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IRDM982 Datasheet(PDF) 11 Page - International Rectifier

Part No. IRDM982
Description  Dynamic overcurrent limit per temperature
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Maker  IRF [International Rectifier]
Homepage  http://www.irf.com
Logo IRF - International Rectifier

IRDM982 Datasheet(HTML) 11 Page - International Rectifier

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IRDM982 Series
11 www.irf.com
© 2015 International Rectifier
April 8, 2015
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
VU, VV, VW
PWM output motor voltage
1)
100
320
450
V
IRDM982-025MB
IRDM982-035MB
VPWMTR
Transient PWM output
motor voltage
1)
-50
0
500
50ns transient period
-50
0
250
PO
Output power
1)
-
50
-
W
Fc=20kHz, DCBUS=300V,
IO=140mArms, no heatsink,
Ta=40C, IRDM982-025MB
-
60
-
Fc=20kHz, DCBUS=300V,
IO=200mArms, no heatsink,
Ta=40C, IRDM982-035MB
VCC
Low side supply voltage
13.5
1)
15
16.5
1)
V
VCOM
COM-VSS voltage
-5
0
5
VHCOM
Hall sensor input voltage
COMMON MODE
0.6
-
2.9
VDIR, VEFF
Direction, Efficiency curve
selection input pin voltage
0
-
VDD
VPG
Open drain output motor
evolution pulse
0
-
VCC
VVSP
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
IVDD
VDD current capability
-
-
2
mA
TW=1ms
CVDD
Capacitor at VDD
2.2
-
22
uF
FCRmax
Carrier frequency
23.3k
23.9k
24.5k
Hz
RCLKIN=57.6
KΩ, C
CLKIN=270pF
FCLKIN=38.99kHz
FCRtyp
Carrier frequency
18.1k
18.5k
18.9k
RCLKIN=75
KΩ, C
CLKIN=270pF
FCLKIN=30.31kHz
FCRmin
Carrier frequency
14.5k
14.7k
15.0k
RCLKIN=95.3
KΩ, C
CLKIN=270pF
FCLKIN=24.07kHz
RCLKIN
Resistor for RC oscillator
2)
-
75K
39.2K
-
R=75kohm with C=270pF,
CPCB=0pF Fc=18.83kHz
R=75kohm with C=270pF,
CPCB=5pF Fc=18.50kHz
R=39.2kohm with C=470pF,
CPCB=0pF Fc=20.75kHz
R=39.2kohm with C=470pF,
CPCB=5pF Fc=20.54kHz
CCLKIN
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
-12+C
PCB)+900×10
-9)×2.466)
CPCB : Board layout capacitance


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