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MAX16820

Maxim Integrated Products
Part Number MAX16820
Manufacturer Maxim Integrated Products
Description 2MHz High-Brightness LED Drivers
Published Feb 15, 2007
Detailed Description MAX16819/MAX16820 EVALUATION KIT AVAILABLE 2MHz High-Brightness LED Drivers with High-Side Current Sense and 5000:1 Dim...
Datasheet PDF File MAX16820 PDF File

MAX16820
MAX16820

Overview
MAX16819/MAX16820 EVALUATION KIT AVAILABLE 2MHz High-Brightness LED Drivers with High-Side Current Sense and 5000:1 Dimming General Description The MAX16819/MAX16820, step-down constantcurrent high-brightness LED (HB LED) drivers provide a cost-effective solution for architectural and ambient lighting, LED bulbs such as MR16 and other LED illumination applications.
The MAX16819/MAX16820 operate from a 4.
5V to 28V input voltage range and feature a 5V/10mA on-board regulator.
A high-side current-sense resistor adjusts the output current and a dedicated PWM input (DIM) enables a wide range of pulsed dimming.
The MAX16819/MAX16820 are well suited for applications requiring a wide input voltage range.
The high-side current-sensing and an integrated current-setting circuitry minimize the number of external components while delivering an LED current with ±5% accuracy.
A hysteretic control algorithm ensures excellent input-supply rejection and fast response during load transients and PWM di...


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