CAT3636 datasheet(4/14 Pages) ONSEMI

Part #	CAT3636

Description	6-Channel Quad-Mode Fractional LED Driver in TQFN 3x3

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Manufacturer	ONSEMI [ON Semiconductor]

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CAT3636

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TYPICAL PERFORMANCE CHARACTERISTICS

(VIN = 3.6 V, IOUT = 120 mA (6 LEDs at 20 mA), CIN = COUT = C1 = C2 = 1 mF, TAMB = 25°C unless otherwise specified.)

40

50

60

70

80

90

100

2.0

2.5

3.0

3.5

4.0

4.5

INPUT VOLTAGE (V)

1x

1.33x

1.5x

2x

IOUT = 40 mA

Figure 3. Efficiency vs. Input Voltage

40

50

60

70

80

90

100

3.0

3.2

3.4

3.6

3.8

4.0

4.2

INPUT VOLTAGE (V)

Traditional 1.5x

Charge Pump

Figure 4. Efficiency vs. Li−Ion Voltage

−10

−8

−6

−4

−2

0

2

4

6

8

10

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

INPUT VOLTAGE (V)

Figure 5. LED Current Change vs. Input

Voltage

−10

−8

−6

−4

−2

0

2

4

6

8

10

−40

−20

0

20

40

60

80

TEMPERATURE (°C)

0

1

2

3

4

5

6

2.0

2.5

3.0

3.5

4.0

4.5

5.0

5.5

INPUT VOLTAGE (V)

Figure 6. LED Current Change vs.

Temperature

Figure 7. Quiescent Current vs. Input Voltage

VF = 3.3 V

VF = 3.0 V

VF = 3.3 V

Similar Part No. - CAT3636

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Catalyst Semiconductor	CAT3636	436Kb / 15P	6-Channel Quad-ModeTM Fractional LED Driver in TQFN3x3
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CAT3636 Datasheet(PDF) 4 Page - ON Semiconductor

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