CAT32 datasheet(4/14 Pages) CATALYST

Part #	CAT32

Description	CMOS White LED Driver

Download	14 Pages

Scroll/Zoom	100%

Manufacturer	CATALYST [Catalyst Semiconductor]

Direct Link	http://www.catalyst-semiconductor.com

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4 / 14 page

CAT32

4

Doc. No. 5001, Rev. AC

TYPICAL CHARACTERISTICS

VIN=3.6V, TAMB=25˚C, CIN=4.7

µF, COUT=1µF, L=6.8µH, unless otherwise specified.

Quiescent Current vs. Input Voltage

200

300

400

500

600

23

4

5

67

INPUT VOLTAGE [V]

Quiescent Current vs. Temperature

200

300

400

500

600

-50

-25

0

25

50

75

100

125

VIN = 7V

VIN = 2V

Switching Frequency vs. Input Voltage

0.00

0.40

0.80

1.20

1.60

2.00

23

45

67

INPUT VOLTAGE [V]

Switching Frequency vs. Temperature

0.0

0.4

0.8

1.2

1.6

2.0

-50

-25

0

25

50

75

100

125

LED Current vs. Input Voltage

0

5

10

15

20

25

30

35

23

45

67

INPUT VOLTAGE [V]

Rset = 1.5k

Rset = 2.26k

Rset = 750

Rset = 1.13k

LED Current vs. Temperature

0

5

10

15

20

-50

-25

0

25

50

75

100

125

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