10

LP5524

SNVS500B – JULY 2007 – REVISED JUNE 2016

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8.2.2 Detailed Design Procedure

8.2.2.1 Recommended External Components

8.2.2.1.1

using a surface-mount multi-layer ceramic capacitor (MLCC). MLCCs with a X7R or X5R temperature

characteristic are preferred.

Table 2. List Of Recommended External Components

PARAMETER

VALUE

UNIT

TYPE

VDD bypass capacitor

100

nF

Ceramic, X7R or X5R

Current set resistor for 15.9-mA LED current

32.4

k

Ω

1%

LEDs

User defined

8.2.2.1.2

32.4 k

Ω resistor is required. Accuracy of the resistor directly effects to the accuracy of the LED current. TI

recommends accuracy of 1% or better.

(2)

Table 3. Recommended E96 Series (1% Tolerance) Current Set Resistors

169

3.0

34.0

15.1

127

4.1

32.4

15.9

102

5.0

30.1

17.1

84.5

6.1

28.7

17.9

73.2

7.0

26.7

19.3

64.9

7.9

25.5

20.2

56.2

9.2

24.3

21.2

51.1

10.1

23.2

22.2

46.4

11.1

22.1

23.3

42.2

12.2

21.5

24.0

39.2

13.1

20.5

25.1

36.5

14.1