IR3314(S)PbF PROGRAMMABLE CURRENT SENSE HIGH SIDE SWITCH Loa

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IR3314(S)PbF PROGRAMMABLE CURRENT SENSE HIGH SIDE SWITCH Loa

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Data Sheet PD60284
IR3314(S)PbF
PROGRAMMABLE CURRENT SENSE HIGH SIDE SWITCH
Load current feedback Programmable over current shutdown Active clamp protection Input referenced Over temperature shutdown Reverse battery protection Lead-Free
Product Summary Rds(on) max. Current Ratio 5300 Prog. Ishutdown Vclamp Packages
Description
IR3314(S)PbF fully protected terminals high side switch. input signal referenced Vcc. When input voltage higher than specified threshold, output power Mosfet turned When lower than specified threshold, output Mosfet turned off. current proportional power Mosfet current sourced pin. Over current shutdown occurs when Vst-Vin 4.5V. current shutdown threshold adjusted selecting proper RIfb. Either over current over temperature latches switch. device reset pulling input high. Other integrated protections (ESD, reverse battery, active clamp) make switch very rugged automotive environment.
TO-220 IR3314PbF
fused IR3314SPbF
Typical Connection
IR3314
Battery
Current feeback Input
Rifb Logic Ground Power Ground
Load
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IR3314(S)PbF
Absolute Maximum Ratings
Absolute maximum ratings indicate sustained limits beyond which damage device occur. voltage parameters referenced lead. (Tambient=25°C unless otherwise specified).
Symbol
Parameter
Min.
-0.3
Max.
Units
Vcc-Vin Maximum voltage Vcc-Vin cont. Maximum continuous voltage Vcc-Vfb Maximum voltage Vcc-Vout Maximum output voltage cont. Maximum body diode continuous current Rth=60°C/W pulsed Maximum body diode pulsed current Maximum power dissipation Rth=60°C/W ESD1 Electrostatic discharge voltage (Human body) C=100pF, R=1500 ESD2 Electrostatic discharge voltage (Machine Model) C=200pF,R=0 max. Max. storage operating temperature junction temperature Minimum resistor max. Max. current Limited junction temperature. Pulsed also limited wiring
Thermal Characteristics
Symbol
Rth1 Rth2 Rth3
Parameter
Thermal resistance junction ambient footprint Thermal resistance junction case Thermal resistance junction case TO-220
Typ.
Max.
Units
°C/W
Recommended Operating Conditions
These values given quick design. operation outside these conditions, please consult application notes.
Symbol
Iout
Parameter
Min.
Max.
Units
Continuous output current Tambient=85°C, Rth=5°C/W, Tj=125°C Tambient=85°C, Rth=60°C/W, Tj=125°C Rifb Recommended resistor (2)(3) Pulse min. Minimum turn-on pulse width Fmax. Maximum operating frequency Rifb low, device damaged. Rifb high, device switch
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IR3314(S)PbF
Protection Characteristics
Tj=25°C, Rifb=500 3.5k
Symbol
Vifb-Vin@Isd Isdf Isd_1k Treset Min. pulse WAIT Rds(on) rev.
Parameter
Over-current shutdown threshold Over temperature threshold Over voltage protection (not latched) Fixed over current shutdown Programmable over current shutdown Time reset protection Min. pulse width WAIT state) WAIT function timer Reverse battery state resistance
Min.
Typ.
Max.
Units
Test Conditions
fig. Vifb<Vifb-Vin@Isd Rifb=1k fig. fig. Vcc-Vin=-14V, Iout=20A
1200
Static Electrical Characteristics
Tj=25°C, Vcc=14V (unless otherwise specified)
Symbol
Iin, Vhyst Iout
Parameter
Operating Voltage range Supply leakage current state positive current High level Input threshold voltage level Input threshold voltage Input hysteresis Vih-Vil Drain source leakage current
Min.
Typ.
Max.
Units
Test Conditions
Vin=Vcc, Vcc-Vout=14V, Vcc-Vifb=14V Vcc-Vin=14V
