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MP3307 2.7-5.5V White LED Driver TSOT23
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pMPS MP3307 — White LED Driver, 2.7-5.5V input, TSOT23./p
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MP3307 2.7-5.5V White LED Driver TSOT23
The MPS MP3307 is a White LED Driver. It operates from a 2.7 V to 5.5 V input. It is supplied in a TSOT23 package.
The MP3307 is a non-synchronous WLED step- up driver with a 2.7V to 5.5V input range.
Key Specifications
| Part Number | MP3307 |
| Function | White LED Driver |
| Input Voltage | 2.7 V to 5.5 V |
| Interface | PWM |
| Package | TSOT23 |
| Ordering Codes | MP3307 |
Features
- 2.7V to 5.5V Input Voltage
- Analog Dimming with >20kHz Input Signal
- Direct PWM Dimming Mode with 100Hz to 2kHz Input Signal
- Up to 2.2MHz Programmable Switching Frequency
- Low 200mV Feedback Voltage with ±1% Accuracy at Room Temperature
- 24V Open-Load Protection Threshold
- UVLO and Thermal Shutdown
- Cycle-by-Cycle Over-Current Protection
- Available in a TSOT23-8 Package
Typical Application Circuit
Applications
- Video Displays
- In-Car LCD Infotainment
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 MP3307 support?
2.7 V to 5.5 V.
Which package and ordering codes apply to the MP3307?
TSOT23; order codes include MP3307.
What are the defining features of the MP3307?
2.7V to 5.5V Input Voltage Analog Dimming with >20kHz Input Signal
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