ML4426 데이터 시트보기 (PDF) - Micro Linear Corporation
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ML4426 Datasheet PDF : 16 Pages
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ELECTRICAL CHARACTERISTICS (Continued)
ML4426
SYMBOL
PARAMETER
LOGIC INPUTS (BRAKE, F/R) (Note 3)
CONDITIONS
MIN
TYP
VIH Input High Voltage
VIL Input Low Voltage
IIH Input High Current
IIL
Input Low Current
LOGIC OUTPUTS (VCO/TACH, UV FAULT) (Note 3)
VIH = 2.4V
VIL = 0.4V
2
2.4
2.9
VCO/TACH Output High Voltage
VCO/TACH Output Low Voltage
UV FAULT Output High Voltage
UV FAULT Output Low Voltage
BACK-EMF SAMPLER
IOUT = –100µA
IOUT = 400µA
IOUT = –10µA
IOUT = 400µA
2.2
C Suffix 3.4
4.5
I Suffix 3.2
SPEED FB Align Mode Voltage
125
SPEED FB Ramp Mode Current
C Suffix 500
I Suffix 500
SPEED FB Run Mode Current
OUTPUT DRIVERS
State A, CRT = 5V,
C Suffix 30
VPHB = VDD/3
I Suffix 27
State A, CRT = 5V, VPHB = VDD/2
–15
State A, CRT = 5V,
C Suffix –90
VPHB = 2´VDD/3
I Suffix –90
High Side Driver Output Low Current
VHX = 2V
0.5
High Side Driver Output High Voltage
Low Side Driver Output Low Voltage
Low Side Driver Output High Voltage
IHX = –10µA
ILX = 1mA
V(ISENSE) = 0V
SUPPLY
Phase C Cross-conduction Lockout Threshold
VCC – 1.3
0.2
C Suffix VDD – 2.2
I Suffix VDD – 2.9
VDD – 3.0
IDD VDD Current
UVLO Threshold
32
C Suffix 8.8
9.5
I Suffix 8.6
UVLO Hysteresis
150
MAX
0.8
0.6
5.4
5.6
0.6
250
720
750
90
90
15
–30
–27
1.2
0.7
50
10.2
10.3
UNITS
V
V
mA
mA
V
V
V
V
V
mV
nA
nA
µA
µA
µA
µA
µA
mA
V
V
V
V
V
mA
V
V
mV
Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst case test conditions.
Note 2: For explanation of states, see Figure 4 and Table 1.
Note 3: The BRAKE and UV FAULT pins each have an internal 4kW resistor to the internal reference.
5
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