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Home » NEWEST Products » New by Manufacturer » Maxim Integrated » Maxim Integrated MAX16833 High Voltage HB LED Drivers
NEWEST Products

Maxim Integrated MAX16833 High Voltage
HB LED Drivers

Maxim Integrated's MAXMAX16833 high voltage HB LED drivers, with an integrated high-side current sense amplifier, provide extremely fast PWM current switching to the LEDs with no transient overvoltage or undervoltage conditions. Maxim Integrated MAX16833 HB LED drivers provide analog dimming using a DC input at ICTRL. These LED driver ICs sense the LED current at the high side of the LED string. The MAX16833 features a +5V to +65V wide input voltage range with 65V max boost output. The high-side current sensing combined with a p-channel dimming MOSFET allows the positive terminal of the LED string to be shorted to the positive input terminal or negative input terminal without any damage. The MAX16833 is ideal for automotive exterior lighting as well as a variety of commercial, industrial, and architectural lighting applications.

Features
  • Boost, SEPIC, and Buck-Boost Single-Channel LED Drivers
  • +5V to +65V Wide Input Voltage Range with a 65V Max Boost Output
  • Integrated High-Side Current-Sense Amplifier
  • ICTRL Pin for Analog Dimming
  • Integrated High-Side pMOS Dimming MOSFET Driver (Allows Single-Wire Connection to LEDs)
  • Programmable Operating Frequency (100kHz to 1MHz) with Synchronization Capability
  • Frequency Dithering for Spread-Spectrum Applications (MAX16833C / MAX16833E)
  • 2% Accurate 1.64V Reference (MAX16833B / MAX16833D)
  • Full-Scale, High-Side, Current-Sense Voltage of 200mV
  • Short-Circuit, Overvoltage, and Thermal Protection
  • Fault Indicator Output
  • -40ºC to +125ºC Operating Temperature Range
  • Thermally Enhanced 5mm x 4.4mm, 16-Pin TSSOP Package with Exposed Pad
Applications
  • Automotive Exterior Lighting: High-Beam/Low-Beam/Signal/Position Lights, Daytime Running Lights (DRLs), Fog Light and Adaptive Front Light Assemblies
  • Commercial, Industrial, and Architectural Lighting
Operating Circuit
  • Maxim Integrated
  • Optoelectronics|Displays|Drivers|LEDs|Semiconductors|Integrated Circuits