FAN8621B Datasheet, PDF (7/21 Pages) Fairchild Semiconductor – 12V Spindle Motor and Voice Coil Motor Driver IC

FAN8621B
Electrical Characteristics
(Ta=25°C, unless otherwise specified)
Parameter
Symbol
Condition
Min.
POWER SUPPLIES
SUPPLY CURRENT
VDD Line supply current1
IDD1 CNTL1=L,CNTL2=CNTL3=Z (brake) 80-
VDD Line supply current2
IDD2
CNTL1= CNTL2 =CNTL3=Z
(SPM bias enable)
25
VDD Line supply current3
IDD3
CNTL1=CNTL3=H,CNTL2=Z
(SPM,VCM enable)
25
VDD Line supply current4
IDD4 CNTL1=CNTL2=Z,CNTL3= L (retract) 25
VCC Line supply current1
ICC1 CNTL1=L,CNTL2=CNTL3=Z (brake) 2
VCC Line supply current2
ICC2
CNTL1= CNTL2 =CNTL3=Z
(SPM bias enable)
4
VCC Line supply current3
ICC3
CNTL1=CNTL3=H,CNTL2=Z
(SPM,VCM enable)
10
VCC Line supply current4
ICC4 CNTL1=CNTL2=Z,CNTL3=L (retract) 12
SUPPLY MONITOR
Threshold voltage1 for VCC
VTH12A VCC=sweep,VDD=5V
9.05
Threshold voltage2 for VCC
VTH12B VCC=sweep,VDD=5V
8.75
Hysteresis on VCCcomparator VHYS12 VCC=sweep,VDD=5V
0.15
Threshold voltage1 for VDD
VTH5A VCC=12V,VDD=sweep
3.45
Threshold voltage2 for VDD
VTH5B VCC=12V,VDD=sweep
3.30
Hysteresis on V comparator
VHYS5 VCC=12V,VDD=sweep
0.08
POWER ON RESET GENERATOR
Charging current for POR cap ICPOR
−18.0
POR threshold voltage
VTHPOR
1.1
Output high voltage
VPORH
VCC = 12V, VDD= 5V, POR output
current is 1mA
4.5
Output low voltage
VPORL
VCC = 12V, VDD= 5V, POR output
current is 1mA
0
CONTROL INPUTs(CNTL1,CNTL2,CNTL3)
Control input low voltage
VCTL CNTL1=CNTL2=CNTL3=sweep
0.8
Control input high voltage
VCTH CNTL1=CNTL2=CNTL3=sweep
1.85
Control input low current
ICTl CNTL1=CNTL2=CNTL3=sweep
-290
Control input high current
ICTH CNTL1=CNTL2=CNTL3=sweep
55
Typ.
100
35
35
35
7
9
20
19
9.40
9.10
0.3
3.90
3.75
0.15
−14
1.3
-
-
1.3
2.3
-200
110
Max. Unit
120 mA
45 mA
45 mA
45 mA
12 mA
15 mA
60 mA
25 mA
9.75 V
9.45 V
0.45 V
4.15 V
4.00 V
0.23 V
−10 µA
1.5 V
Vdd V
0.5 V
1.7 V
2.75 V
-110 µA
190 µA
7