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Description
Topswitch-gx Family Extended Power, Design Flexible, Ecosmart, Integrated Off-line Switcher
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Description
TOPSwitch-GX uses the same proven topology as TOPSwitch, cost effectively integrating the high voltage power MOSFET, PWM control, fault protection and other control circuitry onto a single CMOS chip. Many new functions are integrated to reduce system cost and improve design flexibility, performance and energy efficiency. Depending on package type, the TOPSwitch-GX family has either 1 or 3 additional pins over the standard DRAIN, SOURCE and CONTROL terminals. allowing the following functions: line sensing (OV/UV, line feedforward/DC max reduction), accurate externally set current limit, remote on/off, and synchronization to an external lower frequency and frequency selection (132 kHz/66 kHz).
Lower System Cost, High Design Flexibility
● Extended power range to 250 W
● Features eliminate or reduce cost of external components
● Fully integrated soft-start for minimum stress/overshoot
● Externally programmable accurate current limit
● Wider duty cycle for more power, smaller input capacitor
● Separate line sense and current limit pins on Y/R packages
● Line under-voltage (UV) detection: no turn off glitches
● Line overvoltage (OV) shutdown extends line surge limit
● Line feed forward with maximum duty cycle (DCMAX) reduction rejects line ripple and limits DCMAX at high line
● Frequency jittering reduces EMI and EMI filtering costs
● Regulates to zero load without dummy loading
● 132 kHz frequency reduces transformer/power supply size
● Half frequency option in Y/R packages for video applications
● Hysteretic thermal shutdown for automatic fault recovery
● Large thermal hysteresis prevents PC board overheating
Preview of the first 3 pages of the data sheet
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11 buyer reviews from Singapore
Manuel Gómez rodríguez
Length of registration:8 years
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07/31/2019
George Torres
Length of registration:7 years
I recently ordered an IC TOP243YN from your company and was very pleased with the performance. The device worked as expected and was very reliable. The power supply was stable and the output was consistent. The device was also easy to install and configure. Overall, I am very satisfied with the performance of the IC TOP243YN and would highly recommend it to others. Thank you for providing such a g
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03/17/2023
HECTOR GONZALO CLAVIJO AGUIRRE
Length of registration:9 years
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07/16/2020
Angel Rodriguez
Length of registration:5 years
Very satisfied with
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05/06/2019
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TOP243Y
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