VLED- (V)

800

700

600

500

400

300

200

100

0

0.0

0.5

1.0

1.5

500 mA

100 mA

700 mA

R SET (k:)

1k

900

800

700

600

500

400

300

200

100

0

10

15

20

25

30

35

Torch

Flash

VIN (V)

5.000

4.000

3.000

2.000

1.000

0.000

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

1.5x

1x

VIN (V)

0.04

0.03

0.02

0.01

0.00

2.7

3.1

3.5

3.9

4.3

4.7

5.1

5.5

EN1 = EN2 = 0V

VIN (V)

110

90

70

50

30

10

2.7

3.2

3.7

4.2

4.7

5.2

700 mA

100 mA

500 mA

VIN (V)

1.15

1.13

1.11

1.09

1.07

1.05

2.7

3.2

3.7

4.2

4.7

5.2

6

LM2758

SNVS551E – APRIL 2008 – REVISED MAY 2016

www.ti.com

Product Folder Links: LM2758

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Copyright © 2008–2016, Texas Instruments Incorporated

6.6 Typical Characteristics

Unless otherwise specified: TA = 25°C, VIN = 3.6 V, CIN = COUT = 2.2 µF, C1 = C2 = 1 µF. Capacitors are low-ESR multi-layer

ceramic capacitors (MLCCs). Luxeon PWF1 Flash LED.

Figure 1. Efficiency vs VIN

Figure 2. Oscillator Frequency vs VIN

Figure 3. Quiescent Current vs VIN

Figure 4. Shutdown Current vs VIN

Figure 5. ILED vs VLED–

Figure 6. LED Current vs RSET