IR2172 International Rectifier, IR2172 Datasheet - Page 2
![IC CURRENT SENSING LINEAR 8-DIP](/photos/7/35/73516/mfg_8-dip_package_sml.jpg)
IR2172
Manufacturer Part Number
IR2172
Description
IC CURRENT SENSING LINEAR 8-DIP
Manufacturer
International Rectifier
Datasheet
1.IR2172.pdf
(7 pages)
Specifications of IR2172
Function
Current Sense
Voltage - Input
9.5 ~ 20 V
Current - Output
20mA
Operating Temperature
-40°C ~ 125°C
Mounting Type
Through Hole
Package / Case
8-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Accuracy
-
Sensing Method
-
Other names
*IR2172
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IR2172
2
Absolute Maximum Ratings
Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage
parameters are absolute voltages referenced to COM, all currents are defined positive into any lead. The thermal
resistance and power dissipation ratings are measured under board mounted and still air conditions.
Recommended Operating Conditions
The output logic timing diagram is shown in figure 1. For proper operation the device should be used within the recom-
mended conditions.
Note 1: Capacitors are required between V
is used. The external power supply, when used, is required between Vs and Vin-, and between V
pins.
Note 2: Logic operation for Vs of -5 to +600V. Logic state held for Vs of -5V to -V
Symbol
Symbol
Rth
dV/dt
V
V
V
V
V
V
V
V
V
V
P
T
T
V
T
V
V
T
CC
PO
OC
BS
IN-
PO
OC
CC
IN
S
D
S
L
IN
J
A
B
S
JA
Definition
High side offset voltage
High side floating supply voltage
Low side and logic fixed supply voltage
Maximum input voltage between V
Digital PWM output voltage
Overcurrent output voltage
V
Allowable offset voltage slew rate
Package power dissipation @ T
Thermal resistance, junction to ambient
Junction temperature
Storage temperature
Lead temperature (soldering, 10 seconds)
High side floating supply voltage
High side floating supply offset voltage
Digital PWM output voltage
Overcurrent output voltage
Low side and logic fixed supply voltage
Input voltage between V
Ambient temperature
Definition
IN-
input voltage (note 1)
IN+
ADVANCE INFORMATION
and V
A
B
IN-
IN+ and
and Vin-, and between V
+25°C
V
IN-
16 lead SOIC
16 lead SOIC
8 lead SOIC
8 lead SOIC
8 lead PDIP
8 lead PDIP
B
and Vs pins when bootstrap power
COM -0.3
COM -0.3
V
Min.
V
note 2
S
Min.
COM
COM
-0.3
-0.3
-260
-0.3
-55
-40
S
—
—
—
—
—
—
—
9.5
-5
—
—
+13.0
-5
BS
.
VCC +0.3
VCC +0.3
V
V
Max.
Max.
B+
.625
1.25
+260
VCC
VCC
600
200
125
100
150
150
300
S
1.0
600
125
25
25
50
20
5
+20
0.3
www.irf.com
B
and Vs
Units
°C/W
Units
V/ns
mV
°C
°C
V
W
V