ML4426
ELECTRICAL CHARACTERISTICS (Continued)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
LOGIC INPUTS (BRAKE, F/R) (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 ]
