Features: • Load current feedback • Programmable over current shutdown• Active clamp• ESD protectio• Input referenced• Over temperature shutdo• Switching time optimized for • Reverse battery protectionSpecificationsAbsolute maximum ratings indicate s...
IR3316S: Features: • Load current feedback • Programmable over current shutdown• Active clamp• ESD protectio• Input referenced• Over temperature shutdo• Switching ti...
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Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are referenced to Vcc lead. (Tambient=25 unless otherwise specified).
Symbol | Parameter | Min. | Max. | Units |
Vcc-Vin | Maximum Vcc voltage | -16 | 37 | V |
Vcc-Vin cont. | Maximum continuous Vcc voltage | -16 | 26 | |
Vcc-Vfb | Maximum Ifb voltage | -16 | 33 | |
Vcc-Vout | Maximum output voltage | -0.3 | 37 | |
Ids cont. | Maximum body diode continuous current Rth=60°C/W (1) | - | 2.8 | A |
Ids pulsed | Maximum body diode pulsed current (1) | - | 100 | |
Pd | Maximum power dissipation Rth=60°C/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 IR3316S side switch. The input signal is referenced to Vcc. When the input voltage Vcc - Vin is higher than the specified threshold, he output power Mosfet is turned on. When the Vcc - Vin is lower than the specified Vil threshold, the output Mosfet is urned off. A current proportional to the power Mosfet current is sourced to the Ifb pin. Over current shutdown occurs when st-Vin > 4.5V. The current shutdown threshold is adjusted by selecting the proper RIfb. Either over current and over emperature latches off the switch. The IR3316S is reset by pulling the input pin high. Other integrated protections (ESD, everse battery, active clamp) make the switch very rugged in automotive environment.