LM3532_13 datasheet(9/47 Pages) TI1

9 / 47 page

0.01

0.1

100

fPWM (kHz)

22.0

20.0

18.0

16.0

14.0

12.0

10.0

8.0

6.0

4.0

2.0

0.0

128 160 192 224 256

Code (D)

1.00

0.90

0.80

0.70

0.60

0.50

0.40

0.30

0.20

0.10

0.00

-0.10

2.5

3.0

3.5

4.0

4.5

5.0

5.5

VIN (V)

10.000

8.000

6.000

4.000

2.000

0.000

-2.000

-4.000

-6.000

-8.000

-10.000

85°C

25°C

-40°C

128 160 192 224 256

Code (D)

1.00

0.75

0.50

0.25

0.00

-0.25

-0.50

-0.75

-1.00

2.5

3.1

3.7

4.3

4.9

5.5

VIN (V)

500

450

400

350

300

250

200

150

100

TA = +85°C

TA = +25°C

TA = -40°C

2.5

3.0

3.5

4.0

4.5

5.0

5.5

VIN (V)

2.450k

2.448k

2.446k

2.444k

2.442k

2.440k

2.438k

2.436k

85°C

25°C

-40°C

LM3532

www.ti.com

SNVS653D – JULY 2011 – REVISED JUNE 2013

TYPICAL PERFORMANCE CHARACTERISTICS (continued)

VIN = 3.6V, LEDs (VF = 3.2V@20 mA, TA = 25°C), COUT = 1µF, CIN = 2.2 µF, L = Coilcraft LPS4018 (10 µH or 22 µH), TA =

+25°C unless otherwise specified.

Current Sink Matching vs VIN

ILED1 to ILED2 to ILED3

ALS Resistance vs VIN

(

ΔILED is worst case difference between all three strings)

RALS1, (2.44kΩ setting)

Figure 20.

Figure 21.

ALS Resistor Matching vs VIN

Integral Non Linearity vs Code

(2.44k

Ω setting)

(Endpoint Method)

Figure 22.

Figure 23.

Differential Non Linearity vs Code

Peak to Peak LED Current Ripple vs fPWM

Figure 24.

Figure 25.

Submit Documentation Feedback

Product Folder Links: LM3532

LM3532 Datasheet(PDF) 9 Page - Texas Instruments

LM3532 Datasheet(HTML) 9 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47

Datasheet Download

Link URL