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MP4652 9-30V HIGH PERFORMANCE OFF-LINE TV LED DRIVER SOIC
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pMPS MP4652 — HIGH PERFORMANCE OFF-LINE TV LED DRIVER, 9-30V input, SOIC./p
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MP4652 9-30V HIGH PERFORMANCE OFF-LINE TV LED DRIVER SOIC
The MPS MP4652 is a HIGH PERFORMANCE OFF-LINE TV LED DRIVER. It operates from a 9 V to 30 V input. It is supplied in a SOIC package.
The MP4652 is a high-performance, off-line LED driver designed to power LEDs for high- power isolated applications, such as LCD TV backlighting.
Key Specifications
| Part Number | MP4652 |
| Function | HIGH PERFORMANCE OFF-LINE TV LED DRIVER |
| Input Voltage | 9 V to 30 V |
| Interface | PWM |
| Package | SOIC |
| Ordering Codes | MP4652 |
Features
- LLC, Half Bridge or Flyback Controller
- Fast and Continuous PWM Dimming with Audible Noise Elimination
- 1000:1 PWM Dimming Ratio
- Input Voltage Range from 9V to 30V
- 9V Enhanced Gate Driver
- Fixed or Externally Programmable Operating Frequency
- DC or PWM Input Dimming Control
- DC Input PWM Dimming Frequency Synchronization
- Smart Fault Protection Interface
- Open and Short LED String Protection
Typical Application Circuit
Applications
- Flat-Panel Video Displays
Design Notes
- Channel-to-channel current matching sets backlight uniformity; check the matching spec at the current you will actually run.
- In boost topologies the OVP threshold must clear the worst-case forward voltage of the longest string, including temperature and binning spread.
- Keep PWM dimming above 200 Hz to stay clear of visible flicker, and away from the audio band if the product has a speaker.
- Size the inductor and output capacitor for the string current ripple, not the total LED current.
Common Questions
What input voltage does the MP4652 support?
9 V to 30 V.
Which package and ordering codes apply to the MP4652?
SOIC; order codes include MP4652.
What are the defining features of the MP4652?
LLC, Half Bridge or Flyback Controller Fast and Continuous PWM Dimming with Audible Noise Elimination
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