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MAX8848Y - High-Performance Negative Charge Pump for 7 White LEDs

General Description

The MAX8848Y/MAX8848Z negative charge pumps drive up to 7 white LEDs with regulated constant current for display backlight applications.

Key Features

  • MAX8848Y/MAX8848Z Typical Operating Circuit 1µF 1µF.

📥 Download Datasheet

More Datasheets from Maxim Integrated (now Analog Devices)

Part Number Description
MAX8848Z High-Performance Negative Charge Pump for 7 White LEDs
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MAX8845X 28V Linear Li+ Battery Chargers
MAX8845Y 28V Linear Li+ Battery Chargers
MAX8845Z 28V Linear Li+ Battery Chargers

Full PDF Text Transcription for MAX8848Y (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for MAX8848Y. For precise diagrams, tables, and layout, please refer to the original PDF.

View original datasheet text
19-5233; Rev 0; 4/10 www.DataSheet4U.com TION KIT EVALUA BLE A IL A V A High-Performance Negative Charge Pump for 7 White LEDs in 3mm x 3mm Thin QFN General Description The MAX8848Y/MAX8848Z negative charge pumps drive up to 7 white LEDs with regulated constant current for display backlight applications. By utilizing an inverting charge pump and extremely low-dropout adaptive current regulators, these ICs achieve very high efficiency over the full 1-cell Li+ battery voltage range even with large LED forward voltage mismatch. The 1MHz fixedfrequency switching allows for tiny external components. The regulation scheme is optimized to ensure low EMI and low input ripple. The MAX8848Y/MAX8848Z include thermal shutdown, open- and short-circuit protection.