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International Rectifier Electronic Components Datasheet

IR3314SPBF Datasheet

Programmable Current Sense High Side Switch

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Data Sheet No. PD60284
IR3314(S)PbF
PROGRAMMABLE CURRENT SENSE HIGH SIDE SWITCH
Features
Load current feedback
Programmable over current shutdown
Active clamp
ESD protection
Input referenced to Vcc
Over temperature shutdown
Reverse battery protection
Lead-Free
Description
The IR3314(S)PbF is a fully protected 4 terminals high
side switch. The input signal is referenced to Vcc. When
the input voltage Vcc - Vin is higher than the specified
threshold, the output power Mosfet is turned on. When the
Vcc - Vin is lower than the specified Vil threshold, the
output Mosfet is turned off. A current proportional to the
power Mosfet current is sourced to the Ifb pin. Over
current shutdown occurs when Vst-Vin > 4.5V. The current
shutdown threshold is adjusted by selecting the proper
RIfb. Either over current and over temperature latches off
the switch. The device is reset by pulling the input pin
high. Other integrated protections (ESD, reverse battery,
active clamp) make the switch very rugged in automotive
environment.
Typical Connection
Product Summary
Rds(on)
12 mmax.
Vcc op.
6 to 32V
Current Ratio
5300
Prog. Ishutdown 6 to 58A
Vclamp
40V
Packages
TO-220
IR3314PbF
D²Pak
Pin 4 and 5 fused
IR3314SPbF
Current feeback
Input
On
Off
www.irf.com
Vcc
IN IR3314
Ifb
10k
Out
Battery
Rifb
Logic
Ground
Power
Ground
Load
1


International Rectifier Electronic Components Datasheet

IR3314SPBF Datasheet

Programmable Current Sense High Side Switch

No Preview Available !

www.DataSheet4U.com
IR3314(S)PbF
Absolute Maximum Ratings
Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters
are referenced to Vcc lead. (Tambient=25°C unless otherwise specified).
Symbol Parameter
Min. Max. Units
Vcc-Vin
Maximum Vcc voltage
-16 37
Vcc-Vin cont. Maximum continuous Vcc voltage
Vcc-Vfb
Maximum Ifb voltage
Vcc-Vout
Maximum output voltage
-16 32
-16 33
-0.3 37
V
Ids cont.
Ids pulsed
Pd
ESD1
ESD2
Tj max.
Maximum body diode continuous current Rth=60°C/W (1)
Maximum body diode pulsed current (1)
Maximum power dissipation Rth=60°C/W
Electrostatic discharge voltage (Human body) C=100pF, R=1500
Electrostatic discharge voltage (Machine Model) C=200pF,R=0
Max. storage & operating temperature junction temperature
2.8
100
2
4
0.5
-40 150
A
W
kV
°C
Min Rfb
Minimum on the resistor on Ifb pin
Ifb max.
Max. Ifb current
(1) Limited by junction temperature. Pulsed is also limited by wiring
Thermal Characteristics
0.3
k
-50 50
mA
Symbol
Parameter
Typ. Max. Units
Rth1
Rth2
Rth3
Thermal resistance junction to ambient D²-Pak Std footprint
Thermal resistance junction to case D²-Pak
Thermal resistance junction to case TO-220
60
1.2 °C/W
1.2
Recommended Operating Conditions
These values are given for a quick design. For operation outside these conditions, please consult the application notes.
Symbol
Parameter
Min. Max. Units
Iout Continuous output current
Tambient=85°C, Rth=5°C/W, Tj=125°C
18
A
Tambient=85°C, Rth=60°C/W, Tj=125°C
5
Rifb Recommended Ifb resistor (2)(3)
0.5 3.5
k
Pulse min.
Minimum turn-on pulse width
1 ms
Fmax.
Maximum operating frequency
200 Hz
2) If Rifb is too low, the device can be damaged.
3) If Rifb is too high, the device may not switch on.
www.irf.com
2


Part Number IR3314SPBF
Description Programmable Current Sense High Side Switch
Maker International Rectifier
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IR3314SPBF Datasheet PDF






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