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Overview
| Topology | Buck Converter |
| Input voltage | 11.4-12.6 V |
| Switching frequency | 197.9-596.8 kHz |
| Output 1 | 1.05 V / 10 A |
| Output 2 | 1.5 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
- Switching Voltage Regulators, DC-DC Converters
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | Material | LR(µH) | fres(MHz) | RDC typ.(mΩ) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCC SMT High Current Cube Inductor, 1.5 µH, 26.9 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCC SMT High Current Cube Inductor | Inductance1.5 µH | Performance Rated Current26.9 A | Saturation Current @ 10%21.9 A | Saturation Current @ 30%54.5 A | DC Resistance3.5 mΩ | MaterialIron Powder | Rated Inductance1.36 µH | Self Resonant Frequency120 MHz | DC Resistance2.8 mΩ | MountSMT | ||||
 | WE-XHMI SMT Power Inductor, 2.2 µH, 32.05 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | Inductance2.2 µH | Performance Rated Current32.05 A | Saturation Current @ 10%15.65 A | Saturation Current @ 30%32.1 A | DC Resistance2.42 mΩ | – | – | Self Resonant Frequency28 MHz | DC Resistance2.2 mΩ | MountSMT |