48 V Hot Swap Controller in SOT-23 with Linear Current Limiting

The ADM1070 -48 V hot swap controller is designed for central office applications. The space-saving SOT-23 package occupies just 25% of the board area of an 8 pin SOIC solution. The device utilizes a linear current control method and protects the supply from in-rush currents (board insertion) and short circuits (board failure). The ADM1070 also provides protection during voltage steps associated with card re-seating. It current limits under all conditions.

APPLICATIONS

* Central Office Switching

* -48 V Distributed Power Systems

* Negative Power Supply Control

* Hot Board Insertion

* Electronic Circuit Breaker

* High Availability Servers

* Programmable Current Limiting Circuit

* –48 V Power Supply Modules

* Allows safe board insertion and removal from a live -48V backplane

* Operates from a typical -36V to -80V

* Tolerates transients up to -200V (limited by external components)

* Accurate programmable linear current limit for inrush control