QSB60048S32

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DC DC converters are essential components in a wide variety of applications because they efficiently and accurately convert power from one voltage level to another voltage level. The QSB60048S32 DC-DC Converter is a synchronous buck Pre-Regulator offering a wide input voltage range, up to 36Vdc, and a output voltage range of 3.3V, 4.5V, 10V and 20V. It also features low ripple noise, short-circuit protection and pre-bias start-up capability.

The QSB60048S32 is suitable for most computer server applications, game consoles, power electronics, server processors and voltage regulator modules. Its wide input voltage range makes it well-suited for automotive, industrial and consumer applications. It also provides Synchronous rectification to achieve higher power conversion efficiency than traditional Schottky Diode rectification.

The working principle of the QSB60048S32 is based on Pulse Width Modulation (PWM). When AC power is applied to the input terminals, the circuit extracts the energy from the voltage applied and stores it in a filter capacitor. This capacitor then acts as a buffer between the input and output of the DC-DC converter. When the AC power is turned on, the Pulse Width Modulation takes place, meaning a short burst of current is supplied to the load. This process is then repeated and the duty cycle determines the amount of power supplied to the load.

The QSB60048s32 uses an open loop voltage mode control technique which senses the output voltage and adjusts the duty cycle of the PWM controller. This ensures the output voltage remains constant and enables the converter to operate with high accuracy. The converter also features a SyncFET which is a low gate charge N-channel MOSFET, designed to provide high current handling capability and low losses. Finally, the converter also includes a built-in soft start to prevent inrush current.

The QSB60048s32 is a highly efficient DC-DC converter with low noise and is suitable for a wide variety of applications. It features low ripple noise, short-circuit protection and pre-bias start-up capability. Additionally, with its wide input voltage range and built-in soft start, it is an ideal choice for many computer server, game console, and automotive applications.

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