INTERSIL launches ISL9305 and ISL9305H micro power management chip

Global High-performance Simulation Mixed Semiconductor Design and Manufacturing Leadership Intersil (Nasdaq Global Selected Market Trading Code: ISIL) announced today, launch two mini power management chips --- ISL9305 and ISL9305H, further expand its tariff Power management product family in the electronic market. The two chips of ISL9305 and ISL9305h provide multi-channel power output demand and supports flexible I2C interface programming, which is ideal for design requirements for consumer electronics. ISL9305 and ISL9305H use 4x4mm package, including two 800mA (ISL9305), 1500mA (ISL9305H) synchronous switch buck regulator and two 300mA low pressure difference (LDO) linear regulator, which reduces the total number of components and reduced The total cost of the product. By using a 3MHz PWM switching frequency, the system designer can select a smaller peripheral component to further reduce the space of the board. Both products use low output ripple and precision pressure regulation to adapt to requirements for noise-sensitive circuits such as audio and RF circuits. The above features can also help engineers reduce filtering design in the input and output of the regulator. To maximize efficiency and battery life, ISL9305 and ISL9305H operating modes can be programmed via the I2C interface. In applications where noise-sensitive applications, users can program these two regulators to work in mandatory PWM mode without considering load current. Users can also program their two DC / DC converters to support ultrasonic PFM operating modes to prevent it from issuing audible noises during operation. Function and specifications The ISL9305 and ISL9305H LDO input voltage range is 1.5V - 5.5V, and the power input of LDO can be from other inputs from the buck pressing regulator on the sheet. These two IC products subscribe to the factory preset LDO output voltage range of 0.9V - 3.6V (step 100mv). In addition, the user can also program the LDO voltage by the I2C interface to the LDO voltage programming, for 55 voltages (50 mV increments). Both switched step-down regulators support 112 step DC voltage programming, ranging from 0.825V - 3.6V, and 25 mV. In addition to mandatory PWM and ultrasonic PFM operating mode, the I2C interface also supports phase control between two switching regulators and active output discharge thereof. Pricing and supply ISL9305 and ISL9305H adopt 4x4mm 16-pin TQFN packages, with prices of $ 2.10 and $ 2.0, 1,000 Technology area Heilind won the title of "2017 Huaqiang Electronic Network Quality Supplier" Tas5634300W stereo PurePath (TM) HD digital input efficient power level TAS2557 5.7W D-class audio amplifier with H-class boost and speaker detection function Ruckus NetWorks appointed Deng Weidong for the general manager of China China Site Electronic Technology Forum - Power Technology Practice Seminar held in Wuhan