DM505 datasheet(225/295 Pages) TI2

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DM505

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SPRS976E – NOVEMBER 2016 – REVISED MAY 2018

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Applications, Implementation, and Layout

Figure 7-14. PDN’s Target impedance

1.Voltage Rail Drop includes regulation accuracy, voltage distribution drops, and all dynamic events

such as transient noise, AC ripple, voltage dips etc.

2.Typical max transient current is defined as 50% of max current draw possible.

7.3.2

Voltage Decoupling

Recommended power supply decoupling capacitors main characteristics for commercial products whose

ambient temperature is not to exceed +85C are shown in table below:

Table 7-1. Commercial Applications Recommended Decoupling Capacitors Characteristics(1)(2)(3)

Value

Voltage

[V]

Package

Stability

Dielectric

Capacitan

Tolerance

Temp

Range [°C]

Temp

Sensitivity

[%]

REFERENCE

22µF

6,3

0603

Class 2

X5R

- / + 20%

-55 to + 85

- / + 15

GRM188R60J226MEA0L

10µF

4,0

0402

Class 2

X5R

- / + 20%

-55 to + 85

- / + 15

GRM155R60G106ME44

4.7µF

6,3

0402

Class 2

X5R

- / + 20%

-55 to + 85

- / + 15

GRM155R60J475ME95

2.2µF

6,3

0402

Class 2

X5R

- / + 20%

-55 to + 85

- / + 15

GRM155R60J225ME95

1µF

6,3

0201

Class 2

X5R

- / + 20%

-55 to + 85

- / + 15

GRM033R60J105MEA2

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