TDA5241 datasheet(8/19 Pages) PHILIPS

8 / 19 page

Philips Semiconductors

Product specification

TDA5241

Brushless DC motor drive circuit

March 1997

8/19

Symbol

Unit

Max

Typ

Min

Conditions

Parameter

PG OUT (open collector)

VOL

Output voltage LOW

IO = 1.6 mA

–

0.4

VOHmax

Output voltage HIGH

–

tTHL

Transition time

HIGH-to-LOW;

CL = 50 pF;

RL = 10 k

–

0.5

–

tPL

Pulse width LOW

–

FG/PG (open collector)

VOL

Output voltage LOW

IO =1.6 mA

–

0.4

VOHmax

Maximum output voltage HIGH

–

tTHL

Transition time

HIGH–to–LOW

CL = 50 pF

RL = 10 k

–

0.5

–

Ratio of FG frequency and

commutation frequency

–

1:2

–

Duty factor

–

tPL

Pulse width LOW

after a PG IN pulse

CAP–ST

Output sink current

1.5

2.0

2.5

Output source current

–2.5

–2.0

–1.5

VSWL

Lower switching level

–

0.20

–

VSWM

Middle switching level

–

0.30

–

VSWH

Upper switching level

–

2.20

–

CAP–TI

Output sink current

IOH

Output source current HIGH

–70

–63

–56

IOL

Lower source current LOW

–6.0

–5.3

–4.6

VSWL

Lower switching level

–

VSWM

Middle switching level

–

0.30

–

VSWH

Upper switching level

–

2.20

–

CAP–CDM

Output sink current

10.6

16.2

Output source current

–5.3

–8.1

–11

II/IO

Ratio of sink to source current

1.85

2.05

2.25

VIL

Input voltage level LOW

780

860

940

VIH

Input voltage level HIGH

2.3

2.4

2.55

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