SPC563M60X datasheet(79/128 Pages) STMICROELECTRONICS

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SPC563M64x, SPC563M60x

Electrical characteristics

127

Table 17, Table 18 and Table 19 show the required component values for the three different

options.

Table 16. Required external PMC component values

Component

Symbol

Minimum

Typical

Maximum

Units

Comment

Pass Transistor

NJD2873 or

BCP68

VDDREG capacitor

CREG

µF

X7R, -50%/+35%

Pass transistor Collector

bypass capacitor

13.3

µF

X7R, -50%/+35%

Collector resistor(1)

1.1

—

5.6

The collector resistor may not be required. It depends on the allowable power dissipation of the pass transistor (T1).



Table 17. Network 1 component values

Component

Symbol

Minimum

Typical

Maximum

Units

Comment

Transistor emitter

bypass capacitance

4 x 2.35

4 x 4.7

4 x 6.35

µF

X7R, -50%/+35%

1 x 5

1 x 10

1 x 13.5

µF

X7R, -50%/+35%

RESR

550



Equivalent ESR of

CE capacitors

MCU decoupling

capacitor

4 x 50

4 x 100

4 x 135

X7R, -50%/+35%

Base “snubber”

capacitor

1.1

2.2

2.97

µF

X7R, -50%/+35%

Base “snubber” resistor

6.12

6.8

7.48



±10%

Emitter resistor



Not required

(short)

Table 18. Network 2 component values

Component

Symbol

Minimum

Typical

Maximum

Units

Comment

Transistor emitter

bypass capacitance

3 x 2.35

3 x 4.7

3 x 6.35

µF

X7R, -50%/+35%

1 x 5

1 x 10

1 x 13.5

µF

X7R, -50%/+35%

RESR

550



Equivalent ESR of

CE capacitors

MCU decoupling

capacitor

4 x 50

4 x 100

4 x 135

X7R, -50%/+35%

Base “snubber”

capacitor

1.1

2.2

2.97

µF

X7R, -50%/+35%

Base “snubber” resistor

910



±10%

Emitter resistor

0.252

0.280

0.308



Not required

(short)

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