MC34268DG

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The MC34268DG is a special purpose voltage regulator from ON Semiconductor. It is a dual voltage output regulator built on a high-integrity process and power management architecture. This voltage regulator is designed for applications with up to 4 A of load current. Its two output channels can deliver up to 1.1 A and 3.3 A, respectively. The robust output voltage accuracy and low dropout voltage required for end-equipment reliability are features that are provided by this device.

The MC34268DG voltage regulator has a wide input voltage range of 4.5 V to 25 V, and its output voltage range is 2 V to 15 V, adjustable with an external feedback pin. The input is protected against short-circuit and over-temperature. It also features low output voltage ripple, low noise operation, and fast transient response. The device supports both current limit and thermal limit protection. It operates at a fixed frequency of 500 kHz.

In terms of operation, the MC34268DG voltage regulator is a step-down, current-mode buck regulator. It has an internal MOSFET switch and a single control pin which controls the duty cycle of the internal switching. The voltage output of this device is determined by the external feedback network and the output ripple is low due to its current-mode architecture. The device also includes an internal soft start circuit, which gradually increases the output voltage from zero when the device is first powered up.

The MC34268DG is a highly integrated device, offering several features and benefits, such as excellent transient response, low noise operation, wide input voltage range, and low dropout voltage. This voltage regulator is designed to meet the needs of a wide range of applications, such as computing, automotive, industrial, cellular, and consumer electronics products.

The MC34268DG voltage regulator is a highly efficient device thanks to its high switching frequency and low voltage dropout voltage (V _DO). The device’s low profile and small size also make it suitable for various applications where space is limited. Its wide temperature range and high temperature operating conditions also make it an ideal choice for many different applications.

In conclusion, the MC34268DG voltage regulator from ON Semiconductor is a highly integrated, dual output voltage regulator with a wide range of features and benefits. Its excellent transient response, low noise operation, wide input voltage range, and low dropout voltage make it an ideal choice for various applications such as computing, automotive, industrial, cellular, and consumer electronics products.

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