Features: • Load current feedback • Programmable over current shutdown• Active clamp• ESD protectio• Input referenced• Over temperature shutdo• Reverse battery protectionSpecifications Symbol Parameter Min. Max. Units Vcc-Vin Maximum Vcc volta...
IR3313S: Features: • Load current feedback • Programmable over current shutdown• Active clamp• ESD protectio• Input referenced• Over temperature shutdo• Reverse batt...
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Symbol | Parameter | Min. | Max. | Units |
Vcc-Vin | Maximum Vcc voltage | -16 | 37 | V |
Vcc-Vin cont. | Maximum continuous Vcc voltage | -16 | 32 | |
Vcc-Vfb | Maximum Ifb voltage | -16 | 33 | |
Vcc-Vout | Maximum output voltage | -0.3 | 37 | |
Ids cont. | Maximum body diode continuous current Rth=60/W (1) | - | 2.8 | A |
Ids pulsed | Maximum body diode pulsed current (1) | - | 100 | |
Pd | Maximum power dissipation Rth=60/W | - | 2 | W |
ESD1 | Electrostatic discharge voltage (Human body) C=100pF, R=1500 | - | 4 | kV |
ESD2 | Electrostatic discharge voltage (Machine Model) C=200pF,R=0 | - | 0.5 | |
Tj max. | Max. storage & operating temperature junction temperature | -40 | 150 | |
Min Rfb | Minimum on the resistor on Ifb pin | 0.3 | - | k |
Ifb max. | Max. Ifb current | -50 | 50 | mA |
The IR3313S 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 IR3313S is reset by pulling the input pin high. Other integrated protections (ESD, reverse battery, active clamp) make the switch very rugged in automotive environment.