TPS54426PWP

Voltage - Output (Min/Fixed):	0.76V
Base Part Number:	TPS54426
Supplier Device Package:	14-HTSSOP
Package / Case:	14-TSSOP (0.173", 4.40mm Width) Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	700kHz
Current - Output:	4A
Voltage - Output (Max):	5.5V
Series:	SWIFT™, D-CAP2™, Eco-Mode™
Voltage - Input (Max):	18V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tube

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TPS54426PWP DC DC Switching Regulators Application Field and Working PrincipleAs one of the most versatile of all power supply configurations, DC DC switching regulators within the Texas Instruments TPS54426PWP (power managed integrated circuit) product line offer a variety of features and benefits to the power management of a wide range of commercial, automotive, industrial and consumer products. The TPS54426PWP DC DC switching regulator is an integrated circuit that converts a given input voltage to a desired output voltage while maintaining a consistent load current with minimal power dissipation.TPS54426PWP features and advantagesThe TPS54426PWP DC DC switching regulator is designed to operate at high efficiency due to its low output voltage ripple and low switching frequency. Its pulse skip mode feature reduces EMI noise and output capacitance requirements, permitting a simple and cost effective designer solution. Additionally, several user adjustable settings are available to further tailor the device’s performance to the operating environment, these settings include soft start, selectable frequency and current limit options, as well as an overtemperature protection circuit.The TPS54426PWP combines a wide range of advanced features and a thermally efficient D-Pak package that is capable of delivering power levels up to 10A and an energy density of 1W/mm2.Application field of TPS54426PWPThe TPS54426PWP DC DC switching regulator is ideal for a wide range of applications including DC boats, portable instruments and small office equipment, industrial systems and consumer electronics.The low output voltage ripple, low EMI capability and high efficiency make it suitable for digital televisions and computer monitors, portable media players, railway systems, and M2M applications.Work Principle of TPS54426PWP At its core the TPS54426PWP DC DC switching regulator utilizes a buck-boost (step-up/step-down) conversion topology, which recirculates energy in each cycle, producing a seamless transition between charging and discharging phases of the input voltage. During the charging period, the inductor stores energy as a magnetic field, which is then discharged during the discharging phase as electrical current, keeping the output voltage within the desired range.By controlling the on/off state of the incorporated power switch, the TPS54426PWP adjusts the load current to maintain a consistent output voltage. The voltage reference circuit (also on board) is used to monitor and compare the input voltage to the output voltage, this comparison is then used to drive the power switch in such a way that the output voltage gets close to the desired output voltage.The TPS54426PWP DC DC switching regulator is available in a variety of versions for different applications, and as an integrated circuit, it is an ideal choice for a wide range of power management solutions. Thanks to its various features, the TPS54426PWP DC DC switching regulator offers high performance, low power dissipation, and simple design.

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