MAX20098

PRODUCTION

Versatile Automotive 36V 2.2MHz Buck Controller with 3.5µA IQ

Industry's Lowest IQ Automotive Synchronous Step-Down Controller Uses Only 3.5µA of Quiescent Current at Light Loads

Data Sheet (Rev. 16) Product Selection Table
Part Models
14
1ku List Price
Starting From $1.36
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Part Details

  • Meets Stringent OEM Module Power Consumption and Performance Specifications
    • 3.5µA Quiescent Current in Skip Mode at VOUT = 3.3V
    • Fixed 5.0V/3.3V or Adjustable 1V to 10V Output
    • ±1.1% Output-Voltage Accuracy for 5V Fixed Setting
  • Enables Crank-Ready Designs
    • Wide Input Supply Range from 3.5V to 42V
  • EMI Reduction Features Reduce Interference with Sensitive Radio Bands without Sacrificing Wide Input Voltage Range
    • 50ns (typ) Minimum On-Time Guarantees Skip-Free Operation for 3.3V Output from Car Battery at 2.2MHz
    • Spread-Spectrum Option
    • Frequency-Synchronization Input
    • Resistor-Programmable Frequency Between 220kHz and 2.2MHz
  • Integration and Thermally Enhanced Packages Save Board Space and Cost
    • 2MHz Step-Down Controller
    • Current-Mode Controller with Forced-Continuous and Skip Modes
    • 16-Pin Side-Wettable (SW) TQFN-EP Package
    • 20A Reference Design Available
  • Protection Features Improve System Reliability
    • Supply Undervoltage Lockout
    • Overtemperature and Short-Circuit Protection
    • Output Overvoltage and Undervoltage Monitoring
    • -40°C to +125°C Grade 1 Automotive Temperature Range
    • AEC-Q100 Qualified
MAX20098
Versatile Automotive 36V 2.2MHz Buck Controller with 3.5µA IQ
MAX20098
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Documentation

Data Sheet 1

Technical Articles 1

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Hardware Ecosystem

Parts Product Life Cycle Description
Micropower Buck Regulators 1
MAX16932
PRODUCTION 2.2MHz, 36V, Dual Buck with 20µA Quiescent Current
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Tools & Simulations

EE-Sim Power® Tools 1

The EE-Sim DC-DC Converter Tool uses your requirements to quickly create a complete power design including a schematic, BOM with commercially available parts, and time and frequency domain simulations. Your customized schematic can be downloaded for further analysis in the standalone EE-Sim OASIS Simulator, featuring SIMPLIS and SIMetrix SPICE engines.

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SIMPLIS Models 1

Evaluation Kits

eval board
schematic 1
MAX20098EVKIT

Evaluation Kit for the MAX20098

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Features and Benefits

  • 3.5V to 36V Input Supply Range
  • Output Voltage: 5V or 3.3V Fixed, or Adjustable from 1V Up to 10V
  • Delivers Up to 20A Output Current
  • Frequency-Synchronization Input
  • Enable Input
  • Voltage-Monitoring PGOOD Output
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX20098 evaluation kit (EV kit) provides a proven design to evaluate the MAX20098 automotive 2.2MHz synchronous step-down controller with 3.5µA IQ. The EV kit PCB comes with a MAX20098ATEA/VY+ installed, as well as various test points and jumpers for evaluation. The EV kit output voltage is fixed and is easily configured with minimum component changes. The default EV kit is designed to deliver up to 7A with input voltages from 3.5V to 36V, but can be configured to deliver up to 20A. Output-voltage quality can be monitored by observing the PGOOD signal.

Applications

  • General-Purpose Point-of-Load (POL)
  • Infotainment Systems
  • USB Hub
MAX20098EVKIT
Evaluation Kit for the MAX20098
MAX20098

Reference Designs

MAXREFDES1269
MAXREFDES1269
MAXREFDES1269 Circuits from the lab

5V/20A, Synchronous Step-Down Converter Using the MAX20098

View Detailed Reference Design

Features and Benefits

  • Efficiency = 88% at Full Load
  • Output-Voltage Ripple < 50mV across Line and Load Conditions
  • Overshoot < 150mV for 50% Load Step
  • Continuous Conduction Mode (CCM) Operation
  • Internal Soft-Start
  • Overall Solution Size = 572mm2
MAXREFDES1269
5V/20A, Synchronous Step-Down Converter Using the MAX20098
MAXREFDES1269

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