5

ML4425

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

LOGIC INPUTS (BRAKE) (Note 3)

Input High Voltage

2

V

Input Low Voltage

0.8

V

Input High Current

2.4

mA

Input Low Current

2.9

mA

LOGIC OUTPUTS (VCO/TACH, UV FAULT) (Note 3)

VCO/TACH Output High Voltage

2.2

V

VCO/TACH Output Low Voltage

0.6

V

UV FAULT Output High Voltage

C Suffix

3.4

4.5

5.4

V

I Suffix

3.2

5.6

V

UV FAULT Output Low Voltage

0.6

V

BACK-EMF SAMPLER

SPEED FB Align Mode Voltage

125

250

mV

SPEED FB Ramp Mode Current

C Suffix

500

720

nA

I Suffix

500

750

nA

SPEED FB Run Mode Current

C Suffix

30

90

µA

I Suffix

27

90

µA

–15

15

µA

C Suffix

–90

–30

µA

I Suffix

–90

–27

µA

OUTPUT DRIVERS

High Side Driver Output Low Current

0.5

1.2

mA

High Side Driver Output High Voltage

V

Low Side Driver Output Low Voltage

0.2

0.7

V

Low Side Driver Output High Voltage

V

V

Phase C Cross-conduction Lockout Threshold

V

SUPPLY

32

50

mA

UVLO Threshold

C Suffix

8.8

9.5

10.2

V

I Suffix

8.6

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 4k

W resistor to the internal reference.