HIP6311CBZA

Frequency - Switching:	50kHz ~ 1.5MHz
Base Part Number:	HIP6311
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Part Status:	Obsolete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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HIP6311CBZA is a versatile DC/DC controller designed to drive Buck and Buck-Boost switching regulators from a single 2.7V supply. It uses minimum external components and offers maximum flexibility to enable easy implementation of synchronous buck or buck-boost regulators for a large number of applications. The application of HIP6311CBZA includes industrial, automotive, communications, consumer, and computing applications.The HIP6311CBZA is a high-performance DC/DC switching controller for driving synchronous buck or buck-boost regulators. It has an on-chip 2.7V internal voltage reference, wide input voltage range from 2.7V to 20V, and efficient low-side gate drive (H-bridge) with up to 10A current. The on-chip thermal protection is provided by a precise temperature monitor with hysteresis and a separate thermal shutdown output.The working principle of HIP6311CBZA involves the accurate operation of the low-side switching element, operating at a frequency which can be set by an external resistor. This signal is further used to control the operation of the high-side switching element. When using the HIP6311CBZA as a buck regulator, the output voltage is regulated by the internal error amplifier. When used as a buck-boost regulator, an external error amplifier is used to provide the voltage feedback signal for the high-side switching element.The HIP6311CBZA offers advanced features to assist the designer in developing high-performance control solutions. These include input undervoltage and overvoltage protection, adjustable soft-start and adjustable overload protection, current limit, and PWM dimming. Additionally, the HIP6311CBZA also offers power-save mode and automatic frequency response for added dynamic performance.In conclusion, the HIP6311CBZA is a high-performance DC/DC synchronous buck/buck-boost controller that can provide reliable and efficient control for a variety of applications. It has wide input voltage range and low external component count, and offers advanced features such as undervoltage/overvoltage protection, soft-start, overload protection, current limit and more. The on-chip thermal protection and power-save features make it an ideal solution for a wide range of industrial, automotive, communications, consumer, and computing applications.

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