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UC2524ADW

器件名称: UC2524ADW
功能描述: Advanced Regulating Pulse Width Modulators
文件大小: 365.75KB    共8页
生产厂商: TI
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简  介:UC1524A UC2524A UC3524A Advanced Regulating Pulse Width Modulators FEATURES Fully Interchangeable with Standard UC1524 Family DESCRIPTION The UC1524A family of regulating PWM ICs has been designed to retain the same highly versatile architecture of the industry standard UC1524 (SG1524) while offering substantial improvements to many of its limitations. The UC1524A Precision Reference Internally is pin compatible with “non-A” models and in most existing applications can be Trimmed to ±1% directly interchanged with no effect on power supply performance. Using the High-Performance Current Limit UC1524A, however, frees the designer from many concerns which typically had Function required additional circuitry to solve. Under-Voltage Lockout with Hysteretic Turn-on Start-Up Supply Current Less Than 4mA Output Current to 200mA 60V Output Capability Wide Common-Mode Input Range for both Error and Current Limit Amplifiers PWM Latch Insures Single Pulse per Period Double Pulse Suppression Logic 200ns Shutdown through PWM Latch Guaranteed Frequency Accuracy Thermal Shutdown Protection The UC1524A includes a precise 5V reference trimmed to ±1% accuracy, eliminating the need for potentiometer adjustments; an error amplifier with an input range which includes 5V, eliminating the need for a reference divider; a current sense amplifier useful in either the ground or power supply output lines; and a pair of 60V, 200mA uncommitted transistor switches which greatly enhance output ver……
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