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ML4428 Datasheet(PDF) 5 Page - Micro Linear Corporation

Part # ML4428
Description  Sensorless Smart-Start??BLDC PWM Motor Controller
Download  16 Pages
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Manufacturer  MICRO-LINEAR [Micro Linear Corporation]
Direct Link  http://www.microlinear.com
Logo MICRO-LINEAR - Micro Linear Corporation

ML4428 Datasheet(HTML) 5 Page - Micro Linear Corporation

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5
ML4428
ELECTRICAL CHARACTERISTICS (Continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Output Drivers
VP High
IP = –10µA
VCC – 1.2
V
VP Low
0.7
1.2
V
Ip Low
VP = 1V
0°C to 70°C
2.5
4
6
mA
–40°C to 85°C
1.5
4
6
mA
P Comparator Threshold
VCC – 3.0
V
VN High
VPIN12 = 0V
VCC – 1.2
V
VN Low
IN = 1mA
0.7
1.2
V
N Comparator Threshold
3V
Speed Control
fPWM
COSC = 1nF
20
25
36
kHz
gm Current
±160
µA
CSC Positive Clamp
2.9
3.1
3.35
V
CISC Positive Clamp
5.2
5.5
5.6
V
CISC Negative Clamp
1.2
1.7
1.9
V
VREF
5.5
5.9
6.5
V
Supply
VCC Current
18
25
32
mA
Note 1: Limits are guaranteed by 100% testing, sampling or correlation with worst case test conditions.
Note 2: F/R and BRAKE have internal 17k
W pull-up resistors to an internal 5V reference.
Note 3: VFLT and VCO have internal 4.3kW pull-up resistors to an internal 5V reference.
Note 4: For explanation of states, see Figure 6 and Table 1.


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