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MAX31840ATA+

LED驱动器, 1输出, 升压, 6.5V至26V输入, 700 kHz开关, 32V/1A输出, TDFN-8

MAXIM INTEGRATED PRODUCTS MAX31840ATA+

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制造商产品编号:
MAX31840ATA+
库存编号
2777858
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产品信息

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:
升压 (升压)

:
6.5V

:
26V

:
32V

:
1A

:
700kHz

:
1输出

:
表面安装

:
TDFN

:
8引脚

:
-40°C

:
125°C

:
-

:
-

:
MSL 1 -无限制
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技术文档 (1)

产品概述

The MAX31840ATA+ from Maxim Integrated Products is a MR16 LED driver with integrated control MOSFET and deep dimming in 8 pin TDFN-EP package. It is an LED driver IC for dimmable 12V MR16 as well as AR111 and other 12V lighting applications. It minimizes BOM count, cost and board space by integrating a number of value added functions such as deep dimming, bleeder control, constant brightness control and boost FET while significantly improving electronic transformer compatibility with standard trailing edge dimmers. It is a high end MR16 LED driver that incorporates a proprietary circuit that enables deep dimming down to 1%, an improvement over others that only dim down to 10% or 20%. An integrated bleeder and constant brightness controller enables MAX31840 to shine, flicker free with a broad range of electronic transformers. An optimized compensation circuit and boost FET are integrated to further reduce BOM and board space, simplifying design and saving cost.
  • High integration saves PCB space and BOM costs
  • 36V boost N-channel DMOS FET, bleeder FET control, flickering < 30%, > 0.9 power factor
  • Deep dimming control, constant brightness control, internal compensation
  • LED overvoltage protection, overcurrent and overtemperature protection
  • High performance for new LED dimming requirements
  • 700KHz switching frequency, meets California title 24 part 6 JA8
  • Designed for boost architecture to address 35W and higher wattage MR16 LED replacement bulbs
  • Tight LED current regulation of 2% typical and dimming to less than 1% brightness depending on LEDs
  • 6.5V to 26V operating voltage range, 1mA IN supply current (when MOSFET fully on, VCS = 0)
  • Operating temperature range from -40°C to +125°C
  • 12V MR16 GU5.3 LED Bulb; Other 12V LED bulbs (MR11, AR111, 12V Track Lighting)

应用

电源管理, 发光二极管照明

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