TDF5242 データシートの表示（PDF） - Philips Electronics

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TDF5242

Brushless DC motor drive circuit

Philips Electronics 

Philips Semiconductors

Brushless DC motor drive circuit

Preliminary specification

TDF5242T

SYMBOL

PARAMETER

AMP OUT (open collector)

Isink

output sink current

Vsat

saturation voltage

VO

output voltage

SR

slew rate

gm(tr)

transfer gain

DIR

VIL

LOW level input voltage (reverse

rotation)

VIH

HIGH level input voltage (normal

rotation)

IIL

LOW level input current (reverse

rotation)

IIH

HIGH level input current (normal

rotation)

BRAKE

VBM

brake-mode voltage

II

input current

FG (push-pull)

VOL

LOW level output voltage

VOH

HIGH level output voltage

tTHL

HIGH-to-LOW transition time

f--c-f--oF--m-G---m--

CAP-ST

Isink

Isource

VSWL

VSWH

ratio of FG frequency and

commutation frequency

output sink current

output source current

LOW level switching voltage

HIGH level switching voltage

CONDITIONS

MIN.

II = 40 mA

RL = 330 Ω; CL = 50 pF

40

−

−0.5

40

0.3

reverse mode;

−

4 V < VP < 18 V

normal mode;

2.7

4 V < VP < 18 V

reverse mode;

−

Tamb = 25 °C

normal mode;

−

Tamb = 25 °C

enable brake mode;

−

4 V < VP < 18 V

normal mode;

2.7

4 V < VP < 18 V

brake mode; Tamb = 25 °C −

normal mode;

−

Tamb = 25 °C

IO = 1.6 mA

−

IO = −60 µA

−

Tamb = 25 °C;

−

CL = 50 pF; RL = 10 kΩ

Tamb = 25 °C

−

Tamb = 25 °C

Tamb = 25 °C

1.5

−2.5

−

−

TYP. MAX. UNIT

−

−

mA

1.5

2.1

V

−

+18

V

−

−

mA/µs

−

−

S

−

2.3

V

−

−

V

−20

−

µA

0

−

µA

−

2.3

V

−

−

V

−20

−30

µA

0

20

µA

−

0.4

V

VP − 0.3 −

V

0.5

−

µs

1

−

2.0

2.5

µA

−2.0

−1.5

µA

0.20

−

V

2.20

−

V

1997 Sep 12

11

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