irdc3624| Application Note
IRDC3624EVAL
USER GUIDE FOR IR3624 EVALUATION BOARD USING IRF8910 SO-8 DUAL MOSFET AND 2x 22uF CERAMIC OUTPUT CAPACITORS
DESCRIPTION
The IR3624 IC is a synchronous Buck controller, providing a cost-effective, high performance and flexible solution. This user guide contains the schematic and bill of materials for the IR3624 evaluation board. The guide describes operation and use of the evaluation board itself. Detailed application information for the IR3624 integrated circuit is available in the IR3624 data sheet.
Key features offered by the IR3624 Include programmable soft start ramp, fixed 600kHz switching frequency requiring no external components and input under-voltage lockout for proper start up. An output over-current protection function is implemented by sensing the voltage developed across the on-resistance of the synchronous rectifier MOSFET for optimum cost and performance.
Evaluation Board Specifications: VIN = +12V, (13.2V Max) VOUT = +1.8V @ 6A
CONNECTIONS:
JP1 VIN ( +12V) Ground JP2 VOUT ( +1.8V) Ground J1 LX (inductor input node) Ground
Rev 1.0 03/11/2006
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