IR21771SPBF International Rectifier, IR21771SPBF Datasheet - Page 5
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IR21771SPBF
Manufacturer Part Number
IR21771SPBF
Description
IC CURRENT SENSE 16SOIC
Manufacturer
International Rectifier
Datasheet
1.IR21771STRPBF.pdf
(16 pages)
Specifications of IR21771SPBF
Function
Current Sense
Voltage - Input
8 ~ 20 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (0.300", 7.5mm Width)
Family Hvic
General Purpose HVICs
Channels
1
Topology
Current Sense
Application
General Purpose / Motor Control
Voffset
600
Over Current Protection
Yes
Package
16 Lead
Part Status
Active & Preferred
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Output
-
Accuracy
-
Sensing Method
-
AC Electrical Characteristics
V
Symbol
f
f
BW
GD
D
D
t
T
MD
SR
Note 1: negative logic, see fig. 4 on page 7
Note 2: Cload < 5 nF avoids overshoot
5
sync
out
dOCon
OCoff
BIAS
min
max
( V
CC
, V
PWM frequency
Throughput
Bandwidth (@ -3 dB)
Group Delay (input filter)
Minimum Duty Cycle (Note 1)
Maximum Duty Cycle (Note 1)
De-bounce time of OC
Time to reset OC forcing PO
Measure Delay
Step response (max time to reach
steady state)
BS
) = 15V unless otherwise specified. Temp=27°C.
Definition
Figure 4: OC timing diagram
fsync
Min
. 0
2.7
4
51
4
2 ⋅
fsync
Typ
⋅
3.5
fsync
10
30
fsync
1
IR22771S/IR21771S(PbF)
2
Max
fsync
⋅
. 0
4.7
0.5
1
20
fsync
30
3 .
ksample/sec
kHz
kHz
Units
µs
µs
µs
µs
µs
%
%
www.irf.com
Conditions
See Figure 4
See Figure 4
See Figure 5
V
V
in
in
=+V
Test
=-V
inmin
inmax