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IR3314PBF Dataheets PDF



Part Number IR3314PBF
Manufacturers International Rectifier
Logo International Rectifier
Description Programmable Current Sense High Side Switch
Datasheet IR3314PBF DatasheetIR3314PBF Datasheet (PDF)

www.DataSheet4U.com 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 Product Summary Rds(on) 12 mΩ max. Vcc op. 6 to 32V Current Ratio 5300 Prog. Ishutdown 6 to 58A Vclamp 40V Packages Description The IR3314(S)PbF is a fully protected 4 terminals high side switch. The.

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www.DataSheet4U.com 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 Product Summary Rds(on) 12 mΩ max. Vcc op. 6 to 32V Current Ratio 5300 Prog. Ishutdown 6 to 58A Vclamp 40V Packages 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. TO-220 IR3314PbF D²Pak Pin 4 and 5 fused IR3314SPbF Typical Connection Vcc IN Ifb IR3314 Battery Out Current feeback Input On Off 10k Rifb Logic Ground Power Ground Load www.irf.com 1 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. -16 -16 -16 -0.3 ⎯ ⎯ ⎯ ⎯ ⎯ Max. 37 32 33 37 2.8 100 2 4 0.5 150 ⎯ Units V Vcc-Vin Maximum Vcc voltage Vcc-Vin cont. Maximum continuous Vcc voltage Vcc-Vfb Maximum Ifb voltage Vcc-Vout Maximum output voltage Ids cont. Maximum body diode continuous current Rth=60°C/W (1) Ids pulsed Maximum body diode pulsed current (1) Pd Maximum power dissipation Rth=60°C/W ESD1 Electrostatic discharge voltage (Human body) C=100pF, R=1500Ω ESD2 Electrostatic discharge voltage (Machine Model) C=200pF,R=0Ω Tj max. Max. storage & operating temperature junction temperature 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 A W kV °C kΩ mA -40 0.3 -50 50 Thermal Characteristics Symbol Rth1 Rth2 Rth3 Parameter Thermal resistance junction to ambient D²-Pak Std footprint Thermal resistance junction to case D²-Pak Thermal resistance junction to case TO-220 Typ. 60 1.2 1.2 Max. ⎯ ⎯ ⎯ Units °C/W Recommended Operating Conditions These values are given for a quick design. For operation outside these conditions, please consult the application notes. Symbol Iout Parameter Min. ⎯ ⎯ Max. 18 5 3.5 ⎯ Units A kΩ ms Hz 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 Ifb resistor (2)(3) Pulse min. Minimum turn-on pulse width Fmax. Maximum operating frequency 2) If Rifb is too low, the device can be damaged. 3) If Rifb is too high, the device may not switch on. 0.5 1 ⎯ 200 www.irf.com 2 www.DataSheet4U.com IR3314(S)PbF Protection Characteristics Tj=25°C, Rifb=500 to 3.5kΩ Symbol Vifb-Vin@Isd Tsd OV 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 1k Time to reset protection Min. pulse width (no WAIT state) WAIT function timer Reverse battery On state resistance Min. 4 ⎯ Typ. 4.7 165 35 72 24 50 400 1 10 Max. 5.6 ⎯ Units V °C V A µs ms mΩ Test Conditions See fig. 5 Vifb


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