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MP4601 12V White LED Driver For Large Size TV Backlighting TSSOP16
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pMPS MP4601 — White LED Driver For Large Size TV Backlighting, 12V input, TSSOP16./p
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MP4601 12V White LED Driver For Large Size TV Backlighting TSSOP16
The MPS MP4601 is a White LED Driver For Large Size TV Backlighting. It accepts up to 12 V at the input. It is supplied in a TSSOP16 package.
Key Specifications
| Part Number | MP4601 |
| Function | White LED Driver For Large Size TV Backlighting |
| Input Voltage | up to 12 V |
| Quiescent Current | 850 µA |
| Interface | PWM |
| Peak Efficiency | 99.5% |
| Package | TSSOP16 |
| Lifecycle | NRFND |
| Ordering Codes | MP4601 |
Features
- Novel Power Leverage Control Technology
- Unique Step-up/down Operation
- Up to 99.5% Efficiency
- 0.5Ω Internal Power MOSFET Switch
- Switching Frequency Synchronization
- Over 1:1000 Dimming Ratio
- Analog and PWM Dimming
- ±5% 200mV Reference Voltage
- 850µA Quiescent Current
- 10µA Shutdown Mode
Typical Application Circuit
Applications
- TV Backlighting
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 MP4601 support?
Up to 12 V.
Which package and ordering codes apply to the MP4601?
TSSOP16; order codes include MP4601.
What are the defining features of the MP4601?
Novel Power Leverage Control Technology Unique Step-up/down Operation
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