Dual Positive Voltage Relay Driver - National Semiconductor

The DS3686 is a high voltage/current positive voltage relay driver having many features not available in present relay drivers. PNP inputs provide both TTL/LS compatibility and high in- put impedance for low input loading. Output leakage is specified over temperature at an output voltage of 54V. Minimum output breakdown (ac/latch break- down) is specified over temperature at 5 mA. This clearly defines the actual breakdown of the device since the circuit has incorporated in it an internal reference which does not allow output breakdown latching found in existing relay driv- ers. Additionally, this internal reference circuit feature will eliminate the need in most cases of an external clamping (inductive transient voltage protection) Diode When the out- put is turned OFF by input Logic conditions the resulting inductive voltage transient seen at the output is detected by an internal zener reference. The reference then momentari- ly activates the output Transistor long enough so that the relay energy is discharged. This feature eliminates the need of external Circuit Protection components and insures output Transistor protection. By National Semiconductor Corporation
DS3686 's PackagesDS3686 's pdf datasheet

DS3686 Pinout, Pinouts
DS3686 pinout,Pin out
This is one package pinout of DS3686,If you need more pinouts please download DS3686's pdf datasheet.

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