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Overview
| Topology | Buck Converter |
| Input voltage | 3-18 V |
| Switching frequency | 200-2000 kHz |
| Output 1 | 5.5 V / 25 A |
Description
The NCP3294 is a highly efficient stackable synchronous buck regulator, capable of operating with an input range from 3 V to 18 V and supporting up to 25 A continuous load currents. Higher output currents can be achieved by 2 parallel NCP3294 devices operating as an interleaved two−phase buck regulator.The NCP3294 utilizes fixed−frequency current−mode control to provide accurate voltage regulation and fast transient response. Flexible programming of function and parameters supports multiple applications.
Features
- VIN: 3−18 V with Input Feed−Forward
- VOUT: 0.5−5.5 V with Remote Output Voltage Sense
- 25 A Continuous Output Current – Stackable to 50 A
- Fixed Frequency Current Mode Control
- Integrated 5 V LDO or External Supply
- Enable with Programmable VIN UVLO
- Programmable Boot−Up Voltage
- Programmable Soft−Start
- Pre−Bias Start−Up
- Programmable Current Limit
- Power Good Indicator
- Selectable Protection Mode (Latch−off or Hiccup)
- Under−Voltage and Over−Voltage Protection
- Output Discharge in Shutdown
- 150°C Operating Junction Temperature
Typical applications
- Networking, Routers and Switches,Telecom Digital Baseband, Telecom Radio Unit
- DC−DC Modules, General Purpose POL Regulator
- Desktop Computers, Notebooks
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(nH) | LR(nH) | IR(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCM SMT High Current Flat Wire Inductor, 330 nH, 305 nH | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCM SMT High Current Flat Wire Inductor | Inductance330 nH | Rated Inductance305 nH | Rated Current25 A | Saturation Current @ 10%27.3 A | Saturation Current @ 30%32 A | DC Resistance0.37 mΩ | Self Resonant Frequency35 MHz | MaterialMnZn | ||||
 | WE-HCM SMT High Current Flat Wire Inductor, 470 nH, 240 nH | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCM SMT High Current Flat Wire Inductor | Inductance470 nH | Rated Inductance240 nH | Rated Current38 A | Saturation Current @ 10%32.1 A | Saturation Current @ 30%36.1 A | DC Resistance0.32 mΩ | Self Resonant Frequency20 MHz | MaterialMnZn |