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NCP1072DIPGEVB:  6 W SMPS Evaluation Board

The NCP1072 / NCP1075 products integrate a fixed frequency current mode controller with a 700 V MOSFET. Available in a PDIP-7 or SOT-223 package, the NCP1072/5 offer a high level of integration, including soft-start, frequency-jittering, short-circuit protection, skip-cycle, a maximum peak current set point, ramp compensation, and a Dynamic Self-Supply (eliminating the need for an auxiliary winding).

Unlike other monolithic solutions, the NCP1072/5 is quiet by nature: during nominal load operation, the part switches at one of the available frequencies (65, 100 or 130 kHz). When the output power demand diminishes, the IC automatically enters frequency foldback mode and provides excellent efficiency at light loads. When the power demand reduces further, it enters into a skip mode to reduce the standby consumption down to a no load condition.

Protection features include: a timer to detect an overload or a short-circuit event, Overvoltage Protection with auto-recovery and AC input line voltage detection.

For improved standby performance, the connection of an auxiliary winding stops the DSS operation and helps to reduce input power consumption below 50 mW at high line.

Evaluation/Development Tool Information
Product Status Compliance Short Description Parts Used Action
NCP1072DIPGEVB Active
Pb-free
6 W SMPS Evaluation Board NCP1072P100G
Technical Documents
Type Document Title Document ID/Size Rev
Eval Board: BOM NCP1072DIPGEVB Bill of Materials ROHS Compliant NCP1072DIPGEVB_BOM_ROHS.PDF - 115.0 KB  0 
Eval Board: Gerber NCP1072DIPGEVB Gerber Layout Files (Zip Format) NCP1072DIPGEVB_GERBER.ZIP - 35.0 KB  0 
Eval Board: Schematic NCP1072DIPGEVB Schematic NCP1072DIPGEVB_SCHEMATIC.PDF - 162.0 KB  0 
Eval Board: Test Procedure NCP1072DIPGEVB Test Procedure NCP1072DIPGEVB_TEST_PROCEDURE.PDF - 86.0 KB  0 
Video 6 W Switched-Mode Power Supply Evaluation Board - NCP1072DIPGEVB WVD17580/D   
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6 W Switched-Mode Power Supply Evaluation Board - NCP1072DIPGEVB
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