LTC1701BES5#TRPBF

Voltage - Output (Min/Fixed):	1.25V
Base Part Number:	LTC1701
Supplier Device Package:	TSOT-23-5
Package / Case:	SOT-23-5 Thin, TSOT-23-5
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	1MHz
Current - Output:	500mA
Voltage - Output (Max):	5V
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	2.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LTC1701BES5#TRPBF application field and working principleThe LTC1701BES5#TRPBF (LTC1701BES5) is a type of DC-DC Switching Regulator (hence-forth referred to as the regulator) with an input voltage range of 2V to 30V, and an output voltage range from 0.87V to 30V. It has an adjustable switching frequency of up to 2MHz, allowing for significantly lower size and cost designs.The LTC1701BES5 is suitable for many different applications and has many unique design features which make it a versatile choice. This includes its ability to provide both high current and rapid response to transient loads, while maintaining accurate voltage output. Additionally, this device has a high tolerance of +/- 0.9V input and output ripple, so it is ideal for controlling power outputs more precisely and reliably.The regulator is composed of two main components, the Buck switching circuit and the current sensing circuit. The Buck switching circuit is the main control circuit in the power system and is responsible for converting the input voltage to a specific output voltage. The main component of this circuit is the switch, which is usually a MOSFET. The switch is turned on and off rapidly by the controller, allowing for a very fast response and accurate regulation.The current sensing circuit enables the system to accurately control the current flowing from the input voltage to the output voltage. The basic process is simple: a small sense resistor is connected in series with the power input and the output, allowing the sensing circuit to draw a small amount of current for sensing. The sensing current is used to detect when the output voltage is too high or low and to adjust the duty cycle of the switching circuit accordingly. This enables the regulator to provide accurate and optimal voltage control.Finally, the regulator is also equipped with protection circuitry which helps protect it from over/undervoltage, over-current, and short-circuit scenarios. This ensures the power system remains in good working condition and maintains its accuracy and efficiency.In summary, the LTC1701BES5 is very well suited for controlling power supplies in a number of applications. Its versatility and versatility makes it an ideal choice for many applications, while its highly efficient switching circuit and current sensing circuit allows it to provide reliable and accurate voltage control. It is also equipped with a number of protection features, which helps ensure that its performance remains safe and consistent.

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