NCP1406SNT1G Datasheet

DC/DC Switching Converters


The NCP1406SNT1G is a monolithic step−up DC−DC converter operating in a Pulse Frequency Modulation (PFM) scheme with constant peak current control. It integrates a 0.8 A, 0.7  internal power switch and sensing resistor to monitor inductor current. This control scheme maintains high efficiencies over the entire load current range. The wide input voltage range, from 1.4V to 5.5 V, enables the user to operate the device from a Li−Ion battery or a two−cell Alkaline NiMH. Its ability to boost voltages up to 25 V, and to provide 1 W output power, makes the NCP1406SNT1G the perfect solution for biasing small and large OLED panels. This device also makes a perfect solution for biasing a great number of white LEDs in series. A Chip Enable pin allows the user to control the device to extend the battery life during standby, and can be pulse−width modulated for white LED applications. The versatility of the NCP1406 allows it to be configured not only as a step−up converter, but also as an inverter and as a step−down converter. This solution is proposed in a space−saving TSOP−5 package. NCP1406SNT1G Features • 87% Efficiency at VOUT = 25 V, IOUT = 25 mA, VIN = 5 V• Adjustable Output Voltage up to 25 V• 0.8 A, 26 V Internal Power Switch• Operating Input Voltage from 1.4 V to 5.5 V• Low Startup Voltage of 1.8 V Typical at No Load• Low Operating Current of 15 A (Not Switching)• Low Shutdown Current of 0.3 A• Operating Switching Frequency up to 1 MHz• Output Voltage Soft−Start• Thermal Shutdown Protection• These are Pb−Free Devices• NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable NCP1406SNT1G Applications • LCD Bias Supplies• Small and Large OLED Display Drivers• White LED Driver for Backlight Displays• Personal Digital Assistants (PDA)• Portable Applications:- Cell Phones, Digital Cameras- PDAs, Games, and Portable Video Players


[{"Name":"Input Voltage MAX:","Value":"5.5 V"},{"Name":" Switching Frequency:","Value":"1 MHz"},{"Name":"Output Voltage:","Value":"25 V"},{"Name":"Output Current:","Value":"25 mA"},{"Name":"Number of Outputs:","Value":"1"},{"Name":" Maximum Operating Temperature:","Value":"+ 85 C"},{"Name":" Input Voltage MIN:","Value":"1.4 V"},{"Name":"Minimum Operating Temperature:","Value":"- 40 C"},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information


Diodes Incorporated is a leading global manufacturer and supplier of high-quality, application-specific, standard products within the broad discrete, logic and analog semiconductor markets. Diodes Incorporated primarily serves the computing, consumer, communications, industrial and automotive segments. Diodes’ diverse product portfolio includes parts for LCD/LED TVs and displays, desktop, notebook and tablet computing, smartphones and hand-held devices, set-top boxes, power supplies and USB protection as well as many other application areas.

Diodes Incorporated offers a wide array of products including diodes, rectifiers, transistors, MOSFETs, gate drivers, protection devices, function-specific arrays, amplifiers and comparators, Hall-effect sensors and temperature sensors, power management devices including LED drivers, AC-DC converters and controllers, DC-DC switching regulators, linear voltage regulators, current monitors, and voltage reference and shunt regulators, along with special function devices including USB power switches, load switch devices, voltage supervisors and motor controllers.

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