View mdc3205rev1 datasheet:

MOTOROLA Order this document SEMICONDUCTOR TECHNICAL DATA by MDC3205/D MDC3205 Advance Information Integrated Relay/Solenoid Driver • Optimized to Switch 3 V to 5 V Relays from a 5 V Rail • Compatible with “TX’’ and “TQ’’ Series Telecom Relays Rated up to RELAY/SOLENOID DRIVER 625 mW at 3 V to 5 V SILICON MONOLITHIC • Features Low Input Drive Current CIRCUIT BLOCK • Internal Zener Clamp Routes Induced Current to Ground Rather Than Back to Supply • Guaranteed Off State with No Input Connection • Supports Large Systems with Minimal Off–State Leakage • ESD Resistant in Accordance with the 2000 V Human Body Model • Provides a Robust Driver Interface Between Relay Coil and Sensitive Logic Circuits Applications include: CASE 29–04, STYLE 14 TO–92 • Telecom Line Cards and T