ML4426
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
LOGIC INPUTS (
BRAKE
, F/
R
) (Note 3)
V
IH
V
IL
I
IH
I
IL
Input High Voltage
Input Low Voltage
Input High Current
Input Low Current
V
IH
= 2.4V
V
IL
= 0.4V
2.4
2.9
2
0.8
V
V
mA
mA
(Continued)
CONDITIONS
MIN
TYP
MAX
UNITS
LOGIC OUTPUTS (VCO/TACH,
UV FAULT
) (Note 3)
VCO/TACH Output High Voltage
VCO/TACH Output Low Voltage
UV FAULT Output High Voltage
I
OUT
= –100µA
I
OUT
= 400µA
I
OUT
= –10µA
C Suffix
I Suffix
UV FAULT
Output Low Voltage
I
OUT
= 400µA
3.4
3.2
4.5
2.2
0.6
5.4
5.6
0.6
V
V
V
V
V
BACK-EMF SAMPLER
SPEED FB Align Mode Voltage
SPEED FB Ramp Mode Current
C Suffix
I Suffix
SPEED FB Run Mode Current
State A, C
RT
= 5V,
V
PHB
= V
DD
/3
C Suffix
I Suffix
500
500
30
27
–15
–90
–90
125
250
720
750
90
90
15
–30
–27
mV
nA
nA
µA
µA
µA
µA
µA
State A, C
RT
= 5V, V
PHB
= V
DD
/2
State A, C
RT
= 5V,
V
PHB
= 2´V
DD
/3
C Suffix
I Suffix
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
V
HX
= 2V
I
HX
= –10µA
I
LX
= 1mA
V(I
SENSE
) = 0V
C Suffix V
DD
– 2.2
I Suffix V
DD
– 2.9
Phase C Cross-conduction Lockout Threshold
V
DD
– 3.0
0.5
V
CC
– 1.3
0.2
0.7
1.2
mA
V
V
V
V
V
SUPPLY
I
DD
V
DD
Current
UVLO Threshold
C Suffix
I Suffix
UVLO Hysteresis
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.
32
8.8
8.6
150
9.5
50
10.2
10.3
mA
V
V
mV
5
MICRO-LINEAR [ MICRO LINEAR CORPORATION ]
