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VN772K Datasheet(PDF) 1 Page - STMicroelectronics |
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VN772K Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 21 page  ® November 2002 1/21 VN772K QUAD SMART POWER SOLID STATE RELAY FOR COMPLETE H BRIDGE CONFIGURATIONS 1 (*) Total resistance of one side in bridge configuration (**) Typical current limitation value s SUITED AS LOW VOLTAGE BRIDGE s LINEAR CURRENT LIMITATION s VERY LOW STAND-BY POWER DISSIPATION s SHORT CIRCUIT PROTECTED s DOUBLE STATUS FLAG DIAGNOSTIC (OPEN DRAIN) s INTEGRATED CLAMPING CIRCUITS s UNDERVOLTAGE PROTECTION s ESD PROTECTION DESCRIPTION The VN772K is a device formed by three monolithic chips housed in a standard SO-28 package: a double high side and two low side switches. Both the double high side and low side switches are made using |STMicroelectronics VIPower™ M0-3 Technology. This device is suitable to drive a DC motor in a bridge configuration as well as to be used as a quad switch for any low voltage application. The dual high side switches have built-in thermal shutdown to protect the chips from overtemperature and current limiter blocks to protect the device from short circuit. Status output is provided to indicate open load in off and on state and overtemperature. The low side switches are two OMNIFET II types (fully autoprotected Power MOSFET in VIPower™ technology). They have built-in thermal shutdown, linear current limitation and overvoltage clamping. Fault feedback for thermal intervention can be detected by monitoring the voltage at the input pin. TYPE RDS(on) IOUT VCC VN772K 120 m Ω (*) 9A (**) 36V SO-28 PIN FUNCTION No NAME FUNCTION 1, 3, 25, 28 DRAIN 3 Drain of Switch 3 (low-side switch) 2 INPUT 3 Input of Switch 3 (low-side switch) 4, 11 N.C. Not Connected 5, 10, 19, 24 VCC Drain of Switches 1 and 2 (high-side switches) and Power Supply Voltage 6 GND Ground of Switches 1 and 2 (high-side switches) 7 INPUT 1 Input of Switch 1 (high-side switches) 8 DIAGNOSTIC Diagnostic of Switches 1 and 2 (high-side switches) 9 INPUT 2 Input of Switch 2 (high-side switch) 12, 14, 15, 18 DRAIN 4 Drain of switch 4 (low-side switch) 13 INPUT 4 Input of Switch 4 (low-side switch) 16, 17 SOURCE 4 Source of Switch 4 (low-side switch) 20, 21 SOURCE 2 Source of Switch 2 (high-side switch) 22, 23 SOURCE 1 Source of Switch 1 (high-side switch) 26, 27 SOURCE 3 Source of Switch 3 (low-side switch) |
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