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ML4425 데이터시트(PDF) 5 Page - Fairchild Semiconductor

부품명 ML4425
상세설명  Sensorless BLDC Motor Controller
Download  16 Pages
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제조업체  FAIRCHILD [Fairchild Semiconductor]
홈페이지  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

ML4425 데이터시트(HTML) 5 Page - Fairchild Semiconductor

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PRODUCT SPECIFICATION
ML4425
REV. 1.0.2 7/2/01
5
Notes:
1. Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions.
2. For explanation of states, see Figure 4 and Table 1.
3. The BRAKE and UV FAULT pins each have an internal 4k
Ω resistor to the internal reference.
Logic Outputs (VCO/TACH, UV FAULT) (Note 3)
VCO/TACH Output High Voltage IOUT = –100µA
2.2
V
VCO/TACH Output Low Voltage
IOUT = 400µA
0.6
V
UV FAULT Output High Voltage
IOUT = –10µA
C Suffix
3.4
4.5
5.4
V
I Suffix
3.2
5.6
V
UV FAULT Output Low Voltage
IOUT = 400µA
0.6
V
Back-EMF Sampler
SPEED FB Align Mode Voltage
125
250
mV
SPEED FB Ramp Mode Current
C Suffix
500
720
nA
I Suffix
500
750
nA
SPEED FB Run Mode Current
State A, CRT = 5V,
VPHB = VDD/3
C Suffix
30
90
µA
I Suffix
27
90
µA
State A, CRT = 5V, VPHB = VDD/2
–15
15
µA
State A, CRT = 5V,
VPHB = 2↔VDD/3
C Suffix
–90
–30
µA
I Suffix
–90
–27
µA
Output Drivers
High Side Driver Output Low
Current
VHX
= 2V
0.5
1.2
mA
High Side Driver Output High
Voltage
IHX
= –10µAVCC – 1.3
V
Low Side Driver Output Low
Voltage
ILX
= 1mA
0.2
0.7
V
Low Side Driver Output High
Voltage
V(ISENSE) = 0V
C Suffix VDD – 2.2
V
I Suffix
VDD – 2.9
V
Phase C Cross-conduction
Lockout Threshold
VDD – 3.0
V
Supply
IDD
VDD Current
32
50
mA
UVLO Threshold
C Suffix
8.8
9.5
10.2
V
I Suffix
8.6
10.3
V
UVLO Hysteresis
150
mV
Electrical Characteristics (continued)
Unless otherwise specified, VDD = 12V ± 10%, RSENSE = 1Ω, CVCO = 10nF, CIOS = 100pF, RREF = 137kΩ,
TA = Operating Temperature Range (Notes 1, 2).
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Units


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