PT4508N

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DC DC converters are used in a variety of industries to power electrical devices through an alternating current or direct current power source. The PT4508N is a high-efficiency, single-output DC DC converter which can convert any voltage from 1 to 48 Vdc into an isolated and regulated output voltage of 1.8, 2.5, 3.3, 5, 12, 24 or 28 Vdc.

The PT4508N is suitable for a wide range of applications, including automotive, outdoor and industrial applications. It is designed to be a reliable, cost effective, and hassle free solution for powering sensitive electronics.

The PT4508N features a unique switching topology that enables it to achieve a maximum efficiency of 88%, allowing the converter to maintain reliable power levels while using less energy and generating less heat. The converter also has a wide temperature range of -40°C to 105°C and is protected from reverse polarity, over-temperature, over-current and short circuit faults.

The PT4508N’s control circuit is based on a Synchronous PFM (SPFM) controller IC which combines a Pulse Frequency Modulation (PFM) switching mode with a synchronous rectifier to achieve high-efficiency operation. The device operates in a cycle-by-cycle current-limit mode controlled by the PFM switching mode for maximum efficiency. The built-in Over Current Protection (OCP) detects and limits the output current in case of overload. The other two features are the Overvoltage Protection (OVP) and the Short Circuit Protection (SCP).

The PT4508N offers a wide input voltage range, up to 48V and a maximum output power of 540W with all legs connected for a single output. It is designed to meet the EMI requirements of EN55022 Class A and provides isolation of up to 4000V between the input and output. The PT4508N also features a low standby current of less than 1uA to conserve power and a safety shutdown of the output voltage if an overload is detected.

In conclusion, the PT4508N is a versatile DC-DC converter that is well suited for a wide range of applications. Its features make it ideal for powering sensitive electronics in automotive, outdoor, and industrial equipment. Its high efficiency and safety features make it an ideal choice for powering a variety of devices and equipment.

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