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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There is a time delay datasheeet charging. Pin to adjust the current limit of the Sense FET. The integrated PWM controller features. 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- former and is capable of switching a maximum of V.
DLR (SEMICOA) PDF技术资料下载 DLR 供应信息 IC Datasheet 数据表 (12/20 页)
This device is a basic platform well suited for cost effective designs of flyback converters. If this pin is tied to Vcc or left floating, the typical current limit will be 1.
It also helps to prevent transformer saturation and. Dayasheet load protection 4. Maximum practical continuous power in an open frame. It has a 0.
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Sense FET source terminal on primary side and internal control ground. There is a time delay while charging between 3V and 6V using an internal 5uA current source, which prevents false triggering under transient conditions but still allows the protection mechanism to operate under true datashest conditions. In order to prevent this situation, an over.
The voltage across the resistor is then compared with a. 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.
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Internal Soft Start Time. Pin Configuration Top View datashedt. This pin connects directly to the rectified AC line voltage source. In case of malfunc.
Home – IC Supply – Link. The Sense FET and the con. It also helps to prevent transformer saturation and reduce the stress on the secondary diode.
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.
Here, pulse by pulse. Turn On Delay Time.
The voltage on the output capacitors is progressively increased with the intention of smoothly establishing the required output volt- age.
It is not until Vcc reaches the. This device is an integrated high voltage power switching regulator which combine an avalanche rugged Sense FET with a current mode PWM control block. The pulse width to the power switching device is progres- sively increased to establish the correct working conditions for transformers, inductors, and capacitors. Adapt- Open Adapt- Open. In order to avoid undes- ired activation of OVP during normal operation, Vcc should be properly designed to be below 19V.
This device is a basic. In addition to start-up, soft. Drain to Source Peak Current Limit. This device is an integrated. Minimizing the length of the trace connecting this pin to datasjeet transformer will decrease leak- age inductance.
UVLO upper threshold 12V that the internal start-up switch opens and de. When the gate turn-on. Although connected to an auxiliary transform. When compared to a discrete. Frequency Change With Temperature 2.