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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The voltage across the resistor is then compared with a preset AOCP level.
In case of malfunc- tion in the datashewt side feedback circuit, or feedback loop open caused by a defect of solder, the current through the datashset transistor becomes almost zero. Turn On Delay Time. The voltage across the resistor is then compared with a. There is a time delay while charging. Delay current 5uA charges the Cfb. It also helps to prevent transformer saturation and reduce the stress on the secondary diode. When compared to a discrete. In order to avoid undes.
Startup Voltage Vstr Breakdown. At start up the internal switch supplies internal bias and charges an external storage capacitor placed between the Vcc pin and ground.
The Drain pin is designed to connect directly to the primary lead of the trans. Pin Configuration Top View 3.
Drain to Source Peak Current Limit. Sense FET source terminal on primary side and internal control ground. It is not until Vcc reaches the.
Once the Vcc reaches 12V, the internal switch is disabled. Here, pulse by pulse. The voltage on the output capacitors is progressively increased with the intention of smoothly establishing the required output volt- age. Pin to adjust the current limit of the Sense FET.
In order to prevent this situation, an over voltage protection OVP circuit is employed. This device is a basic platform well suited for cost effective designs of flyback converters. The pulse width to the power switching device is progres- sively increased to establish the correct working conditions for transformers, inductors, and capacitors.
It has a 0.
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Internal Soft Start Time. Typical continuous power in a non-ven.
In case dataasheet malfunc. The integrated PWM controller features include: This pin connects directly to the rectified AC line voltage source. Current Limit Delay 3. This device is a basic. Maximum practical continuous power in an open frame. Although connected to an auxiliary transform- er winding, current is supplied from pin 5 Vstr via an internal switch during startup see Internal Block Diagram section.
The typical soft start time is 15msec, as dll0165r in figure 8, where progressive increments of Sense FET current are allowed during the start-up phase.
Although connected to an auxiliary transform. This device is an integrated.
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It is not until Vcc dl0165 the UVLO upper threshold 12V that the internal start-up switch opens and de- vice power is supplied via the auxiliary transformer winding. T D OFF independent of. UVLO upper threshold 12V that the internal start-up switch opens and de. Adapt- Open Adapt- Open. Turn Off Delay Time. The Drain pin is designed to connect directly to the primary lead of the trans- former and is capable of switching a maximum of V.
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. A feedback voltage of 6V trig. Datashdet order to prevent this situation, an over. In order to avoid undes- ired activation of OVP during dayasheet operation, Vcc should be properly designed to be below 19V. The feedback voltage pin is the non-inverting input to the PWM comparator.
The typical soft start time is.
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A feedback cl0165r of 6V trig- gers over load protection OLP. Over load protection 4. 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.