MAX25208

PRODUCTION

Versatile Automotive 60V/70V 2.2MHz Buck Controller with 7µA IQ and Optional Bypass Mode

Industry's Lowest 60V/70V IQ Automotive Synchronous Step-Down Controller Uses Only 7µA of Quiescent Current

Data Sheet (Rev. 2)
Product Selection Table
Part Models
2
1ku List Price
Starting From $2.93
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Part Details

  • Meets Stringent Automotive OEM Module Power Consumption and Performance Specifications
    • 7µA Quiescent Current in Skip Mode
    • Fixed 5.0V/3.3V or Adjustable 0.7V to 20V Output
    • ±1.5% Output-Voltage Accuracy for 5V Fixed Setting
  • Enables Crank-Ready Designs
    • Wide Input Supply Range from 3.5V to 60V/70V
  • EMI Reduction Features Reduce Interference with Sensitive Radio Bands without Sacrificing Wide Input Voltage Range
    • 50ns (typ) Minimum On-Time Allows 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
    • 2.2MHz Step-Down Controller
    • 180° Out-of-Phase SYNCOUT Output for Synchronization
    • Current-Mode Controller with Forced-Continuous and Skip Modes
    • Thermally Enhanced 20-Pin Side-Wettable (SW) 4mm x 4mm TQFN-EP Package
  • Protection Features Improve System Reliability
    • Supply Undervoltage Lockout
    • Output Overvoltage and Undervoltage Monitoring
    • Overtemperature and Short-Circuit Protection
    • -40°C to +125°C Grade 1 Automotive Temperature Range
MAX25208
Versatile Automotive 60V/70V 2.2MHz Buck Controller with 7µA IQ and Optional Bypass Mode
MAX25206, MAX25207, MAX25208: Typical Application Circuit
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Documentation

Data Sheet 1

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Tools & Simulations

EE-Sim Power® Tools 1

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Evaluation Kits

MAX25207EVKIT

Evaluation Kit for the MAX25207

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Features and Benefits

  • +3.5V to +60V Input Supply Range
  • Output Voltage: 14V in Buck Mode (Follows Input in Bypass Mode)
  • Output Current: 7A (Configurable to 20A)
  • Switching Frequency: 440kHz
  • Forced-PWM Mode of Operation
  • Spread-Spectrum Control
  • Enable Input
  • Voltage Monitoring PGOOD Output
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX25207 evaluation kit (EV kit) provides a proven design to evaluate the MAX25207 automotive 2.2MHz synchronous step-down controllers with bypass mode. The default EV kit delivers 7A with input voltages up to 60V, but it can be configured to deliver up to 20A. The output voltage quality can be monitored by observing the PGOOD signal.

Applications

  • 24V Truck systems, Infotainment Systems, 48V systems

MAX25206EVKIT

Evaluation Kit for the MAX25206/MAX25208

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Features and Benefits

  • +3.5V to +60V (MAX25206) and +70V (MAX25208) Input Supply Range
  • Output Voltage: 5V or 3.3V Fixed or Adjustable between 0.7V to 20V
  • Delivers up to 20A Output Current
  • Frequency Synchronization Input
  • Frequency Synchronization Output
  • Spread-Spectrum Control
  • Enable Input
  • Voltage-Monitoring PGOOD Output
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX25206 evaluation kit (EV kit) provides a proven design to evaluate the MAX25206/8 automotive 2.2MHz synchronous step-down controllers with 7µA IQ. The EV kit PCB comes with a MAX25206 IC 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 +60V (MAX25206) and +70V (MAX25208), but can be configured to deliver up to 20A. Output voltage quality can be monitored by observing the PGOOD signal.

Applications

  • 24V Truck systems, Infotainment Systems, 48V systems
MAX25207EVKIT
Evaluation Kit for the MAX25207
MAX25206EVKIT
Evaluation Kit for the MAX25206/MAX25208

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