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Description

The L9733 IC is a highly flexible monolithic, medium current, output driver that incorporates 8

outputs that can be used as either internal low or high side drives in any combination.

Outputs 1-8 are self-configuring as high or low side drives. Self-configuration allows a user to

connect a high or low side load to any of these outputs and the L9733 will drive them correctly as

well as provide proper fault mode operation with no other needed inputs. In additon, Outputs 6, 7 and 8 can be PWM controlled via a external pins (IN6-8).

Features

■ Eight independently self configuring low/high drivers

■ Supply voltage from 4.5V to 5.5V

■ RON(max)=0.7?@ Tj = 25°C,

RON(max)=1.2?@Tj= 125°C

■ Minimum current limit of each output 1A

■ Output voltage clamping min. 40V in low side configuration

■ Output voltage clamping max. -14V in high side configuration

■ SPI interface for outputs control and for diagnosis data communication

■ Additional PWM inputs for 3 outputs

■ Independent thermal shutdown for all outputs Open load, Short to GND, short to Vb,

Overcurrent diagnostics in latched or unlatched mode for each channel

■ Internal charge pump without need of external capacitor

■ Controlled SR for reduced EMC