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DESCRIPTION

The VN920-E, VN920B5-E, VN920SO-E is a monolithic device made by using STMicroelectronics VIPower M0-3 Technology, intended for driving any kind of load with one side connected to ground. Active VCC pin voltage clamp protects the device against low energy spikes (see ISO7637 transient compatibility table). Figure 1. Package

Active current limitation combined with thermal shutdown and automatic restart protect the device against overload. The device integrates an analog current sense output which delivers a current proportional to the load current. Device automatically turns off in case of ground pin disconnection.

General Features

■ CMOS COMPATIBLE INPUT

■ PROPORTIONAL LOAD CURRENT SENSE

■ SHORTED LOAD PROTECTION

■ UNDERVOLTAGE AND OVERVOLTAGE SHUTDOWN

■ OVERVOLTAGE CLAMP

■ THERMAL SHUTDOWN

■ CURRENT LIMITATION

■ PROTECTION AGAINST LOSS OF GROUND AND LOSS OF VCC

■ VERY LOW STAND-BY POWER DISSIPATION

■ REVERSE BATTERY PROTECTION (*)

■ IN COMPLIANCE WITH THE 2002/95/EC EUROPEAN DIRECTIVE