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L7250 数据表(PDF) 5 Page - STMicroelectronics

部件名 L7250
功能描述  5V & 12V SPINDLE AND VCM MOTORS DRIVER
PDF  46 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L7250 数据表(HTML) 5 Page - STMicroelectronics

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L7250
ELECTRICAL CHARACTERISTCS
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCV1,VCV2,VCV3,VCV4
14
V
VCC5 maximum voltage
6
V
OUTU1,OUTU2,OUTV1,OUTV2,OUTW1,OUTW2
VCMP1,VCMP2,VCMN1,VCMN2
VM1,VM2
-1V to 16
V
Digital Input Voltage
-0.3 to VCC5
V
Operating free-air temperature
0 to 70
°C
Storage Temperature
-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
9mA
Ivcv
VCV + VRET Operating current
Spindle and VCM enabled, no
load
44
mA
CHARGE PUMP VOLTAGE BOOSTER
VBOOS
T
Charge pump output voltage
VCV = 12V
Iload = 5mA
18.5
V
VBOOS
Tfreq
Switching frequency
1
MHz
POWER MONITOR
vt5
VCC5 threshold
4.0
4.175
4.35
V
vt12
VCC12 threshold
9
9.5
10
V
hv5
VCC5 hysteresis
40
100
160
mV
hv12
VCC12 hysteresis
100
200
300
mV
vt33
V33 Threshold
2.7
2.8
2.9
V
hv33
V33 Hysteresis
20
40
60
mV
vt18
V18 Threshold (at pin 25_FEED)
1.07
1.12
1.17
V
hv18
V18Hysteresis
25
50
75
mV
NPORlow
NPOR low level output voltage
VCV > 4.5V Iol = 5mA
0.75
V



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