TDF5140 datasheet(8/19 Pages) PHILIPS

8 / 19 page

1999 March 15

Philips Semiconductors

Product speciﬁcation

Brushless DC motor drive circuit

TDF5140A

AMP OUT (open collector)

output sink current

−−

Vsat

saturation voltage

II = 40 mA

−

1.5

2.1

output voltage

−0.5

−

+18

slew rate

RL = 330 Ω; CL = 50 pF

−

mA/

µs

Gtr

transfer gain

0.3

−−

PG IN

input voltage

−0.3

−

input bias current

−−

650

input resistance

−

Ω

VCWS

comparator switching level

−

107

Vhys

comparator input hysteresis

−±8

−

PG/FG (open collector)

VOL

LOW level output voltage

IO = 1.6 mA

−−

0.4

VOH(max)

maximum HIGH level output

voltage

−−

tTHL

HIGH-to-LOW transition time

CL = 50 pF; RL = 10 kΩ−

0.5

−µs

ratio of PG/FG frequency and

commutation frequency

−

1 : 2

−

duty factor

−

tPL

pulse width LOW

after a PG IN pulse

µs

CAP-ST

Isink

output sink current

1.5

2.0

2.5

µA

Isource

output source current

−2.5

−2.0

−1.5

µA

VSWL

LOW level switching voltage

−

0.20

−

VSWH

HIGH level switching voltage

−

2.20

−

CAP-TI

Isink

output sink current

−

−µA

Isource

output source current

0.05 V < VCAP-TI < 0.3 V

−−57

−µA

0.3 V < VCAP-TI < 2.2 V

−−5

−µA

VSWL

LOW level switching voltage

−

VSWM

MIDDLE level switching voltage

−

0.30

−

VSWH

HIGH level switching voltage

−

2.20

−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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