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NCP3101C

ON Semiconductor
Part Number NCP3101C
Manufacturer ON Semiconductor
Description Wide Input Voltage Synchronous Buck Converter
Published Jul 10, 2014
Detailed Description NCP3101C Wide Input Voltage Synchronous Buck Converter The NCP3101C is a high efficiency, 6 A DC−DC buck converter desig...
Datasheet PDF File NCP3101C PDF File

NCP3101C
NCP3101C

Overview
NCP3101C Wide Input Voltage Synchronous Buck Converter The NCP3101C is a high efficiency, 6 A DC−DC buck converter designed to operate from a 5 V to 12 V supply.
The device is capable of producing an output voltage as low as 0.
8 V.
The NCP3101C can continuously output 6 A through MOSFET switches driven by an internally set 275 kHz oscillator.
The 40−pin device provides an optimal level of integration to reduce size and cost of the power supply.
The NCP3101C also incorporates an externally compensated transconductance error amplifier and a capacitor programmable soft−start function.
Protection features include programmable short circuit protection and input under voltage lockout (UVLO).
The NCP3101C is available in a 40−pin QFN package.
Features http://onsemi.
com MARKING DIAGRAM QFN40, 6x6 CASE 485AK 1 40 A WL YY WW G NCP3101C AWLYYWWG • • • • • • • • • • • • Split Power Rail 2.
7 V to 18 V on PWRVCC 275 kHz Internal Oscillator Greater Than 90% Max Efficiency Boost Pin Operates to 35 V Voltage Mode PWM Control 0.
8 V $1% Internal Reference Voltage Adjustable Output Voltage Capacitor Programmable Soft−Start 85% Max Duty Cycle Input Undervoltage Lockout Resistor Programmable Current Limit These are Pb−Free Devices = Assembly Location = Wafer Lot = Year = Work Week = Pb−Free Package ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 24 of this data sheet.
Applications • Servers / Networking • DSP and FPGA Power Supply • DC−DC Regulator Modules D1 CBST CPHS BST PWRVCC PWRPHS PWRVCC PWRPHS EP (EP) VCC PWRGND CVCC BG COMP/DIS RSET CP FC AGND (EP) PWRGND (EP) FB AGND R2 LO CO R1 100 95 90 EFFICIENCY (%) 85 80 75 70 65 60 55 50 0 1 2 VIN = 5 V VIN = 12 V CIN CC VOUT = 3.
3 V IOUT (A) 3 4 5 6 Figure 1.
Typical Application Diagram Figure 2.
Efficiency © Semiconductor Components Industries, LLC, 2011 August, 2011 − Rev.
1 1 Publication Order Number: NCP3101C/D NCP3101C VCC 13 FB 16 POR UVLO BST 24 TGOUT...


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