概览
描述
The ISL8107 is a single phase, non-synchronous buck controller with an integrated high-side MOSFET driver. The controller operates from 9V to 75V input voltage range. The internal 1.192V reference voltage has a tolerance of ±1% over the industrial temperature range. The ISL8107 employs voltage-mode control with feedforward compensation to provide optimal transient response and a constant loop gain over a wide input voltage range. The switching frequency can be programmed from 100kHz to 600kHz by external resistor and capacitor. The switching frequency can be synchronized to an external clock signal through the SYNC pin. The ISL8107 features programmable soft-start, hiccup mode for short circuit protection, and over-temperature protection. The overcurrent protection is implemented using MOSFET's rDS(ON) sensing. This approach simplifies the implementation without deteriorating the converter efficiency.
特性
- Operates from +9V to +75V Bias Supply Voltage
- +1.192V Internal Voltage Reference
- ±1% tolerance Over the Industrial Temperature Range
- Programmable Switching Frequency 100kHz to 600kHz
- Simple Single-Loop Voltage Mode Control
- Voltage Feedforward Compensation
- Switching Frequency Synchronization
- Lossless, Programmable Overcurrent Protection
- Uses MOSFET's rDS(ON)
- Hiccup Mode
- Integrated N-Channel MOSFET Gate Drivers
- Programmable Soft-Start
- Over-Temperature Protection
- QFN (5x5) Package
- QFN Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat No Leads - Product Outline
- QFN Near Chip Scale Package Footprint; Improves PCB Efficiency, Thinner in Profile
- Pb-Free (RoHS Compliant)
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| 类型 | 文档标题 | 日期 |
| 数据手册 | PDF 1011 KB | |
| EOL 通告 | PDF 603 KB | |
| 产品变更通告 | PDF 225 KB | |
| 应用说明 | PDF 509 KB | |
| 应用说明 | PDF 397 KB | |
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Simulator | 瑞萨电子 |
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开发板与套件
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Single-Phase PWM Controller with Wide VIN Range Evaluation Board
The ISL8107EVAL2Z evaluation board is used to evaluate the performance of the ISL8107 pulse width modulation (PWM) controller.
The ISL8107 is a single-phase, non-synchronous buck controller with an integrated high-side MOSFET driver. The controller operates from an input voltage range of 9V...
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