Preprogrammed Output Implementation Fits Inside 55mm2 Area

Product Details

The MAX20074 evaluation kit (EV kit) demonstrates the performance and behavior of the MAX20074, a part in the MAX20015–MAX20018/MAX20073/MAX20074 family of pin-compatible, low-voltage, step-down switching regulator ICs.

The regulator delivers current up to 3A at an output voltage between 0.5V and 3.8V. The device operates from a 2.7V to 5.5V input supply voltage, making it ideal for post-regulation and point-of-load applications. The total error over load, line, and temperature ranges is 1.5%. The base switching frequency is 2.2MHz, which allows for all-ceramic capacitor application designs. The regulator can either be synchronized to an external clock or placed in a power-saving skip mode for increased efficiency at light loads.

The regulator provides an enable input and fault flag output. The output voltage can be set using an external resistor-divider and an internal 0.5V reference. Alternatively, it can be programmed at the factory for a specific output voltage, achieving 1.5% output accuracy without resorting to expensive 0.1% resistors. The soft-start time and fault hold time can also be factory programmed.

The regulators include overtemperature shutdown and overcurrent limiting. They are designed to continuously operate over the -40°C to +125°C ambient temperature range.

APPLICATIONS

  • Automotive
  • Point-of-Load

MAX20073EVKIT

Evaluation Kit for the MAX20073

Buy Now View Details

Features and Benefits

  • 2.7V to 5.5V Input Voltage Range
  • 0.5V to 3.8V Output Voltage Range
    • Set by External Resistive Divider or Preprogrammed at Factory
    • Base EV Kit Configuration Set to 1.8V/2A Output
  • High-Frequency Switching (2.2MHz) Allows for an All-Ceramic Capacitor Design
  • Continuously Produces Output Current Up to 2A
  • Compact Solution Size
    • Externally Adjustable Output Implementation Fits Inside 65mm2 Area
    • Preprogrammed Output Implementation Fits Inside 55mm2 Area

Product Details

The MAX20073 evaluation kit demonstrates the performance and behavior of the MAX20073, a part in the MAX20015–MAX20018/MAX20073/MAX20074 family of pin-compatible, low-voltage, step-down switching regulator ICs.

The regulator delivers current up to 2A at an output voltage between 0.5V and 3.8V. The device operates from a 2.7V to 5.5V input supply voltage, making it ideal for post-regulation and point-of-load applications. The total error over load, line, and temperature ranges is 1.5%. The base switching frequency is 2.2MHz, which allows for all-ceramic capacitor application designs. The regulator can either be synchronized to an external clock or placed in a power-saving skip mode for increased efficiency at light loads.

The regulator provides an enable input and fault flag output. The output voltage can be set using an external resistor-divider and an internal 0.5V reference. Alternatively, it can be programmed at the factory for a specific output voltage, achieving 1.5% output accuracy without resorting to expensive 0.1% resistors. The soft-start time and fault hold time can also be factory programmed.

The regulators include overtemperature shutdown and overcurrent limiting. They are designed to continuously operate over the -40°C to +125°C ambient temperature.

Applications

  • Automotive
  • Point-of-Load
MAX20074EVKIT
MAX20074 Evaluation Kit: Evaluates: MAX20015, MAX20016, MAX20017, MAX20018, MAX20073, MAX20074
MAX20074EVKIT Board Photo Angle MAX20074EVKIT Board Photo Top MAX20074EVKIT Board Photo Bottom
MAX20073EVKIT
Evaluation Kit for the MAX20073

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