TL5001AID

Frequency - Switching:	20kHz ~ 500kHz
Base Part Number:	TL5001A
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Dead Time Control, Frequency Control
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	No
Duty Cycle (Max):	100%
Series:	--
Voltage - Supply (Vcc/Vdd):	3.6 V ~ 40 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck, Boost, Flyback
Output Configuration:	Positive
Function:	Step-Up, Step-Down, Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tube

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The TL5001AID is a synchronous step-down voltage regulator controller with built-in Soft-Start. It has constant frequency PWM operation for high efficiency. It supports up to 2 synchronous n-channel MOSFETs with external gate drivers, which can provide up to 5 A output current and up to 42 V input voltage. It features adjustable switching frequency of up to 1 MHz and peak current mode control, as well as accurate current limit, thermal shutdown, over-voltage and under-voltage protection. The TL5001AID is ideal for applications requiring high efficiency and high power density such as power supply systems, computing equipment and backups of high-frequency systems.Application FieldThe TL5001AID is suitable for synchronous step-down DC/DC applications to generate various voltages in a wide range of input voltages. It is a versatile regulator controller for applications such as audio amplifiers, battery chargers, notebooks and desktop PCs, automotive systems, and mobile communications systems.Working PrincipleThe TL5001AID uses a peak current mode control architecture with built-in voltage loop compensation. It continuously senses and regulates the output current and maintains it by controlling the duty ratio of the output MOSFETs. The constant frequency PWM operation ensures high conversion efficiency.The TL5001AID supports current mode operation with a wide range of adjustable peak current values and fast response. This regulator controller is sensitive to differences in input and output voltages, as well as resistive losses, guaranteeing a high conversion efficiency of up to 95%.The TL5001AID supports power up/down Soft-Start feature to control the inrush current. It also monitors the temperature of the output MOSFETs and provides over-temperature shutdown protection. The TL5001AID also has adjustable over-voltage and under-voltage protection to protect from input over-voltages or input under-voltages.ConclusionThe TL5001AID is a high-efficiency regulator controller designed to provide cost-effective DC/DC solutions for a wide range of applications. It supports up to 2 synchronous n-channel MOSFETs with external gate drivers and peak current mode control. It features voltage loop compensation, temperature protection, adjustable switching frequency, and over-voltage and under-voltage protection. It supports Soft-Start and provides up to 5 A output current. The TL5001AID is ideal for applications requiring high efficiency and power density such as power supply systems, computing equipment and backups of high-frequency systems.

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