UDK2559LB

Voltage - Supply (Vcc/Vdd):	4.75 V ~ 5.25 V
Base Part Number:	UDK2559
Supplier Device Package:	16-SOIC
Package / Case:	16-PowerSOIC (0.295", 7.50mm Width)
Operating Temperature:	-40°C ~ 125°C (TA)
Fault Protection:	Current Limiting (Fixed), Over Temperature
Features:	--
Input Type:	Non-Inverting
Rds On (Typ):	--
Current - Output (Max):	700mA
Series:	--
Voltage - Load:	60V (Max)
Interface:	On/Off
Output Type:	Bipolar
Output Configuration:	Low Side
Ratio - Input:Output:	1:1
Number of Outputs:	4
Switch Type:	General Purpose
Part Status:	Obsolete
Packaging:	Tube

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The UDK2559LB is a power manager integrated circuit (PMIC) device and is part of a number of power distribution switches, load drivers, and power system management integrated circuits (ICs). This device is designed for use in a variety of digital and analog systems and is suited for high-side, low-side, and control applications. Analog systems typically require a number of power supply rails, ranging from core voltage levels to supply multiple circuit blocks in the system. As such, these rails need to be distributed efficiently and correctly throughout the system. The UDK2559LB is designed to provide safe and reliable power management in a variety of challenging applications.The UDK2559LB provides high-side, low-side, and control-side power distribution switches and load drivers to ensure that the power supply rails reach the specific circuit blocks in the system. The IC can be used in a variety of applications such as: system and subsystem power sequencing, power management on a single- or multi-rail system, supply monitoring and protection, galvanic isolation, and power supply sequencing.The UDK2559LB also includes a variety of features such as a power system management (PSM) feature, which can program power-up and power-down sequences, an adjustable slew rate control (SRG) circuit, a buck voltage monitoring/protection (VMP) circuit, as well as a current-sensing amplifier (CSA). The PSM feature enables the IC to be optimized for a wide range of applications and enables the IC to monitor and control the power supply rails during run and standby modes.The SRG circuit provides up to 3-ns resolution and adjustable slew rate control during the power up and power down steps. The VMP circuit monitors the supply rails and provides 12-bit digital voltage information that can be read via I2C communication. The CSA monitors the output current and provides a 12-bit digital value of the measured current via I2C communication.The UDK2559LB also includes integrated protection features, such as short-circuit protection, overcurrent protection, overvoltage protection, and undervoltage protection. These protection features prevent any adverse or dangerous conditions that could damage the system.In summary, the UDK2559LB is a versatile power manager IC that provides both high-side, low-side, and control-side power distribution switches and load drivers, integrated protection features, as well as other power system management features. This device is suitable for a variety of system and subsystem power sequencing, power management in single- and multi-rail systems, supply monitoring and protection, and power supply sequencing applications. The UDK2559LB is designed for use in a variety of digital and analog systems and is suited for high-side, low-side, and control applications. The advanced features of this device make it a great choice for power management.

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