RT4801H Datasheet | Richtek

Description 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 100m V steps by I2C interface protocols. With its input voltage range of 2.5V to 5.5V, the RT4801H is optimized for products powered by single-cell batteries and symmetrical output currents up to 80m A. The RT4801H is available in the WL-CSP-15B 1.31x2.07 (BSC) package. The remended junction temperature range is - 40C to 125C, and the ambient temperature range is - 40C to 85C. Ordering Information RT4801H Package Type WSC : WL-CSP-15B 1.31x2.07 (BSC) Note: Richtek products are Richtek Green Policy pliant and patible with the current requirements of IPC/JEDEC J-STD-020. Features - 2.5V to 5.5V Supply Voltage Range - Up to 90% Efficiency with Small Magnetics - Support Up to 80m A 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 patible Interface - Available in the 15-Ball WL-CSP Package Applications - TFT-LCD Smartphones - TFT-LCD Tablets - General Dual Power Supply Applications Simplified Application Circuit L1 RT4801H...