IR2177SPBF International Rectifier, IR2177SPBF Datasheet - Page 12
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IR2177SPBF
Manufacturer Part Number
IR2177SPBF
Description
IC CURRENT SENSE 0.2% 16SOIC
Manufacturer
International Rectifier
Datasheet
1.IR2177STRPBF.pdf
(20 pages)
Specifications of IR2177SPBF
Function
Current Sense
Accuracy
±0.2%
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
-
Sensing Method
-
12
Triangular
SYNC (0)
Dn =
PO
1
V
V
IN +
IN -
T
off
T
cycle
_
T
cycle
off_cycle1
1
2
H igh voltage
Cycle 1
T
cycle1
O ver current
detection
Figure 9: Over current block diagram
Dn =
2
Figure 8: PO Duty Cycle
T
T
off
T
off_cycle2
cycle
_
cycle
Cycle 2
2
T
3
cycle2
Low voltage
T
S
R
Dn =
off_cycle3
3
Cycle 3
T
D
cycle3
T
off
T
cycle
_
IR2277S/IR2177S(PbF)
cycle
3
4
T
V
O C
P O
off_cycle4
S S
supply
Cycle 4
E xt
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