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MAXIM MAX16820ATT+TRoHS

Manufacturer
MAXIM
MPN
MAX16820ATT+T
LCSC Part #
C2678567
Packaging
TDFN-6-EP(3x3)
Customer #
Key Attributes
2MHz High-Brightness LED Drivers with High-Side Current Sense and 5000:1 Dimming
Datasheetpdf iconMAXIM MAX16820ATT+T
In-Stock: 39
39 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 3.9524$ 3.95
10+$ 3.4112$ 34.11
30+$ 3.0895$ 92.69
100+$ 2.7644$ 276.44
500+$ 2.6133$ 1306.65
1,000+$ 2.5467$ 2546.70
Standard Packaging2500/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/LED Drivers ICs
ManufacturerMAXIM
PackagingTDFN-6-EP(3x3)
Features-
Frequency - Switching2MHz
Switch Tube (Built-In/External)External
Operating temperature-40℃~+125℃
TopologyBuck
Number of Channels1
TypeDC-DC
Output Current500mA
Constant Current Accuracy5%
Voltage - Input(DC)4.5V~28V
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2500
Sales UnitPiece

Introduction

AI Translation

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 dimming. The MAX16819 features a 30% inductor current ripple and the MAX16820 features a 10% current ripple. These devices operate up to 2MHz switching frequency, thus allowing for small component size. The MAX16819/MAX16820 operate over the -40℃ to +125℃ automotive temperature range and are available in 3mmx3mmx0.8mm, 6-pin TDFN packages.

Features

AI Translation
  • 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

Applications

AI Translation
  • Architectural, Industrial, and Ambient Lighting
  • MR16 and Other LED Bulbs
  • Indicators and Emergency Lighting