ML4425 Ver la hoja de datos (PDF) - Micro Linear Corporation
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Fabricante
ML4425 Datasheet PDF : 16 Pages
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ELECTRICAL CHARACTERISTICS (Continued)
ML4425
SYMBOL
PARAMETER
LOGIC INPUTS (BRAKE) (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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