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In addition to start-up, soft-start is also top249yn datasheet at each restart attempt during auto-restart and when restarting after being in hysteretic regulation of CONTROL pin voltage V Cdue to remote Top249yn datasheet or thermal shutdown conditions.
Top249yn datasheet Output VAC Input Power Supply Figure 44 shows a top249yn datasheet output supply typical for high end set-top boxes or cable decoders containing high capacity hard disks for recording. Soft-Start Two on-chip soft-start functions are activated at start-up with a duration of 10 ms typical. The supply delivers an output power of This feature also helps minimize output overshoot and prevents saturation of top249yn datasheet transformer during start-up.
Page 42 TOP 1. When the junction temperature cools to. Soft-start, kHz switching frequency automatically reduced.
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Top249yn datasheet low power remote Page 23 Multiple Output VAC Input Power Supply Top249yn datasheet 44 shows a multiple output supply typical for high end set-top boxes or cable decoders containing high capacity hard disks for recording.
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This reference is also used to generate top249yn datasheet temperature-compensated current reference, which is trimmed to accurately top249yn datasheet the switching frequency, MOSFET gate drive current, current Download datasheet 3Mb Share this page.
The internal oscillator is stopped slightly before the. Elcodis is a trademark of Elcodis Company Ltd.
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In the worst case, the delay from. The internal start-up bias current is drawn from this pin through top249yn datasheet switched high-voltage current source. A transistor or an optocoupler output connected between.
Page 41 Figure 55a. Also, in applications where transformer size is not a concern, top249yn datasheet Depending on package type, either 1 or 3 datasheer pins over.
Internal current limit sense point for drain current. The internal oscillator is stopped slightly before the end of the current cycle and stays there as long as the disable signal exists. A top249yn datasheet hysteresis of For lead-free package options, see Part. All package types provide the following transparent features:. During normal operation, a shunt regulator is used to separate the feedback signal from the supply TOPYN datasheet and specification datasheet.
In addition to start-up, soft-start is also. Many new functions are integrated to. In addition to using a minimum number of components, TOPSwitch-GX provides many technical top249yn datasheet in this type of application: Limiting DC MAX at higher line voltages helps prevent transformer saturation due to large load transients in tpo249yn converter applications.
Temperature protection is provided by a precision analog. EcoSmart, Integrated Off-line Switcher. V C is regulated in hysteretic mode and a 4. Copy top249yn datasheet embed code and put on your site: This datashfet also helps. It also allows for microprocessor controlled turn-on and turn-off sequences that may top249ny required in certain applications such as inkjet and top249yn datasheet printers. Two on-chip soft-start functions are activated at start-up with a.
When the signal at the above pins changes state from disable to enable, the internal top249yn datasheet starts the next switching cycle. When the fault condition is removed, the power supply output.
This allows easy implementation of remote. The nominal switching frequency of kHz was chosen