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Overview
| Topology | Buck Converter |
| Input voltage | 11.4-12.6 V |
| Switching frequency | 197.9-596.8 kHz |
| Output 1 | 5 V / 12 A |
| Output 2 | 3.3 V / 13.3 A |
| Output 3 | 3.3 V / 10 A |
| IC revision | 11 |
Description
This reference guide describes the specifications, use, and various properties of the Non-Isolated Buck DC-DC Converter (hereafter referred to as this power supply). This reference design consists of 24 types of DC-DC converter designs in total. All take DC12 V as inputs and generate 8 different outputs which are DC 5 V/5 A, DC 5 V/8 A, DC 5 V/12 A, DC 3.3 V/10 A, DC 3.3 V/13.3 A, DC 3.3V/18.2 A, DC 1.5 V/10 A, DC 1.05 V/10 A, and each one further optimized in 3 ways, i.e. for: 50 % load efficiency, 100 % load efficiency, and area. Since small components are selected, they can be applied to Point of Load power supplies of various sizes and applications. Our power MOSFETs are used as switching elements, which allows high-speed switching and high-efficiency.
Features
- Non-Isolated Buck DC-DC Converter with synchronous rectification
- 8 power supply circuit designs with different output voltage and output power
- Each power supply circuit design has 3 variations
Typical applications
- High-Efficiency DC-DC Converters, Switching Voltage Regulators
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | Qty. | RDC max.(mΩ) | LR(µH) | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-HCC SMT High Current Cube Inductor, 0.68 µH, 22.5 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCC SMT High Current Cube Inductor | Inductance0.68 µH | Performance Rated Current22.5 A | Saturation Current @ 10%21.2 A | Saturation Current @ 30%23 A | – | Self Resonant Frequency181 MHz | MaterialFerrite | Packaging Unit500 | DC Resistance3.1 mΩ | Rated Inductance0.64 µH | –Check availability | |||
 | SPECWE-HCI SMT Flat Wire High Current Inductor, 1 µH, 16.8 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance1 µH | Performance Rated Current16.8 A | Saturation Current @ 10%8 A | Saturation Current @ 30%19 A | DC Resistance4.6 mΩ | Self Resonant Frequency85 MHz | MaterialSuperflux | Packaging Unit1000 | DC Resistance4.6 mΩ | Rated Inductance0.78 µH | –Check availability | |||
| SPECWE-HCC SMT High Current Cube Inductor, 1 µH, 18.8 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCC SMT High Current Cube Inductor | Inductance1 µH | Performance Rated Current18.8 A | Saturation Current @ 10%22.9 A | Saturation Current @ 30%25.1 A | – | Self Resonant Frequency147 MHz | MaterialFerrite | Packaging Unit500 | DC Resistance3.9 mΩ | Rated Inductance0.97 µH | –Check availability |
Availability Forecast
WE item number Packaging unitsLead time
––– weeks
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |
There is no forecast for this quantity request.
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