CAT3606 datasheet(6/11 Pages) ONSEMI

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CAT3606

http://onsemi.com

TYPICAL CHARACTERISTICS

(VIN = 3.6 V, EN = VIN, ENM = ENS = GND, CIN = COUT = 1 mF, RSET = 24 kW (20 mA per LED), TAMB = 25°C, unless otherwise specified.)

Figure 3. Efficiency vs. Input Voltage

(6 LEDs)

Figure 4. Efficiency vs. Total LED Current

(6 LEDs)

INPUT VOLTAGE (V)

TOTAL LED CURRENT (mA)

3.0

3.2

3.4

3.6

3.8

4.0

4.2

100

200

150

100

Figure 5. LED Current vs. Input Voltage

Figure 6. LED Current Change vs.

Temperature

INPUT VOLTAGE (V)

TEMPERATURE (°C)

4.2

4.0

3.8

3.6

3.4

3.2

3.0

−1.5

−1.0

−0.5

0.5

1.5

125

−25

−50

−4

−2

Figure 7. Ground Current vs. Input Voltage

(1x Mode)

Figure 8. Ground Current vs. Temperature

(1x Mode)

INPUT VOLTAGE (V)

TEMPERATURE (°C)

4.2

4.0

3.8

3.6

3.4

3.2

3.0

0.1

0.2

0.3

0.4

0.5

100

−40

0.1

0.2

0.3

0.4

0.5

1x Mode

1.5x Mode

20 mA per LED

15 mA per LED

VIN = 4 V (1x Mode)

VIN = 3.2 V (1.5x Mode)

6 LEDs at 15 mA

VIN = 4 V

6 LEDs Off

6 LEDs at 15 mA

1.0

100

6 LEDs OFF

RSET = 500 kW

−20

−3

−1

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