HIP6311ACBZ

Frequency - Switching:	50kHz ~ 1.5MHz
Base Part Number:	HIP6311A
Supplier Device Package:	20-SOIC
Package / Case:	20-SOIC (0.295", 7.50mm Width)
Operating Temperature:	0°C ~ 70°C (TA)
Control Features:	Enable, Frequency Control, Power Good
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	--
Duty Cycle (Max):	--
Series:	--
Voltage - Supply (Vcc/Vdd):	4.75 V ~ 5.25 V
Output Phases:	4
Number of Outputs:	4
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	PWM Signal
Part Status:	Obsolete
Packaging:	Tube

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HIP6311ACBZ application field and working principle

HIP6311ACBZ is an effective DC-DC adjustment controller from Intersil that is designed for a wide range of applications. This integrated circuit operates using pulse-width modulation (PWM) or pulse-frequency modulation (PFM) which allows for high efficiency at low to medium loads. It is highly suitable for use in DC-DC buck and boost power conversions, offering both high performance and low costs. Furthermore, it has a number of features that make it particularly attractive for voltage regulator designs, such as low external component count, integrated loop compensation, wide input and output voltage ranges, high accuracy reference voltage, and integrated thermal and short-circuit protection.The HIP6311ACBZ is a low noise synchronous integrated buck/boost PWM regulator that has been specifically designed for use in cost and space sensitive mobile applications. The device offers high efficiency and accurate regulation at either high or low currents, as well as dynamic and static voltage scalability for wide input voltage variation. It can support output voltages from 0.9V to 16V at various current levels, and accepts inputs from 6V to 36V, making it ideal for even the most demanding of environments.The integrated circuit operates by pulse-width modulation (PWM) or pulse-frequency modulation (PFM). In PWM mode, a rectangular waveform is used to control the on and off state of the switching devices, while in PFM mode, the load is monitored and the duty cycle adjusted accordingly. The device further integrates over-current, over-temperature, and short-circuit protection to protect itself and its components from any damages that may occur.The integrated loop compensator makes HIP6311ACBZ particularly useful in voltage regulation applications, as it is capable of providing a relatively tight current regulation loop either in open-loop or closed-loop control. Furthermore, the loop compensation adjusts automatically to the required application, meaning that no external components are required for most applications.In conclusion, the HIP6311ACBZ is a versatile control IC that provides high performance and reliability under a variety of operating conditions. Its wide input and output voltage ranges, low noise PWM and PFM control modes, and integrated loop compensation make it an ideal solution for DC-DC conversion, voltage regulation, and a host of other applications. It is, therefore, an excellent choice for designers who require a reliable and cost-effective component.

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