CAT4201TD-GT3 datasheet(3/15 Pages) CATALYST

Part #	CAT4201TD-GT3

Description	350mA High Efficiency Step Down LED Driver

Download	15 Pages

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Manufacturer	CATALYST [Catalyst Semiconductor]

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

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CAT4201

3

Doc. No. MD-5025 Rev. D

Characteristics subject to change without notice

Typical Operation Characteristics

VIN = 13V, ILED = 300mA, L = 22μH, C1= 4.7μF, C2 = 10μF, TAMB = 25°C unless otherwise specified

Input Operating Supply Current

0.0

0.2

0.4

0.6

0.8

1.0

8 10 1214 1618 20 2224

INPUT VOLTAGE [V]

Idle Mode Supply Current (CTRL = 0V)

0

50

100

150

200

0

4

8

1216

2024

INPUT VOLTAGE [V]

CTRL Input Bias Current

0

50

100

150

200

250

02

468

10

12

CTRL VOLTAGE [V]

RSET Voltage vs. Temperature

1.10

1.15

1.20

1.25

1.30

-40

0

40

80

120

TEMPERATURE [°C]

VIN = 13V

RSET Voltage vs. CTRL Voltage

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

01

2

34

CTRL VOLTAGE [V]

+25°C

-40°C

+ 85°C

LED Current vs. RSET

0

100

200

300

400

5

10

152025

3035

RSET [kΩ]

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CAT4201TD-GT3 Datasheet(PDF) 3 Page - Catalyst Semiconductor

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