NCP1423EVB: 400 mA DC-DC Converter Evaluation Board

The NCP1423 is a monolithic micropower high frequency step−up switching converter IC specially designed for battery operated hand held electronic products. It integrates Synchronous Rectifier for improving efficiency as well as eliminating the external Schottky Diode. High switching frequency (up to 600 kHz) allows a low profile inductor and output capacitor to be used. When the IC is disabled the internal conduction path from pin LX or BAT to pin OUT is blocked. The OUT pin is isolated from the battery, which achieves True−Cutoff. Ring−Killer is also integrated to eliminate the high frequency ringing in discontinuous conduction mode. Low Battery Detector, Cycle−by−Cycle Current Limit, Overvoltage Protection and Thermal Shutdown provide value added features for various battery operated application. With all of these functions on the quiescent supply current is only 9.0 mA. This device is available in a compact Micro10 package.

Evaluation/Development Tool Information
ProductStatusComplianceShort DescriptionParts Used
NCP1423EVBActive400 mA DC-DC Converter Evaluation BoardNCP1423DMR2G
Technical Documents
TypeDocument TitleDocument ID/SizeRev
Eval Board: BOMNCP1423EVB Bill of MaterialsNCP1423EVB_BOM.PDF - 70.0 KB2
Eval Board: GerberNCP1423EVB Gerber Layout Files (Zip Format)NCP1423EVB_GERBER.ZIP - 97.0 KB1
Eval Board: SchematicNCP1423EVB SchematicNCP1423EVB_SCHEMATIC.PDF - 54.0 KB2
Eval Board: Test ProcedureNCP1423EVB Test ProcedureNCP1423EVB_TEST_PROCEDURE.PDF - 70.0 KB0
Video400 mA DC-DC Converter Evaluation Board - NCP1423EVBWVD17550/D
NCP1423EVB BOM NCP1423EVB
NCP1423EVB GERBER NCP1423EVB
NCP1423EVB SCHEMATIC NCP1423EVB
NCP1423EVB TEST PROCEDURE NCP1423EVB
NCP1423EVB