IRDM983-025MB, IRDM983-035MB

This document is the property of International Rectifier and may not be copied or distributed without expressed consent.

12

Recommended Operating Conditions

For proper operation, the device should be used within the recommended conditions. All voltage parameters are absolute

voltages referenced to VSS unless otherwise stated in the table.

The input/output logic timing diagram is shown in Fig. 1.

The VS and VSS offset rating are tested with all supplies biased at a 15 V (VCC) differential / 3.3V (VDD).

Power up and down sequences are not dependent on the order of VCC, DCBUS, and VSP for proper operation to start or

stop.

Symbol

Definition

Min.

Typ

Max.

Units

Condition

PWM output motor voltage

1)

100

320

450

V

IRDM983-025MB

IRDM983-035MB

Transient PWM output

motor voltage

†

1)

-50

0

500

50ns transient period

Output power

1)

-

50

-

W

Fc=20kHz, DCBUS=300V,

IO=140mArms, no heatsink,

Ta=40C, IRDM983-025MB

-

60

-

Fc=20kHz, DCBUS=300V,

IO=200mArms, no heatsink,

Ta=40C, IRDM983-035MB

VCC

Low side supply voltage

13.5

1)

15

16.5

1)

V

COM-VSS voltage

-5

0

5

Hall sensor input voltage

COMMON MODE

0.6

-

2.9

Direction, Efficiency curve

selection input pin voltage

0

-

VDD

Open drain output motor

evolution pulse

0

-

VCC

VSP input voltage

0

-

9.8

VDD

3.3V voltage regulator

output

3.0

-

3.6

Io=2mA

VDDstby

3.3V voltage regulator

output when in stand by

1)

0

-

0.8

VSP<1,15V for more than 5 s,

Cout=20pF

VDD current capability

-

-

2

mA

TW=1ms

Capacitor at VDD

2.2

-

22

uF

FCRmax

Carrier frequency

23.3k

23.9k

24.5k

Hz

FCRtyp

Carrier frequency

18.1k

18.5k

18.9k

FCRmin

Carrier frequency

14.5k

14.7k

15.0k

Resistor for RC oscillator

2)

-

75K

39.2K

-

Ω

R=75kohm with C=270pF,

R=75kohm with C=270pF,

R=39.2kohm with C=470pF,

R=39.2kohm with C=470pF,

Capacitor for RC oscillator

2)

-

270

470

-

pF

TA

Ambient temperature

1)

-40

125

°C

†Operational for transient negative VS of - 50 V with a 50 ns pulse width is guaranteed by design. Refer to the Application

Information section of this datasheet for more details.

1) Guarantee by design, not tested at manufacturing

2) Carrier Frequency is calculated by the following.

FC=1/(((R+50)×(C+5×10