IC LNK500 PN (Off-line switching 3W)
Switch ICs designed as a power management ICs placed between a voltage source and a load to control power supply to the load. Basically, usage of mechanical relays, MOSFETs, and other discrete semiconductor devices allows to compose a similar circuit. But using loadswitch ICs helps to reduce the circuit footprint and power consumption. These voltage regulator IC are integrated circuits (ICs) capable of storing energy in an inductor, transformer, or capacitor. And permits storage device to transfer energy from the input to the output in discrete packets over a low-resistance switch.
LinkSwitch LNK500PN designed explicitly to replace low power linear transformer/RCC chargers and adapters at equal or lower system cost with much higher performance and energy efficiency. LNK500 is a lower-cost version of the LNK501 offering a wider tolerance output CC characteristic. This LINKSWITCH defined as a new innovative revolutionary patented topology for the design of low power switching power supplies.This switch IC the simplicity and low cost of linear adapters, and enables a much smaller, lighter, and attractive package when compared with the traditional “brick.”
LNK500PN Switcher IC provides an efficiency of up to 75% and <300 mW no-load. LinkSwitch solution can save . LinkSwitch simply integrates a 700 V power MOSFET, PWM control, high voltage start-up, current limit, and also thermal shutdown circuitry, onto a monolithic IC.
- Linear transformer replacement in all ≤3 W applications
- Chargers for cell phones, cordless phones, PDAs, digital cameras, MP3/portable audio devices, also shavers, etc.
- Home appliances, white goods and consumer electronics
- Constant output current LED lighting applications
- TV standby and other auxiliary supplies
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