L6730C

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Output Type:	Transistor Driver
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Number of Outputs:	1
Output Phases:	1
Voltage - Supply (Vcc/Vdd):	4.5 V ~ 14 V
Frequency - Switching:	100kHz ~ 1MHz
Duty Cycle (Max):	100%
Synchronous Rectifier:	Yes
Clock Sync:	Yes
Serial Interfaces:	--
Control Features:	Enable, Frequency Control, Phase Control, Power Good, Soft Start
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	20-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package:	20-HTSSOP
Base Part Number:	L6730

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Introduction to L6730C

The L6730C is a family of sophisticated DC-DC switching controllers designed and manufactured by STMicroelectronics. These controllers are intended for use in applications where high efficiency and power density, as well as maximum flexibility, are important performance indicators.

Application Fields of L6730C

L6730C controllers are mainly used in notebook computers, mobile phones, USB-ports, LCD-displays, HDDs, digital cameras and other handheld electronics.

The Working Principle of L6730C

L6730C controllers are based on an advanced, modulated Pulse Width Modulation (PWM) technique for efficient, reliable and highly stable power conversion.The PWM control works by regulating the duty cycle of the pulse width modulation signal. The duty cycle, which is the ratio of the length of the on and off times of the control signal, is used to adjust the amount of power supplied to the load. The controller monitors the output voltage and adjusts the duty cycle accordingly. This ensures that the required output voltage is maintained at all times.In addition, the L6730C also features a wide range of protection features.First, the controller is designed to protect against over-voltage, under-voltage, over-current, and temperature protection. Second, it is designed to provide protection against transient voltage spikes, to reduce the risk of damage to sensitive electronic circuits and components. Finally, the controller features a variety of safety features such as ESD protection, surge protection, and short circuit protection.

Conclusion

The L6730C is a family of sophisticated DC-DC switching controllers designed and manufactured by STMicroelectronics for use in applications where high efficiency and power density are important performance indicators. These controllers are based on an advanced, modulated Pulse Width Modulation (PWM) technique for efficient, reliable and highly stable power conversion. In addition, the L6730C also features a wide range of protection features, such as over-voltage, under-voltage, over-current, temperature, transient voltage spike protection, ESD, surge, and short circuit protection.

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