TOP233Y

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The TOP233Y family of energy saving, current mode, off-line switching regulators are designed for both AC and DC offline converters or applications. It is one of the few highly efficient controllers that beat the 75% minimum efficiency standard. The regulator utilizes an advanced low-ripple, quasipeak current mode control with 2ms internal minimum on-time and less than 1% load regulation.

The TOP233Y family of products offers excellent performance and efficiency. The integrated gate driver provides adjustable output current protection and programmable soft-start function with the added convenience of not having to use additional components. The TOP233Y uses an analog PWM control, in which the output voltage is monitored by an error amplifier and regulated with very small adjustments in on-time. The integrated PWM comparator with hysteresis provides a quasi-peak current control, and it ensures low output voltage ripple and high efficiency.

The compact size and low quiescent current make the TOP233Y suitable for a variety of power conversion applications. It is available in a variety of packages including DIP, SOIC, and PDIP and is specified for a temperature range of -40°C to 85°C.

The TOP233Y family offers several functions not found in other controllers, such as cycle-by-cycle current limiting, short circuit protection with automatic recovery, frequency jittering, under-voltage protection, and temperature compensation. This additional protection helps to minimize component costs and maximize reliability. All these protection features and parts enable the TOP233Y to provide excellent performance.

The design philosophy of TOP233Y incorporates built-in features to save energy, reduce costs, and provide accuracy over a wide range of operating conditions. This includes a patented design for power factor correction and output voltage control that results in increased efficiency by operating the switching regulator at higher voltage levels. The superior performance of TOP233Y in applications ranging from microwave ovens and air conditioners to LED lighting is one of the clear advantages of using this device.

The TOP233Y family is a cost-effective, energy saving current-mode, offline switching regulator designed to be used with both AC and DC power conversion systems. It is a very efficient, low ripple switching regulator, with advanced low-ripple, quasipeak current mode control with 2ms internal minimum on-time and less than 1% load regulation. It also offers several integrated protection features such as current limiting, short circuit protection with automatic recovery, frequency jittering, under-voltage protection, and temperature compensation.

The compact size and low quiescent current make the TOP233Y suitable for a variety of applications including microwave ovens and air conditioners, as well as LED lighting. This controller has also been designed for improved efficiency by utilizing a patented design for power factor correction and output voltage control. It is available in a variety of packages including DIP, SOIC, and PDIP and is specified for a temperature range of -40°C to 85°C.

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