深圳市中立信电子科技有限公司

ISL98607EIAZ-T

开关稳压器 High Eff. Power Supply for Displays

High Efficiency Power Supply for Small Size Displays

The ISL98607EIAZ-T ISL98607 is a high efficiency power supply for small size  displays, like smart phones, requiring ±supply rails. It  integrates boost regulator, LDO, and inverting charge pump  that are used to generate two output rails: +5V (default) and  -5V (default). The ±5V output voltages can be adjusted up to  ±5.7V with 50mV steps using the I2C interface.

The device integrates synchronous rectification MOSFETs for  the boost regulator and inverting charge pump, which  maximizes conversion efficiency.

Features ISL98607EIAZ-T

• Two outputs:

- VP = +5.0V (default)

- VN = -5.0V (default)

• 2.8V to 4.4V Input voltage range

• >85.5% Efficiency with 12mA load between VP and VN

• 21mm2 Solution PCB area

• Fully integrated FETs for synchronous rectification

• Integrated compensation and feedback circuits

• I2C adjustable output voltages and settings

• Integrated VP/VN discharge resistors

• 1μA shutdown supply current

• 1.82x2.15mm, 4x5 array WLCSP with 0.4mm pitch

• Pb-Free (RoHS compliant)

Applications ISL98607EIAZ-T

• TFT-LCD Smart phone displays

• Small size/handheld displays