L7986TA

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The L7986TA is a high performance, high efficiency, compact, low-cost switching regulator that belongs to the PMIC – Voltage Regulators – DC DC Switching Regulators group. It is specifically designed for use in portable electronic applications, and is capable of generating a regulated output voltage from a wide input voltage range. The device is optimized for high efficiency, and provides several operating modes, among other features.

The L7986TA is capable of driving 3.1 A of output current and can supply up to 12 W of output power. The device integrates two internal power switches, a power control circuit and a supervision circuit, allowing for robust, low-noise operation. This device is built using advanced CMOS technology and is available in four different packages.

The main features of the L7986TA are: input voltage range from 4.5 V-25 V, output voltage adjustable between 0.6 V-5 V with ±2% accuracy, high frequency synchronous rectification, and pulse frequency modulation (PFM) control. The PFM control allows the device to operate in low-power standby mode with minimal output ripple.

In terms of application fields, the L7986TA offers a flexible solution for a wide variety of applications including mobile phones, portable computers, handheld medical instruments, gaming consoles, point-of-sale terminals, and network routers. Additionally, this switching regulator is also used for automotive applications such as backlighting systems and engine control units.

In addition to the device’s application areas, the L7986TA is also highly appreciated for its reliable operating principle. The regulator works with a PFM/bi-CMOS control scheme, which is able to precisely regulate output by combining PFM mode and bi-CMOS control. The internal power switches allow the regulator to achieve an exceptionally high efficiency of up to 95%.

The L7986TA also provides a number of protection features. These include over-current protection, output under-voltage protection, thermal protection, and short-circuit protection. The device is also protected against reverse polarity and can operate in temperatures ranging from -20°C to +80°C.

Overall, the L7986TA is an ideal choice for a wide array of portable electronic devices. Its advanced PFM/bi-CMOS control scheme enables a high efficiency of up to 95%, while its wide input voltage range and various protection features make it suitable for a variety of applications. Furthermore, the integrated power switches, rugged operating principle, and flexible packages make this device an attractive choice for a number of different applications.

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