TDE3247FPT STMicroelectronics

TDE3247 Interface circuit (relay and lamp driver) Features High output current Adjustable short-circuit protection to ground Internal thermal protection with hysteresis to avoid the intermediate output levels Large supply voltage range: 8 to 30V Short-circuit protection to V CC SO-14 Open ground protection Description The TDE3247 is a monolithic amplifier designed for high current and high voltage applications, specifically to drive lamps, relays and stepping motors. The Device is essentialy blow-out proof. Current limiting is available to limit the peak output current to a safe value, the adjustment only required an external resistor. In addition, thermal shut-down is provided to keep the IC from overheating. If external dissipation becomes too high, the driver will shut-down to prevent excessive heating. The output is also protected against short-circuit with the positive power supply. The device operates over a wide range of supply voltage from standard 15V operational amplifier supplies down to the single 12V or 24V used for industrial electronic systems. Order codes Part number Package Packaging TDE3247FP SO-14 Tube TDE3247FPT SO-14 Tape & Reel June 2006 Rev 2 1/15 www.st.com 15Contents TDE3247 Contents 1 Schematic diagram and pin connections 3 2 Electrical ratings 4 3 Electrical characteristics . 5 3.1 Electrical characteristics (curves) 6 4 Application circuit . 8 5 Package mechanical data . 9 6 Revision history . 14 2/15