L7250 データシートの表示（PDF） - STMicroelectronics

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L7250

5V & 12V SPINDLE AND VCM MOTORS DRIVER

STMicroelectronics 

ELECTRICAL CHARACTERISTCS

ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

VCV1,VCV2,VCV3,VCV4

VCC5 maximum voltage

OUTU1,OUTU2,OUTV1,OUTV2,OUTW1,OUTW2

VCMP1,VCMP2,VCMN1,VCMN2

VM1,VM2

Digital Input Voltage

Operating free-air temperature

Storage Temperature

L7250

Value

Unit

14

V

6

V

-1V to 16

V

-0.3 to VCC5

V

0 to 70

°C

-55 to 150

°C

ELECTRICAL CHARACTERISTCS

POWER SUPPLY [VCC5 & VCV] VCC5 = 5V ±10%, VCV = 12V ±10%. Tamb = 25°C (unless otherwise specified)

Symbol

Parameter

Test Condition

Min. Typ. Max. Unit

POWER MONITOR, SUPPLY CURRENTS, ETC.

Icc5 VCC5 Operating current

Spindle and VCM enabled, no

load

Ivcv VCV + VRET Operating current Spindle and VCM enabled, no

load

CHARGE PUMP VOLTAGE BOOSTER

VBOOS Charge pump output voltage

T

VCV = 12V

Iload = 5mA

VBOOS Switching frequency

Tfreq

POWER MONITOR

vt5 VCC5 threshold

vt12 VCC12 threshold

hv5 VCC5 hysteresis

hv12 VCC12 hysteresis

vt33 V33 Threshold

hv33 V33 Hysteresis

vt18 V18 Threshold (at pin 25_FEED)

hv18 V18Hysteresis

NPORlow NPOR low level output voltage VCV > 4.5V Iol = 5mA

9

mA

44

mA

18.5

V

1

MHz

4.0 4.175 4.35

V

9

9.5

10

V

40

100 160 mV

100 200 300 mV

2.7

2.8

2.9

V

20

40

60

mV

1.07 1.12 1.17

V

25

50

75

mV

0.75

V

5/46

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