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NCP1406V25GEVB:  Monolithic Micropower PFM Step-Up DC-DC Converter Evaluation Board

The NCP1406 is a monolithic micropower PFM step-up DC-DC converter. This device is designed to boost single lithium or two cells AA/AAA battery voltage up to 25 V (with internal MOSFET) output for handheld applications. Target applications include OLED Power, White LED Drivers, and LCD Bias. In addition to standard boost converter topologies, this device can be configured for voltage-inverting and step-down applications. This device is available in space-saving thin SOT23-5 (TSOP-5) package. With its small footprint, the device is also ideal for generating a boosted voltage from a 3.3 V or 5.0 V power rail.

There are 2 versions of the demo board that have been preconfigured to generate a voltage of 25V or 15V.
Features and Applications


  • 85% Efficiency at VOUT = 25 V, IOUT = 25 mA, VIN = 5.0 V
  • Low Operating Current of 15 uA (Not Switching)
  • Low Shutdown Current of 0.3 uA
  • Low Startup Voltage of 1.8 V Typical at 0 mA
  • Output Voltage up to 25 V with Built-in 26 V MOSFET Switch
  • PFM Switching Frequency up to 1.0 MHz
  • Chip Enable
  • Output Voltage Soft-Start
  • Feedback Pin Open/Short Circuit Protection
  • Input Under-voltage Lockout
  • Thermal Shutdown
  • Low Profile and Minimum External Parts
  • Pb-Free Package is Available
Evaluation/Development Tool Information
Product Status Compliance Short Description Parts Used Action
NCP1406V25GEVB Active
Monolithic Micropower PFM Step-Up DC-DC Converter Evaluation Board NCP1406SNT1G
Technical Documents
Type Document Title Document ID/Size Rev
Eval Board: BOM NCP1406V25GEVB Bill of Materials ROHS Compliant NCP1406V25GEVB_BOM_ROHS.PDF - 188 KB  2 
Eval Board: Gerber NCP1406V25GEVB Gerber Layout Files (Zip Format) NCP1406V25GEVB_GERBER.ZIP - 45.0 KB  1 
Eval Board: Schematic NCP1406V25GEVB Schematic NCP1406V25GEVB_SCHEMATIC.PDF - 26.0 KB  1 
Eval Board: Test Procedure NCP1406V25GEVB Test Procedure NCP1406V25GEVB_TEST_PROCEDURE.PDF - 42.0 KB  1 
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