CAT3603 datasheet(4/11 Pages) ONSEMI

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CAT3603

http://onsemi.com

TYPICAL CHARACTERISTICS

(VIN = 3.6 V, IOUT = 60 mA (3 LEDs at 20 mA), C1 = C2 = CIN = COUT = 1 mF, TAMB = 25°C unless otherwise specified.)

Figure 2. Efficiency vs. Input Voltage

(3 LEDs on)

Figure 3. Efficiency vs. Total LED Current

(3 LEDs)

INPUT VOLTAGE (V)

LED CURRENT (mA)

3.0

3.2

3.4

3.6

3.8

4.0

4.2

100

Figure 4. Quiescent Current vs. Input Voltage

(1x Mode)

Figure 5. Quiescent Current vs. Temperature

(1x Mode)

INPUT VOLTAGE (V)

TEMPERATURE (°C)

4.2

4.0

3.8

3.6

3.4

3.2

3.0

0.2

0.4

0.6

0.8

120

−40

0.2

0.4

0.6

0.8

Figure 6. Quiescent Current vs. Input Voltage

(1.5x Mode)

Figure 7. Quiescent Current vs. Temperature

(1.5x Mode)

INPUT VOLTAGE (V)

TEMPERATURE (°C)

4.2

4.0

3.8

3.6

3.4

3.2

3.0

1.0

2.0

3.0

4.0

5.0

6.0

120

−40

1.0

2.0

3.0

4.0

5.0

6.0

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)

LEDs Off

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