MM5450BV Просмотр технического описания (PDF) - Micrel

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Компоненты Описание

производитель

MM5450BV

LED Display Driver

Micrel 

Micrel, Inc.

Typical Performance Characteristics

Figure 7.

MM5450/5451

A

J

20 SEGM

LED

Figure 8.

Figure 9.

Typical Applications

RAW DC

>9V

7V

LM317

240

5k

I19 = 1K

–

LM324

+

5V

20

1

1k

I19

2N2907

PIN 19

MM5450

Figure 10. Typical Application of Constant Current

Brightness Control

5V

CD4046

(VCO)

MM74HC123 Q 19

10 µS

20

MM5450

1

Figure 11. Brightness Control Varying the Duty Cycle

February 2006

7

M9999-021606

(408) 955-1690

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