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MAX4970, MAX4971, MAX4972 - Industry's Smallest Overvoltage Protectors with Negative Polarity Protection
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产品概述：
- The MAX4970/MAX4971/MAX4972 are overvoltage protectors (OVPs) that integrate an ultra-low, 40mΩ (typ) on-resistance FET in a tiny, 2mm x 1.5mm package.
- These OVPs protect low-voltage systems against voltage faults up to 28V, while their very-low RON minimizes voltage dropout.
- Customers can select from three popular overvoltage thresholds: 4.65V, 5.8V, and 6.35V.
- The MAX4970/MAX4971/MAX4972 are ideal for media players, cell phones, PDAs, digital cameras, and other portable applications requiring accurate overvoltage protection.
For enhanced protection, these devices can drive an optional, external pFET to protect against reverse-polarity voltages. Additionally, bypassing IN with a 1µF capacitor to ground provides input protection up to ±15kV ESD (Human Body Model).
The overvoltage thresholds are preset to 4.65V (MAX4972), 5.8V (MAX4970), or 6.35V (MAX4971). Each OVP is packaged in a small, 12-ball WLP that operates over the -40°C to +85°C extended temperature range.
Maxim Integrated Products is a publicly traded company that designs, manufactures, and sells over $2 billion of high-performance semiconductor products annually. It was founded over 25 years ago with the mission to deliver innovative analog and mixed-signal engineering solutions that add value to its customers' products. To date, Maxim has developed over 5700 products serving the industrial, communications, consumer, and computing markets. For more information, go to www.maxim-ic.com.
