NCP1271ADAPGEVB: 57 W Adapter Evaluation Board

The NCP1271ADAPEVB is an example circuit using NCP1271 (65 kHz version) in flyback topology. The 19 V, 3.0 A circuit delivers above 85% from universal input (85 to 265 Vac). The no load standby consumption is 83 mW at 230 Vac. The NCP1271 is one of the latest fixed-frequency current-mode PWM switching controllers with (1) soft-skip standby operation for low-level audible noise (2) integrated high-voltage startup for saving PCB space and power (3) adjustable skip level to minimize standby power and (4) optional external latch protection features.

Evaluation/Development Tool Information
ProductStatusComplianceShort DescriptionParts Used
NCP1271ADAPGEVBActivePb-free57 W Adapter Evaluation BoardNCP1271D65R2G
Technical Documents
TypeDocument TitleDocument ID/SizeRev
Eval Board: BOMNCP1271ADAPGEVB Bill of MaterialsNCP1271ADAPGEVB_BOM - 92.0 KB1
Eval Board: GerberNCP1271ADAPGEVB Gerber Layout Files (Zip Format)NCP1271ADAPGEVB_GERBERS - 305.0 KB0
Eval Board: SchematicNCP1271ADAPGEVB SchematicNCP1271ADAPGEVB_SCHEMATIC - 45.0 KB1
Eval Board: Test ProcedureNCP1271ADAPGEVB Test ProcedureNCP1271ADAPGEVB_TEST_PROCEDURE - 41.0 KB1
Eval Board: ManualNCP1271ADAPGEVB ManualEVBUM2145/D - 808.0 KB4
Video57 W Adapter Evaluation Board - NCP1271ADAPGEVB Test ProcedureWVD17526/D
NCP1271ADAPGEVB BOM - 92 NCP1271ADAPGEVB
NCP1271ADAPGEVB GERBERS - 305 NCP1271ADAPGEVB
NCP1271ADAPGEVB SCHEMATIC - 45 NCP1271ADAPGEVB
NCP1271ADAPGEVB TEST PROCEDURE - 41 NCP1271ADAPGEVB
EVBUM2145/D - 808 NCP1271ADAPGEVB
NCP1271ADAPGEVB