LM2751SD-B datasheet(7/19 Pages) TI

Part #	LM2751SD-B

Description	LM2751 Regulated 2X, 1.5X Switched Capacitor White LED Driver

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Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

INPUT VOLTAGE (V)

IOUT = 0

FSW = 725 kHz

FSW = 300 kHz

0.50

0.70

0.90

1.10

1.30

1.50

1.70

TA = 25°C

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

INPUT VOLTAGE (V)

IOUT = 0

FSW = 725 kHz

FSW = 300 kHz

TA = 25°C

0.5

0.7

0.9

1.1

1.3

1.5

0

15

30

45

60

75

90

OUTPUT CURRENT (mA)

4.98

5.01

5.03

5.06

5.08

VIN = 3.3V

VIN = 3.6V

VIN = 2.8V

VIN = 4.2V

VIN = 5.5V

0

20

40

60

80

100 120 140 160

OUTPUT CURRENT (mA)

4.45

4.48

4.51

4.54

4.57

4.60

VIN = 4.2V

VIN = 2.8V

VIN = 5.5V

VIN = 3.6V

VIN = 3.3V

0

10

20

30

40

50

60

70

OUTPUT CURRENT (mA)

5.00

5.03

5.05

5.08

5.10

VIN = 3.3V

VIN = 2.8V

VIN = 3.6V

VIN = 4.2V

VIN = 5.5V

0

13 26 39 52 65 78 91 104 117 130

OUTPUT CURRENT (mA)

VIN = 4.2V

VIN = 2.8V

VIN = 5.5V

VIN = 3.6V

VIN = 3.3V

4.50

4.52

4.54

4.56

4.58

4.60

LM2751

www.ti.com

SNVS299B – APRIL 2005 – REVISED MAY 2013

TYPICAL PERFORMANCE CHARACTERISTICS

Unless otherwise specified: TA = 25°C, VIN = 3.6V, CS0 = CS1 = VIN, V(EN) = VIN, CIN = COUT = 2.2µF, C1 = C2 = 1µF.

Output Voltage

vs.

Output Current, Version A (5V), 300kHz

Output Current, Version B (4.5V), 300kHz

Figure 2.

Figure 3.

Output Voltage

vs.

Output Current, Version A (5V), 725kHz

Output Current, Version B (4.5V), 725kHz

Figure 4.

Figure 5.

Input Current

vs.

Input Voltage, Version A (5V)

Input Voltage, Version B (4.5V)

Figure 6.

Figure 7.

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