LNK614DG-TL

Duty Cycle:	55%
Mounting Type:	Surface Mount
Supplier Device Package:	SO-8C
Package / Case:	8-SOIC (0.154", 3.90mm Width), 7 Leads
Operating Temperature:	-40°C ~ 150°C (TJ)
Control Features:	--
Fault Protection:	Current Limiting, Open Loop, Over Temperature, Short Circuit
Power (Watts):	4.1W
Frequency - Switching:	Up to 85kHz
Series:	LinkSwitch®-II
Voltage - Supply (Vcc/Vdd):	--
Topology:	Flyback
Voltage - Breakdown:	700V
Internal Switch(s):	Yes
Output Isolation:	Isolated
Part Status:	Active
Packaging:	Tape & Reel (TR)

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modern technology has transformed many areas of life, from communications to education and from industry to businesses. One of the most dramatic changes in modern technology has been the development of power management ICs (PMICs). PMICs are integrated circuits that provide a range of power management functions within a single chip. These include voltage and current regulation, as well as power conversion.The LNK614DG-TL is a highly efficient offline Switcher and AC-DC converter IC from Texas Instruments. It offers high performance in a small package and is ideal for applications such as charging handhelds, digital media players, toys, and more. The device is designed to operate with an external diode bridge rectifier, a filtering capacitor, and an external load to provide a regulated DC output voltage.The LNK614DG-TL integrates the most commonly used features of an ACDC power converter into a single product, which greatly simplifies the design process. The device consists of an oscillator, a pulse width modulator (PWM), and a power MOSFET switch in an 8-pin package. It also includes safety features such as overtemperature protection, output short-circuit protection and undervoltage lockout.The working principle of the LNK614DG-TL is based on pulse width modulation (PWM). This technique is used to control power accurately and efficiently by switching the current on and off at a frequency that is so high that the average current delivered over time is the desired current. The device is operated in a continuous conduction mode (CCM). When the oscillator is triggered, the device will produce a variable PWM signal which is then used to control the on and off times of the power MOSFET switch. The output voltage is controlled by adjusting the on-time (TON) and off-time (TOFF) of the pulse width modulator. The output voltage will be regulated depending on the input voltage, the output load, and the parameters set by the user.The LNK614DG-TL is a versatile, cost-effective solution that is suitable for many AC-DC power conversion applications. Its high efficiency, low standby power consumption, and integrated safety features make it suitable for use in a variety of applications such as portable audio players, toys, and hand-held gaming devices. Additionally, it offers the ability to customize the parameters to suit different tasks, making it suitable for a wide range of applications.

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