MAX16819

PRODUCTION

2MHz High-Brightness LED Drivers with High-Side Current Sense and 5000:1 Dimming

High-Brightness Step-Down LED Driver Controllers with High-Side Current-Sensing and Rapid Current-Pulsing Capability

Data Sheet (Rev. 4) Product Selection Table
Part Models
2
1ku List Price
Starting From $1.19
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Part Details

  • Simple High-Power LED Lighting Design with Accurate LED Current Control
    • Over 25W Output Power
    • High-Side Current Sense
    • Adjustable Constant LED Current
    • ±5% LED Current Accuracy
    • 4.5V to 28V Input Voltage Range
  • Wide Dimming Range (5000:1)
    • Dedicated Dimming-Control Input
    • 20kHz Maximum Dimming Frequency
  • Minimizes Number of Components to Save Space and Cost
    • Hysteretic Control: No Compensation
    • Up to 2MHz Switching Frequency
    • 5V, 10mA On-Board Regulator
MAX16819
2MHz High-Brightness LED Drivers with High-Side Current Sense and 5000:1 Dimming
MAX16819, MAX16820: Typical Operating Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 4

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Evaluation Kits

MAX16820EVKIT

MAX16820 Evaluation Kit

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Features and Benefits

  • Operates from a 5V to 28V, 1.5A Supply
  • Constant LED Current Control
  • 1A Average LED Current
  • PWM Dimming Control Up to 20kHz
  • Fully Assembled and Tested

Product Details

The MAX16820 evaluation kit (EV kit) demonstrates a step-down, constant-current, hysteretic controlled switching regulator for driving high-brightness LEDs (HB LEDs) using the MAX16820 controller IC. This EV kit is configured to supply an average output LED current of 1A, and operates from a 5V to 28V supply.

The EV kit eases evaluation of the MAX16820 dedicated pulse-width-modulation (PWM) dimming control and undervoltage lockout (UVLO) features.

The MAX16820 EV kit comes with the MAX16820 installed. The MAX16820 EV kit can also be used to evaluate the MAX16819. Contact the factory for free samples of the pin-compatible MAX16819 to evaluate this part.

Applications

  • Architectural, Industrial, and Ambient Lighting
  • Automotive RCL, DRL, and Fog Lights
  • Heads-Up Display
  • Indicators and Emergency Lighting
MAX16820EVKIT
MAX16820 Evaluation Kit

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