AN2928 datasheet(5/21 Pages) STMICROELECTRONICS

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AN2928 数据表(PDF) 5 Page - STMicroelectronics

部件名	AN2928

功能描述	Modified buck converter for LED applications

PDF	21 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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AN2928 数据表(HTML) 5 Page - STMicroelectronics

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AN2928

Modified buck converter in constant current mode

5/21

Figure 2.

Modified buck converter - tOFF time

AM00367

GND

L6562A

COMP

INV

LEDs

load

Fixed off-time

C 3

I LED

FOT

tOFF

tON

tON tOFF

I_MAX

I_AVR

I_MIN

tOFF

FOT- fixed off-time

VIN

network

VCC

MULT

ZCD

Html Pages

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