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MAX1739EEP+ The Maxim Integrated MAX1739EEP+ is a CCFL backlight controller designed for high efficiency and wide dimming range. It operates over a wide input voltage range and features protection against fault conditions.
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MAX1739EEP+

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The Maxim Integrated MAX1739EEP+ is a CCFL backlight controller designed for high efficiency and wide dimming range. It operates over a wide input voltage range and features protection against fault conditions.
✓ Total Stock: 50 pcs

MAX1739EEP+ Available from 1 distributor

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✓ Non-Authorised
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Husky International Electronic ✓
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50 pcs
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50 pcs On Request 1 On Request On Request N/A On Request On Request
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MAX1739EEP+ Specifications Quick View

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MAX1739EEP+ Description

Short technical summary and product information.

The MAX1739EEP+ from Maxim Integrated is a fully integrated controller optimized for driving cold-cathode fluorescent lamps (CCFLs) using a Royer oscillator inverter architecture. This design ensures near sinusoidal drive waveforms, maximizing CCFL lifespan. The controller operates over a wide input voltage range of 4.6V to 28V and achieves a high power-to-light efficiency.

 

It provides a significant 50:1 dimming range by adjusting lamp current and using a digitally adjusted pulse-width modulated (DPWM) method. Brightness can be controlled via an analog voltage or an SMBus-compatible interface. The MAX1739EEP+ includes protection features such as lamp-out and buck short fault protection, minimizing voltage stress on the transformer and increasing its operating life.

 

Designed for applications like notebook computers, car navigation displays, and LCD monitors, the MAX1739EEP+ is available in a space-saving 20-pin QSOP package. It operates reliably within a temperature range of -40°C to +85°C.

MAX1739EEP+ Quick Information

Product Type: CCFL Backlight Controller
Series: MAX1739
Canonical Name: MAX1739EEP+ CCFL Backlight Controller
Subcategory: Power Management ICs

MAX1739EEP+ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MAX1739EEP+ Features

  • Drives CCFLs with Royer oscillator architecture.
  • Wide input voltage range from 4.6V to 28V.
  • Achieves 50:1 dimming range.
  • Includes lamp-out and short fault protection.
  • Operates from -40°C to +85°C.

MAX1739EEP+ Applications

  • Suitable for notebook computer displays.
  • Used in car navigation displays.
  • Ideal for LCD monitor backlighting.
  • Applicable to point-of-sale terminals.
  • Powers portable display electronics.

MAX1739EEP+ FAQs

4 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the MAX1739EEP+?

The input voltage range is 4.6V to 28V.

What is the dimming range of the MAX1739EEP+ controller?

The controller achieves a 50:1 dimming range.

What is the operating temperature range for the MAX1739EEP+?

The operating temperature range is -40°C to +85°C.

What package type is the MAX1739EEP+ available in?

The MAX1739EEP+ is available in a 20-pin QSOP package.

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