LMZ34002RKGR

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DC DC Converters are electrical power conversion devices that transform direct current (DC) voltage from one level to another. The LMZ34002RKGR is a compact, single-channel, synchronous buck converters. It offers power solutions for both high efficiency and light load applications.

Application Field
The LMZ34002RKGR is suitable for many different applications. It provides a robust, integrated solution for systems that require high-efficiency conversion from 4.5 V to 1.8 V at up to 30 A of load current. It is especially suitable for those high power to low voltage DC/DC converters. The applications can be various, from network switches, routers, storage systems to consumer electronics applications like high-end notebooks with powerful components.

Working Principle
The operating principle of the LMZ34002RKGR is based on buck converter. A buck converter is a type of DC to DC converter that works by converting the input voltage to a lowered output voltage through the use of a switching transistor, transformer or inductor and diode. When the transistor is conducting current, the voltage is stepped down by the transformer. When the transistor is off, diode will be in the forward blocking state, so the output voltage is maintained at a set level.The LMZ34002RKGR has an integrated high-side N-channel MOSFET switch and requires a minimum of external components. It also features a high-accuracy internal voltage reference, over current protection and thermal shutdown.

It adopts the Pulse Width Modulation (PWM) control method to convert power. In PWM control, the voltage is pulsed on and off at very high frequency. The pulse width can be varied from 0% - 100%, controlling the average output voltage. It uses a very strong FET driver design, and offers programmable soft-start, output voltage tracking, and adjustable loop compensation.

The LMZ34002RKGR is well suited for applications requiring high efficiency data center solutions with advanced power management, including input voltage range from 4.5 V to 14 V. Its built-in advanced features can provide system protection from over-current, over-voltage, and short circuit. It also has a complementary output current limit, over-temperature protection, second-order loop Compensation, and a wide -40°C to +85°C ambient temperature.

In summary, the LMZ34002RKGR is a high performance DC/DC converter designed for high efficiency data center solutions. It provides excellent power performance and robust protection features. It is ideal for a wide range of applications including network switches, routers, storage systems, and consumer electronics.

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