UDN2559B

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PMIC – Power Distribution Switches, Load Drivers

The UDN2559B is a quad monolithic high side Open Collector n-channel Power Distribution Switch. It is designed to control multiple output circuits by distributing power to them. It consists of 4 switches and is an ideal choice for applications that require multiple circuits to be turned on or off. This device is designed to work on a wide range of voltages and is also well suited for low current applications due to its low On-resistance.

Application Field

The UDN2559B is mainly used for power control applications in industrial, automotive and consumer electronics. It can be used to control multiple voltage rails, enabling or disabling different circuits. It is well suited for a variety of applications where multiple circuits need to be controlled such as power distribution in industrial systems or motor control in automotive and consumer appliances. Additionally, it can be used as a switch to provide a stable output voltage to low current circuits in a wide range of voltages.

Working Principle

The UDN2559B is a quad monolithic high side Open Collector n-channel Power Distribution Switch. When the Enable signal is applied, the internal switches are turned on and the voltage dropped across them is equal to the device\'s On-resistance. This enables the turned on circuit to be supplied with power. To turn off a circuit, the enable signal is turned off and the internal switches open, disabling the supply of power to the circuit. The ON-resistance of the device is low enough for it to be suitable for low current applications, as the voltage drop across the internal switches is low.

The UDN2559B is designed to work on a wide range of voltages and can therefore be used for a variety of applications. It is also designed to work across multiple supply rails, allowing it to be used to control different circuits simultaneously. Additionally, it can be used as an efficient switch, allowing it to be used to provide a signal voltage to low current circuits. The device is highly reliable, making it an ideal choice for power control applications.

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