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RT4801H

 2016-01-27

【產品特性】

Dual Output LCD Bias for Smartphones and Tablets
• 2.5V to 5.5V Supply Voltage Range
• Up to 90% Efficiency with Small Magnetics
• Support Up to 80mA Output Current
• Low 1A Shutdown Current
• Internal Soft-start Function
• Short Circuit Protection Function
• Over-Voltage Protection Function
• Over-Current Protection Function
• Over-Temperature Protection Function
• Elastic Positive and Negative Voltage On/Off Control by ENP/ENN
• Voltage Output from 4V to 6V per 0.1V
• Low Input Noise and EMI
• Output with Programmable Fast Discharge when IC Shutdown
• Adjustable Output Voltage by I2C Compatible Interface
• Available in the 15-Ball WL-CSP Package

【產品應用】

• TFT-LCD Smartphones
• TFT-LCD Tablets
• General Dual Power Supply Applications

【文字介紹】

The RT4801H is a highly integrated Boost and LDO and inverting charge pump to generate positive and negative output voltage. The output voltages can be
adjusted from 4V to 6V with 100mV steps by I2C interface protocols. With its input voltage range of 2.5V to 5.5V, RT4801H is optimized for products powered by single-cell batteries and symmetrical output currents up to 80mA. The RT4801H is available in the WL-CSP-15B 1.31x2.07 (BSC) package.