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NCP1597AGEVB:  Synchronous PWM Converter Evaluation Board

The NCP1597A family is a fixed 1 MHz frequency, high-output-current, synchronous PWM converter that integrate low-resistance, high-side P-channel MOSFETs and low-side N-channel MOSFETs. The NCP1597A utilizes current mode control to provide fast transient response and excellent loop stability and supports PFM mode at light load for higher efficiency. It regulates input voltages from 4.0 V to 5.5 V down to an output voltage as low as 0.8 V and is able to supply up to 2.0 A.

The NCP1597A has features including fixed internally switching frequency (FSW), and an internal soft-start to limit inrush currents. Using the EN pin, shutdown supply current is reduced to 1 µA maximum.

Other features include cycle-by-cycle current limiting; short-circuit protection, power saving mode and thermal shutdown.
Features and Applications


  • USB Powered Devices
  • Hard Disk Drive (HDD)
  • DSP Power
Evaluation/Development Tool Information
Product Status Compliance Short Description Parts Used Action
NCP1597AGEVB Active
Synchronous PWM Converter Evaluation Board NCP1597AMNTWG
Technical Documents
Type Document Title Document ID/Size Rev
Eval Board: BOM NCP1597AGEVB Bill of Materials ROHS Compliant NCP1597AGEVB_BOM_ROHS.PDF - 547.0 KB  2 
Eval Board: Gerber NCP1597AGEVB Gerber Layout Files (Zip Format) NCP1597AGEVB_GERBERS.ZIP - 163.0 KB  2 
Eval Board: Schematic NCP1597AGEVB Schematic NCP1597AGEVB_SCHEMATIC.PDF - 177.0 KB  2 
Eval Board: Test Procedure NCP1597AGEVB Test Procedure NCP1597AGEVB_TEST_PROCEDURE.PDF - 110.0 KB  0 
Video Synchronous PWM Converter Evaluation Board - NCP1597AGEVB WVD17607/D   
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Synchronous PWM Converter Evaluation Board - NCP1597AGEVB
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