Product Information

NCP81142MNTXG

Name: NCP81142MNTXG
Brand: ON Semiconductor
SKU: NCP81142MNTXG_ONSemiconductor
Availability: OutOfStock
Rating: 5 (11 reviews)

NCP81142MNTXG electronic component of ON Semiconductor

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Datasheet

Switching Controllers VR CONTROLLER

Manufacturer: ON Semiconductor

This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges

Price (USD)

285: USD 1.3183 ea
Line Total: USD 375.72

0 - Global Stock

MOQ: 285 Multiples: 285
Pack Size: 285

More Buying Options & Price Grid(s)

Availability	Price	Buy Price	Quantity
0 - WHS 1 Ships to you between Wed. 15 May to Tue. 21 May MOQ : 285 Multiples : 285 NCP81142MNTXG ON Semiconductor	285 : USD 1.3183

0 - WHS 2 Ships to you between Wed. 15 May to Tue. 21 May MOQ : 4000 Multiples : 4000 NCP81142MNTXG ON Semiconductor	4000 : USD 1.9501

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Additional Infomation About Product

NCP81142 Multiple-Phase Controller with SVID Interface for Desktop and Notebook CPU Applications www.onsemi.com The NCP81142 MultiPhase buck solution is optimized for Intel VR12.5 compatible CPUs with user configurations of 4/3/2/1 MARKING phases. The controller combines true differential voltage sensing, DIAGRAM differential inductor DCR current sensing, input voltage feedforward, and adaptive voltage positioning to provide accurately NCP 1 regulated power for both Desktop and Notebook applications. The 81142 ALYW control system is based on DualEdge pulsewidth modulation QFN32 (PWM) combined with DCR current sensing providing the fastest CASE 485CD initial response to dynamic load events at reduced system cost. It has A = Assembly Location the capability to shed to single phase during light load operation and L = Wafer Lot can auto frequency scale in light load conditions while maintaining Y = Year excellent transient performance. W = Work Week High performance operational error amplifiers are provided to = PbFree Package simplify compensation of the system. Patented Dynamic Reference (Note: Microdot may be in either location) Injection further simplifies loop compensation by eliminating the need to compromise between closedloop transient response and Dynamic VID performance. Patented Total Current Summing provides highly ORDERING INFORMATION accurate digital current monitoring. See detailed ordering and shipping information in the package dimensions section on page 19 of this data sheet. Features Meets Intel VR12.5 Specifications Current Mode Dual Edge Modulation for Fastest Initial Response to Transient Loading High Performance Operational Error Amplifier Digital Soft Start Ramp Dynamic Reference Injection Accurate Total Summing Current Amplifier Dual High Impedance Differential Voltage and Total Power Saving Phase Shedding Current Sense Amplifiers Vin Feed Forward Ramp Slope PhasetoPhase Dynamic Current Balancing Over Voltage Protection (OVP) & Under Voltage Lossless DCR Current Sensing for Current Balancing Protection (UVP) True Differential Current Balancing Sense Amplifiers Over Current Protection (OCP) for Each Phase VRRDY Output with Internal Delays Adaptive Voltage Positioning (AVP) These are PbFree Devices Switching Frequency Range of 290 kHz 590 kHz Applications Startup into PreCharged Loads While Avoiding False Desktop and Notebook Processors OVP Semiconductor Components Industries, LLC, 2015 1 Publication Order Number: August, 2018 Rev. 3 NCP81142/DNCP81142 CS Amp Current VSN + Measurement DAC & Limit Error DIFFAMP Amp GND VSP CSREF VSP OVP TSENSE Thermal OVP VSN Monitor VRHOT VSPVSN TSENSE SDIO VBOOT SVID Interface Data ALERT MUX ADC Registers IOUT SCLK IMAX ADDR CSN4 DAC DAC CSP4 CSN2 CSP2 Enable IPH4 VR Ready VSP CSN3 VRDY Comparator IPH3 VSN Current Balance IPH2 DAC CSP3 IPH1 CSN1 CSP1 RAMP1 RAMP2 OVP RAMP3 PWM COMP RAMP4 Generators Enable Enable GND Enable Ramp Generators UVLO & EN VCC ENABLE Power State Stage NCP81142 Figure 1. Block Diagram for NCP81142 www.onsemi.com 2 VRMP DIFFOUT PWM4/ROSC PWM3/VBOOT PWM2/IMAX FB PWM1/INT SEL COMP DRON ILIM IOUT CSSUM CSREF CSCOMP

HS Compliance

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:

ON Semiconductor may also be referenced as

Aptina / ON Semiconductor
FAIRCHILD
FAIRCHILD (ON SEMICONDUCTOR)
Fairchild Semiconductor
FS8
FSC
ON
ON SEMI
ON Semicon
ON SEMICONDUCTOR
ON SEMICONDUCTOR (FAIRCHILD)
ON Semiconductor / Fairchild
ON4
ON5
onsemi
ON-SEMI
onsemi / Fairchild
OOF
Xsens / Fairchild

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