HIP6021CB

Voltage/Current - Output 3:	Controller
Base Part Number:	HIP6021
Package / Case:	28-SOIC (0.295", 7.50mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Voltage - Supply:	5 V ~ 12 V
w/Sequencer:	No
w/Supervisor:	No
w/LED Driver:	No
Series:	--
Voltage/Current - Output 2:	Controller
Voltage/Current - Output 1:	Controller
Frequency - Switching:	215kHz
Number of Outputs:	4
Function:	Any Function
Topology:	Step-Down (Buck) Synchronous (1), Linear (LDO) (3)
Part Status:	Obsolete
Packaging:	Tube

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HIP6021CB Application Field and Working Principle

The HIP6021CB is a part of a family of Voltage Regulators from Texas Instruments that is both Linear and Switching regulators. It offers wide range of and adjustable output voltages. This device is a multi-functional and integrated chip that offers solutions for a wide range of applications, including Flash Memory, and processor core supplies, as well as DSP and FPGA supplies. The HIP6021CB can provide a maximum output current of 3A, with an input voltage range of 2.475V to 18V.This device\'s linear regulators and switching topping converters offer enhanced load and line transient response. It also provides excellent power supply rejection ratio and fast transient response. Additionally, the device\'s pulse-width modulation controllers offer wind noise reduction with over-voltage, under-voltage and over-current protection. It also features a standby mode and is equipped with programmable soft start. The HIP6021CB is capable of providing power solutions with minimum power dissipations due to the incorporation of low drop-out linear regulators; it also offers low dropouts and low external part count solutions. This device provides an adjustable output voltage of 0.8V to 3.5V; up to 3.5A peak output current and turn-on time of <10µsec. Other features of this device include thermal shutdown, over-temperature protection, over-current protection, cycle-by-cycle current limit, and internal or external sensing capabilities. The HIP6021CB combines switching and linear regulators to provide a wider output voltage range. The controller enables the use of external high-current power MOSFETs in buck and boost configurations. The linear regulator topology allows the device to switch from one output voltage to another different voltage, by providing a steady output current regardless of input voltage or desired output voltage. The HIP6021CB contains internal logic level circuitry that senses when the output voltage is within a given range and enables the converter. Similarly, the logic circuit offers protection against transient voltage spikes on the input and output. This feature prevents any overvoltage protection on the output and the inherent flyback behavior of the converter. The device also includes an automatic power down mode when the input voltage falls below the minimum specified voltage.The logic function within the HIP6021CB also monitors the output current and shuts down both the regulators and the controller when the peak current exceeds a certain level. This feature prevents damage to the components due to excessive current. The device\'s switching solution is also capable of providing very fast response times, aiding the device\'s power supply protection capabilities. In summary, the HIP6021CB from Texas Instruments is a single chip voltage regulator that is both linear and switching solutions. It offers wide range of and adjustable output voltages and can provide a maximum output current of 3A and an input voltage range of 2.475V to 18V. Additionally, this device offers excellent load and line transient responses, power supply rejection ratio and fast transient response, along with thermal shutdown, over-temperature and over-current protection. It also has a standby mode and an adjustable output voltage from 0.8V to 3.5V. Overall, this device is capable of providing power solutions with minimum power dissipations, along with low dropouts and low external part counts.

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