CAT3200, CAT3200−5

http://onsemi.com

9

Typical Applications

Figure 18. 3.3 V Supply to 5 V

Figure 19. USB Port to Regulated 5 V Power Supply

Figure 20. Lithium−Ion Battery to 5 V White or Blue LED Driver

Figure 21. White or Blue LED Driver with LED Current Control

CAT3200−5

5

3

1

2

100 mA

GND

CAT3200−5

5

3

1

2

GND

5

3

1

2

IN

OUT

SGND

100 Ω

100 Ω

100 Ω

100 Ω

CAT3200−5

Apply PWM Waveform for

Adjustable Brightness Control

3 V to 4.4 V

Li−ion

Battery

t

Drive up to 5 LEDs

100 Ω

+

2

6

8

7

C+

C−

FB

SGND

PGND

82 Ω

82 Ω

82 Ω

82 Ω

82 Ω

CAT3200

Apply PWM Waveform for

Adjustable Brightness Control

3 V to 4.4 V

Li−ion

Battery

t

Up to 6 LEDs

+

1 mF

46

IN

OUT

1 mF

1 mF

3.3 V ± 10%

SHDN

1 mF

5 V ± 4%

SHDN

1 mF

46

IN

OUT

1 mF

5 V ± 4%

1 mF

1 mF

46

C−

C+

1 mF

SHDN

ON OFF

1 mF

5

4

IN

OUT

1 mF

13

1 mF

SHDN

ON OFF