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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Delay current 5uA charges the Cfb. Minimizing the length of the trace connecting this pin to the transformer will decrease leak- age inductance. 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.
DLR (SEMICOA) PDF技术资料下载 DLR 供应信息 IC Datasheet 数据表 (3/20 页)
Pin Configuration Top View 3. Once the Vcc reaches. When compared to a discrete. The typical soft start time is. In order to prevent this situation, an over. A feedback voltage of 6V trig. 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. The Drain pin is designed to connect directly to the primary lead of the trans.
Positive supply voltage input. It has a 0. In case of malfunc.
DLR Datasheet PDF – Fairchild Semiconductor
Drain to Source Peak Current Limit. The voltage across the resistor is then compared with a preset AOCP level. Startup Voltage Vstr Breakdown.
Sense Datasheeg source terminal on primary side and internal control ground. In addition to start-up, soft. It is not until Vcc reaches the UVLO upper threshold 12V that the internal start-up switch opens and de- vice power is supplied via the auxiliary transformer winding.
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 overload conditions. Current Limit Delay 3. Turn Off Delay Time.
Internal Soft Start Time. It also helps to prevent transformer saturation and reduce the stress on the secondary diode. In order to prevent this situation, an over voltage protection OVP circuit is employed. Typical continuous power in a non-ven.
The voltage on the output capacitors is progressively increased with the intention of smoothly establishing the required output volt- age. The feedback voltage pin is the non-inverting input to the PWM comparator.
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Turn On Delay Time. Vcc instead of directly monitoring the output voltage.
Pin to adjust the current limit of the Sense FET. The integrated PWM controller features.
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If this pin is tied to Vcc or left floating, the typical current limit will be 1. There is a time delay while charging. At start up the internal switch supplies internal bias and charges an external storage capacitor placed between the Vcc pin and ground.
The voltage across the resistor is then compared with a. This pin connects directly to the rectified AC line voltage source. Although connected to an auxiliary transform. This device is an integrated.