GW6203 – PWM Controller of High-performance Current Mode

GW6203 Datasheet PDF learn more.

Part number : GW6203

Functions : This is a kind of semiconductor, PWM Controller of High-performance Current Mode.

Pin arrangement :

Package information :

Manufacturer : ETC

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GW6203 Datasheet PDF

The texts in the PDF file :

GW6203 PWM Controller of High-performance Current Mode Product Specification GENERAL DESCRIPTION PWM controller of high-performance current mode is specially designed for AC/DC transformer with high performance and price ratio, which supplies continuous output power of 18W within the range of wide-voltage between 85V and 265V, the output power of peak value can be up to 24W. The combination of optimized reasonable circuit design and bipolar facture technology with high performance and price ratio economizes the whole cost ultimately. The power controller can be applied to the typical fly-back circuit topology so as to form a simple AC/DC transformer. When the output power is lower, IC will reduce the working frequency automatically, therefore, the standby power consumption becomes extremely low. When the power tube is closed, the interior circuit will bias it reversely, utilize the characteristic of high pressure resistance CB of bipolar transistor directly, and improve its pressure resistance capacity to the high voltage of 700V, which ensures the security of the power tube. Meanwhile, the perfect function of overload and saturation prevention is provided inside of IC, which can keep away some abnormal status, such as overload, saturation of transformer, and output short circuit, so as to improve the reliability of the power supply. The current limit and clock frequency can be set up by exterior components. Now the standard encapsulation and the environmental protection leadless encapsulation that meets European standard of DIP8 are supplied. FEATURES „ Set-in high-voltage power switch tube of 700V and few peripheral components „ With the modulation of lock pulse width, the testing is according to the pulse limit current. „ With the function of output frequency reduction, the non-output power consumption can be less than 0.3W. „ Inner-built ramp and anti-feedback compensation function „ The independent upper-limit current testing controller deals with over-c [ … ]

GW6203 PDF File

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