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UPD16803 - MONOLITHIC DUAL H BRIDGE DRIVER CIRCUIT

Description

The µPD16803 is a monolithic dual H bridge driver circuit which uses N-channel power MOS FETs in its driver stage.

Features

  • Low ON resistance (sum of ON resistors of top and bottom transistors) RON1 = 1.5 Ω TYP. (VM = 5.0 V) RON2 = 2.0 Ω TYP. (VM = 12.0 V).
  • Low current consumption: IDD = 0.4 mA TYP.
  • Stop mode function that turns OFF all output transistors.
  • Compact surface mount package: 20-pin plastic SOP (300 mil) PIN.

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Datasheet Details

Part number UPD16803
Manufacturer NEC
File Size 97.40 KB
Description MONOLITHIC DUAL H BRIDGE DRIVER CIRCUIT
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DATA SHEET MOS INTEGRATED CIRCUIT µPD16803 MONOLITHIC DUAL H BRIDGE DRIVER CIRCUIT DESCRIPTION The µPD16803 is a monolithic dual H bridge driver circuit which uses N-channel power MOS FETs in its driver stage. By employing the power MOS FETs for the output stage, this driver circuit has a substantially improved saturation voltage and power consumption as compared with conventional driver circuits that use bipolar transistors. In addition, the drive current can be adjusted by an external resistor in a power-saving mode. The µPD16803 is therefore ideal as the driver circuit of the 2-phase excitation, bipolar-driven stepping motor for the head actuator of an FDD. FEATURES • Low ON resistance (sum of ON resistors of top and bottom transistors) RON1 = 1.5 Ω TYP. (VM = 5.0 V) RON2 = 2.
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