TC7660EPA

Voltage - Output (Min/Fixed):	-Vin, 2Vin
Base Part Number:	TC7660
Supplier Device Package:	8-PDIP
Package / Case:	8-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	10kHz
Current - Output:	20mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	10V
Voltage - Input (Min):	1.5V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Charge Pump
Output Configuration:	Positive or Negative
Function:	Ratiometric
Part Status:	Active
Packaging:	Tube

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TC7660EPA Application Field and Working Principle

TC7660EPA is a DC/DC switching regulator. It is a high-efficiency, low-dropout linear regulator (LDO). The TC7660EPA has a power efficiency of up to 90%. The device includes a wide range of features, including current and voltage protection, over temperature protection, and overcurrent protection. TC7660EPA is popularly used in optical and telecom applications, embedded systems, consumer electronics, automotive, and network systems. The device is also suitable for energy harvesting and in medical biometric sensor applications. TC7660EPA enables designers to implement simple, yet efficient, DC/DC switching regulator topology. The device is a non-isolated, single-stage, buck-boost converter. The device accepts an input voltage of between 3V to 20V and can develop an output voltage of less than one volt using a minimum number of external components.TC7660EPA follows an open loop structure when regulating the output voltage. The control circuitry uses an internal error amplifier to compare the output voltage with a target voltage, and it then adjusts the feedback voltage to accommodate the changes. The loop gain of the error amplifier automatically adjusts the output voltage to a reference value.The primary current sense of the device monitors the power device, thus implementing a constant output current protection. The device incorporates a thermal shutdown module that protects the device if the internal temperature exceeds a certain threshold. The output voltage of the TC7660EPA can be synchronized to an external clock frequency with a frequency range of 10kHz to 250kHz. The device also provides an adjustable soft start that helps to prevent current surges during startup. In summary, the TC7660EPA is a highly efficient, low-dropout, DC/DC switching regulator that is suitable for a variety of applications. Its high efficiency and wide input voltage range make it an ideal choice for power supply design. The device is equipped with a range of features to ensure safe and reliable operation, including current and voltage protection, over temperature protection, and overcurrent protection.

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