DM0365R DATASHEET PDF

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No Preview Available! Both devices are integrated high voltage power switching regulators which combine an avalanche rugged Sense FET with a current mode PWM control block. Both devices pro- vide a basic platform that is well suited for the design of cost- effective flyback converters.

Positive supply voltage input. 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. 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. The feedback voltage pin is the non-inverting input to the PWM comparator.

It has a 0. A feedback voltage of 6V trig- gers over load protection OLP. There is a time delay while charging external capacitor Cfb from 3V to 6V using an internal 5uA current source. This time delay prevents false triggering under transient conditions, but still allows the protection mechanism to operate under true overload conditions. This pin adjusts the peak current limit of the Sense FET. The feedback 0. If this pin is tied to Vcc or left floating, the typical peak cur- rent limit will be 2.

This pin connects directly to the rectified AC line voltage source. At start up the internal switch supplies internal bias and charges an external storage capacitor placed between the Vcc pin and ground. Once the Vcc reaches 12V, the internal switch is opened. The drain pins are designed to connect directly to the primary lead of the transformer and are capable of switching a maximum of V.

Minimizing the length of the trace connecting these pins to the transformer will decrease leakage inductance. PDF ] Liens de partage. Advanced Burst-Mode Operation. Related Application Notes. FET, and is specifically designed for high performance off-line. Both devices are integrated high voltage power. The inte-. When com-. Both devices pro-. Adapt- Open.

Notes :. Typical continuous power in a non-ventilated enclosed. Maximum practical continuous power in an open frame. Typical Circuit. Vstr Drain. Vfb Vcc Source. Pin Definitions. Pin Number. Pin Name. Pin Function Description. Sense FET source terminal on primary side and internal control ground. Although connected to an auxiliary transform-. It is not until Vcc reaches the. UVLO upper threshold 12V that the internal start-up switch opens and de-.

A feedback voltage of 6V trig-. There is a time delay while charging. This time delay prevents false triggering under transient conditions, but still. The feedback. If this pin is tied to Vcc or left floating, the typical peak cur-.

At start up. Once the Vcc reaches. The drain pins are designed to connect directly to the primary lead of the. Pin Configuration. GND 1. Vcc 2. Vfb 3. Ipk 4. Figure 3. Pin Configuration Top View. External Current Limit not applicable. Frequency Modulation not applicable. Burst Mode Operation not applicable. Drain Creepage at. Programmable of. Built into controller. PDF ]. Fairchild Semiconductor. Monolithic low-power CMOS device combining a programmable timer.

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Dm0365r datasheet

Internal Ava. Consumes only 0. Internal Start-up Circuit? Pulse by Pulse Current Limiting? Abnormal Over Current Protection?

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DM0365R - Search --To FSDM0365R

It offers a large amount of data sheet, You can free PDF files download. The updated every day, always provide the best quality and speed. Advanced Burst-Mode Operation. Related Application Notes. FET, and is specifically designed for high performance off-line. Both devices are integrated high voltage power.

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DM0365R Datasheet PDF

No Preview Available! Both devices are integrated high voltage power switching regulators which combine an avalanche rugged Sense FET with a current mode PWM control block. Both devices pro- vide a basic platform that is well suited for the design of cost- effective flyback converters. Positive supply voltage input. 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.

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