Technical Specifications
Parameters and characteristics for this part
| Specification | NCP81142MNTXG |
|---|---|
| Applications | Controller, Intel VR12.5 |
| Mounting Type | Surface Mount |
| Number of Outputs | 1 |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -40 °C |
| Supplier Device Package | 32-WQFN (4x4) |
| Voltage - Input [Max] | 5.25 V |
| Voltage - Input [Min] | 4.75 V |
| Voltage - Output [Max] | 2.3 V |
| Voltage - Output [Min] | 0.5 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Cut Tape (CT) | 1 | $ 2.74 | |
| 10 | $ 2.46 | |||
| 25 | $ 2.32 | |||
| 100 | $ 1.86 | |||
| 250 | $ 1.63 | |||
| 500 | $ 1.58 | |||
| 1000 | $ 1.25 | |||
| Digi-Reel® | 1 | $ 2.74 | ||
| 10 | $ 2.46 | |||
| 25 | $ 2.32 | |||
| 100 | $ 1.86 | |||
| 250 | $ 1.63 | |||
| 500 | $ 1.58 | |||
| 1000 | $ 1.25 | |||
| Tape & Reel (TR) | 4000 | $ 1.21 | ||
| 8000 | $ 1.16 | |||
| Newark | Each (Supplied on Full Reel) | 4000 | $ 1.23 | |
| 8000 | $ 1.19 | |||
| ON Semiconductor | N/A | 1 | $ 1.23 | |
Description
General part information
NCP81142 Series
The NCP81142 Multi-Phase buck solution is optimized for Intel VR12.5 compatible CPUs with user configurable 4/3/2/1 phases. The controller combines true differential voltage sensing, differential inductor DCR current sensing, input voltage feed-forward, and adaptive voltage positioning to provide accurately regulated power for both Desktop and Notebook applications. The control system is based on Dual-Edge pulse-width modulation (PWM) combined with DCR current sensing providing the fastest initial response to dynamic load events at reduced system cost. It has the capability to shed to single phase during light load operation and can auto frequency scale in light load conditions while maintaining excellent transient performance. High performance operational error amplifiers are provided to simplify compenstion of the system. Patented Dynamic Reference Injection further simplifies loop compensation by eliminating the need to compromise between closed-loop transient response and Dynamic VID performance. Patented Total Current Summing provides highly accurate digital current monitoring.
Documents
Technical documentation and resources