ML4425
ELECTRICAL CHARACTERISTICS (Continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
LOGIC INPUTS (BRAKE) (Note 3)
VIH
VIL
IIH
IIL
Input High Voltage
Input Low Voltage
Input High Current
Input Low Current
2
V
V
0.8
VIH = 2.4V
2.4
2.9
mA
mA
VIL = 0.4V
LOGIC OUTPUTS (VCO/TACH, UV FAULT) (Note 3)
VCO/TACH Output High Voltage
IOUT = –100µA
IOUT = 400µA
IOUT = –10µA
2.2
V
V
V
V
V
VCO/TACH Output Low Voltage
0.6
5.4
5.6
0.6
UV FAULT Output High Voltage
C Suffix
ISuffix
3.4
3.2
4.5
UV FAULT Output Low Voltage
BACK-EMF SAMPLER
IOUT = 400µA
SPEED FB Align Mode Voltage
SPEED FB Ramp Mode Current
125
250
720
750
90
mV
nA
nA
µA
µA
µA
µA
µA
C Suffix
ISuffix
C Suffix
ISuffix
500
500
30
SPEED FB Run Mode Current
State A, CRT = 5V,
VPHB = VDD/3
27
90
State A, CRT = 5V, VPHB = VDD/2
–15
–90
–90
15
State A, CRT = 5V,
C Suffix
ISuffix
–30
–27
VPHB = 2´VDD/3
OUTPUT DRIVERS
High Side Driver Output Low Current
High Side Driver Output High Voltage
Low Side Driver Output Low Voltage
Low Side Driver Output High Voltage
VHX = 2V
0.5
1.2
0.7
mA
V
IHX = –10µA
ILX = 1mA
VCC – 1.3
0.2
V
V(ISENSE) = 0V
C Suffix VDD – 2.2
ISuffix VDD – 2.9
V
V
Phase C Cross-conduction Lockout Threshold
VDD – 3.0
V
SUPPLY
IDD
VDD Current
32
50
mA
V
UVLO Threshold
C Suffix
ISuffix
8.8
8.6
9.5
10.2
10.3
V
UVLO Hysteresis
150
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
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
