A3972 Datasheet | Allegro MicroSystems

feature will eliminate the need for external clamp diodes in most applications, saving cost and external ponent count, while minimizing power dissipation. Internal circuit protection includes thermal shutdown with hysteresis, transient-suppression diodes, and crossover-current protection. Special power-up sequencing is not required. The A3972SB is supplied in a 24-lead plastic DIP with a copper batwing power tab (suffix ‘B’). The power tab is at ground potential and needs no electrical isolation. Data Sheet 29319.33 FEATURES I ±1.5 A, 50 V Continuous Output Rating I Low r DS(on) DMOS Output Drivers I Optimized Microstepping via 6-Bit Linear DACs I Programmable Mixed, Fast, and Slow Current-Decay Modes I 4 MHz Internal Oscillator for Digital Timing I Serial-Interface Controls Chip Functions I Synchronous Rectification for Low Power Dissipation I Internal UVLO and Thermal Shutdown Circuitry I Crossover-Current Protection I Precision 2 V Reference I...