DL0165R DATASHEET PDF

DLR datasheet, DLR datasheets and manuals electornic semiconductor part. FSDLRL, FSDLRL, FSDLRL, FSDLRL and other. Datasheet search engine for Electronic Components and Semiconductors. DLR data sheet, alldatasheet, free, databook. DLR parts, chips, ic. DLR datasheet,Page:3, FSDLRN Pin Definitions Pin Number 1 Pin Name GND Pin Function Description Sense FET source terminal on primary side .

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This device is an integrated. The integrated PWM controller features.

When compared to a discrete. This device is a basic. Adapt- Open Adapt- Open. Typical continuous power in a non-ven. Maximum practical continuous power in satasheet open frame.

DLR PDF Datasheet, Equivalent part search

Startup Voltage Vstr Breakdown. Turn On Delay Time. Turn Off Delay Time. Frequency Change With Temperature 2. Internal Soft Start Time.

Drain to Source Peak Current Limit. Current Limit Delay 3. T D OFF independent of. Delay current 5uA charges the Cfb.

The Sense FET and the con. The voltage across the resistor is then compared with a. If the sensing resistor voltage is greater.

Here, pulse by pulse. In case of malfunc.

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DL0165R Datasheet PDF

In order to prevent this situation, an over. Vcc instead of directly monitoring the output voltage. In order to avoid undes. The typical soft start time is. The pulse width to the power switching device is progres. It also helps to prevent transformer saturation and. In addition to start-up, soft. When the gate turn-on.

This device is an integrated high voltage power switching regulator which combine an avalanche rugged Sense FET with a dl065r mode PWM control block. The integrated PWM datawheet features include: This device is a basic platform well suited for cost effective designs of flyback converters. Over load protection 4. The voltage across the resistor is then compared with a preset AOCP level.

In case of malfunc- tion in the secondary side feedback circuit, or feedback loop open caused by a defect of solder, the current through the opto-coupler transistor becomes almost zero. Then, Vfb climbs up in a similar manner to the over load situation, forc- ing the preset maximum current to be supplied to the SMPS until the over load protection is activated.

Because excess energy is provided to the output, the output voltage may exceed the rated voltage before the over load protection is activated, resulting in the breakdown of the devices in the secondary side.

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In order to prevent this situation, an over voltage protection OVP circuit is employed.

DL0165R PDF Datasheet浏览和下载

In order to avoid undes- ired activation of OVP during normal operation, Vcc should be properly designed to be below datasyeet. The typical soft start time is 15msec, as shown in figure 8, where progressive increments of Sense FET current are allowed during the start-up phase.

The pulse width to the power switching device is progres- sively increased to establish the correct working conditions for transformers, inductors, and capacitors. The voltage on the output capacitors is progressively increased with the intention of ddatasheet establishing the required output volt- age. It also helps to prevent transformer saturation and reduce the stress on the secondary diode.

In addition to start-up, soft- start is also activated at each restart attempt during auto- restart and when restarting after latch mode is activated.