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MPQ3386-AEC1 4.5-25V String White LED Driver AEC-Q100 Qualified QFN24
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pMPS MPQ3386-AEC1 — String White LED Driver AEC-Q100 Qualified, 4.5-25V input, QFN24, AEC-Q100./p
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MPQ3386-AEC1 4.5-25V String White LED Driver AEC-Q100 Qualified QFN24
The MPS MPQ3386-AEC1 is a String White LED Driver AEC-Q100 Qualified. It operates from a 4.5 V to 25 V input. It is supplied in a QFN24 package. The part is AEC-Q100 qualified.
The MPQ3386 is a step-up converter with 6- channel current sources designed for driving the white LED arrays for large size LCD panel backlighting applications.
Key Specifications
| Part Number | MPQ3386-AEC1 |
| Function | String White LED Driver AEC-Q100 Qualified |
| Input Voltage | 4.5 V to 25 V |
| Interface | PWM |
| Package | QFN24 |
| Qualification | AEC-Q100 |
| Ordering Codes | MPQ3386-AEC1 |
Features
- Guaranteed Industrial/Automotive Temp Range Limits
- 4.5V to 25V Input Voltage Range
- 50V Maximum Step-up Voltage
- Balanced Driver for 6 Strings of WLED
- 3% Current Matching Accuracy Between Strings
- Selectable Switching Frequency: 1.25MHz or 625kHz
- PWM or DC Input Burst PWM Dimming
- Programmable Over-voltage Protection Threshold
- Under Voltage Lockout
- Open and Short LED Protection
Typical Application Circuit
Applications
- Notebook & Netbook PC
- Small LCD TV
- Portable Terminals Display
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 MPQ3386-AEC1 support?
4.5 V to 25 V.
Which package and ordering codes apply to the MPQ3386-AEC1?
QFN24; order codes include MPQ3386-AEC1.
What are the defining features of the MPQ3386-AEC1?
Guaranteed Industrial/Automotive Temp Range Limits 4.5V to 25V Input Voltage Range
Is the MPQ3386-AEC1 qualified for automotive designs?
Yes — it is AEC-Q100 qualified. Confirm the grade against the qualification summary in the datasheet before specifying it on a safety-related rail.
Shenzhen Gaorunxin Technology Co., Ltd
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