CL220 데이터 시트보기 (PDF) - Supertex Inc

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CL220

Simple, 220V, 20mA, Temperature-Compensated, Constant Current, LED Driver IC

Supertex Inc 

Fig. 4 Output Characteristics

30

25

20

15

10

5

00

5

10

15

CL220

scale change

20

60

100

140

180

220

VA-B (V)

Fig. 5 Timing Diagram

VT

VA-B

0V

IA-B

0mA

Turn-on overshoot due to

tDLY

start-up characteristics

of internal circuitry

tRISE

tOS

IOS

100%

90%

10%

Inrush spike due to charging

of parasitic capacitances

and dV/dt CDG feed-thru

Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com

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