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Motorola makes no mc33368d datasheet, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the ddatasheet or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. Mfax is a trademark of Motorola, Inc. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, mc33368d datasheet other.

Output during a given cycle. Under these conditions, the Current Sense Comparator threshold will mc33368d datasheet internally clamped to 1. The Zero Current Detector input is internally protected by two clamps.

MC33368D PDF Datasheet浏览和下载

The Restart Delay, Pin 2, is a high impedance, so that an external capacitor can provide delay times as long as several seconds. A restart delay pin is provided to allow hiccup mode fault. Mc33368d datasheet Daatsheet 4 does not reach the mc33368d datasheet threshold.

Timer A mc33368d datasheet timer function was added to the IC to eliminate the need for an external oscillator when used in stand alone applications. The Zero Current Detector input is internally. The ac haversines are monitored at Pin 5 with respect to ground while the Error Amplifier output at Pin 4 is monitored with respect to the Voltage Feedback Input threshold.


This will prevent Drive. A Quickstart circuit has been incorporated to optimize converter startup. A single quadrant, two mc33368d datasheet multiplier is the critical. mc33368d datasheet

Multiplier threshold, allowing immediate Drive Output. The Timer provides a means mc3368d. Output switching and delay bootstraping of capacitor Mc33368d datasheet by. Detector initiates the next on—time by setting the RS Latch at.

The inductor current is converted to a voltage by inserting a ground—referenced sense resistor R7 in series with the source of output switch. The peak inductor current under normal operating conditions is controlled by the threshold voltage of Pin 6 where: This has the mc33368d datasheet of forcing the MOSFET on—time to track the input line voltage, thus making the preconverter load appear to be resistive.

If the SMPS mc33368d datasheet is short circuited, the transformer. The Multiplier output controls the Mc33368d datasheet Sense Comparator threshold as the ac voltage traverses sinusoidally from mc33368d datasheet to peak line. A graph of the Multiplier transfer curve is shown in Figure 1.

The inductor current is. Kc33368d prevent false tripping, mV of hysteresis is provided. The Zero Current Detector indirectly senses the inductor.

MCD (ONSEMI) PDF技术资料下载 MCD 供应信息 IC Datasheet 数据表 (1/20 页)

Restart Delay A restart delay pin is provided to allow hiccup mode fault protection in case of a short circuit condition and to prevent the SMPS from repeatedly trying to restart after the input line voltage has been removed. The MC operates as a critical conduction current.


Motorola products are not designed, intended, or authorized for use as components m33368d systems intended for surgical mc33368d datasheet into the body, or other applications intended to support mc33368d datasheet sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or mc33368d datasheet may occur. An external resistor must be used in series with the auxiliary winding to limit the current through the clamps mc33368d datasheet 5.


Second, since there are no deadtime gaps between. Mc33368d datasheet Literature Distribution; P. The upper mc33368d datasheet V clamp prevents input overvoltage breakdown while the lower —0. Current Sense Comparator threshold, at the peak of the. Motorola and are registered trademarks of Motorola, Inc.

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This critical conduction mode of operation has two significant benefits. The Zero Current Detector initiates the next on—time by setting the Mc33368d datasheet Latch at the instant the inductor current reaches zero. In this manner, the SMPS switching transistors are operated at very low mc33368e cyles, preventing their mc33368d datasheet.