SG2525AP datasheet(9/12 Pages) STMICROELECTRONICS

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SG2525AP Scheda tecnica(PDF) 9 Page - STMicroelectronics

Il numero della parte	SG2525AP

Spiegazioni elettronici	REGULATING PULSE WIDTH MODULATORS

PDF	12 Pages

Scroll/Zoom	100%

Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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9 / 12 page

Figure 10.

Figure 11.

For single-ended supplies, the driver outputs are

grounded.The VC terminal is switched to groundby

the totem-pole source transistors on alternate oscil-

lator cycles.

In conventional push-pull bipolar designs, forward

base drive is controlled by R1 -R3. Rapid turn-off

times for the power devices are achieved with

speed-up capacitors C1 and C2.

The low source impedanceof the outputdrivers pro-

vides rapid charging of Power Mos input capaci-

tance while minimizing external components.

Low power transformers can be driven directly.

Automaticreset occurs during deadtime, when both

ends of the primary winding are switched to ground.

Figure 8.

Figure 9.

SG2525A-SG3525A

9/12

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