Vin=Vcc, Vcc-Vifb=0V, Vcc-Vout=14V Rds(on) state resistance Tj=25°C Iout=20A, Vcc-Vin=14V state resistance Tj=25°C Iout=15A, Vcc-Vin=6V state resistance Tj=150°C Iout=20A, Vcc-Vin=14V Iout=50mA clamp1 Vout clamp voltage Iout=20A clamp2 Vout clamp voltage Input thresholds measured directly between input tab. parasitic resistance common between load current path input signal path significantly affect thresholds. Rdson measured between pin, away from package.
Switching Electrical Characteristics
Vcc=14V, Resistive load=0.5, Tj=25°C
Symbol
Tdon Tdoff Eoff
Parameter
Turn delay time Rise time Vcc-Vout=5V Rise time Vcc-Vout=0.1Vcc Turn energy Turn delay time Fall time Vout=10% Turn energy
Min.
Typ.
Max.
Units
Test Conditions
figure
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IR3314(S)PbF
Current Sense Characteristics
Symbol
Ratio Ratio_TC Offset Trst
Parameter
Load/Iifb current ratio Load/Iifb variation aver temperature Load current diagnostic offset response time (low signal)
Min.
4,500 -0.18
Typ.
5,300
Max.
6,300 +0.15
Units
Test Conditions
Tj=25°C, Rfb=500, Iout=40A Tj=-40°C 150°C Iout=2A Iout step
Functional Block Diagram
values typical
Charge Pump
Driver
On/Off Fast turn-off
Reset
Latch
Wait timer 4.7V timer 400µs Iout 165°C Min. Pulse
reverse battery protection
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IR3314(S)PbF
Lead Assignments
(tab)
TO220
Vcc-Vin Vhyst
IR3314
Vcc-Vout Vclamp1 Vclamp2
Vcc-Vin
Tr-in
Vcc-5V
Vout
Iout
Figure Voltages current definitions
Figure Switching time definitions
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IR3314(S)PbF
clamp
Vcc-Vin
Iout
min. pulse
min. pulse
Iout
Wait
Vout
clamp
Application Notes evaluate power dissipation
Figure Active clamp waveforms
Figure Min. pulse Wait function
Vcc-Vin
reset
reset Wait
reset
reset Wait
Over-current shutdown
Iout
Over-temperature shutdown
Figure Protection Timing Diagrams
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IR3314(S)PbF
curves typical characteristics. Operation hatched areas recommended. Tj=25°C, Rifb=500ohm, Vcc=14V (unless otherwise specified).
off, supply leakage current (µA)
Icc, supply current (mA)
Vcc-Vin, supply voltage Figure (mA) Vcc-Vin
junction temperature (°C) Figure (µA) (°C)
200%
Rds(on), Drain-to-Source Resistance (Normalized)
150%
Vih, Vifb-Vin@Isd
Vifb-Vin@Isd
100%
junction temperature (°C) Figure Normalized Rds(on) (°C)
junction temperature (°C) Figure Vih, Vifb-Vin@Isd (°C)
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IR3314(S)PbF
With calibration
Isd, over current shutdown
Spec. Max.
Error (+/-A)
1000
10000
load, load current Figure Error (+/- load
Rifb, feedback resistor Figure Rifb
60°C/W 35°C/W
Max. output current
Max. output current
1000
Tamb., ambient temperature (°C) Figure Max. Iout Tamb. (°C)
Inductance (µH) Figure Max. Iout inductance (µH)
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IR3314(S)PbF
Tamb=25°C Tamb=100°C
Zth, transient thermal impedance (°C/W)
50°C/W free
Ids, output current
5°C/W
1.E-01
1.E+00
1.E+01
1.E+02
1.E+03
1.E-4
1.E-3
1.E-2
1.E-1
1.E+0
1.E+1
1.E+2
Protection response time Figure over temperature protection response time
Time Figure Transient thermal impedance (°C/W) time
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IR3314(S)PbF
Case Outline Leads TO220 Automotive Q100 qualified
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IR3314(S)PbF
Case Outline D2PAK leads Automotive Q100 MSL1 qualified
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IR3314(S)PbF
Tape Reel Lead D2PAK
D2Pak MSL1 qualified. This product been designed qualified Automotive [Q100] market. Qualification standards found www.irf.com WORLD HEADQUARTERS: Kansas St., Segundo, California 90245 Tel: (310) 252-7105 Data specifications subject change without notice. 9/6/2006
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IR3314(S)PbF PROGRAMMABLE CURRENT SENSE HIGH SIDE SWITCH Loa

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