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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-18 V |
| Switching frequency | 200-1000 kHz |
| Output 1 | 1.8 V / 5 A |
| Output 2 | 1.2 V / 5 A |
| IC revision | Datasheet |
Description
4.5V to 18V, 5A/5A Dual Synchronous Step-Down ConverterThe RT2825 features two synchronous wide input rangehigh efficiency buck converters that cab deliver up to 5A/5A output current from a 4.5V to 18V input supply. Theconverters are designed to simplify its application whilegiving the designer the option to optimize their usageaccording to the target application.DS2825-00 May 2017
Features
Wide Input Supply Voltage Range : 4.5V to 18V Fully Integrated Dual-Buck, Up to 5A/5A Adjustable Switching Frequency 200kHz to 1MHzSet by External Resistor or SYNC Signal Dedicated Enable/Soft-Start for Each Buck Current Mode Control with Simple CompensationCircuit Adjustable Cycle-by-Cycle Current Limit Set byExternal Resistor Over-Temperature Protection Power Good Indicator Discontinuous Operating Mode at Light Load whenLOWP = L 1% VREF Accuracy RoHS Compliant and Halogen Free
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 | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCI SMT Flat Wire High Current Inductor, 1.2 µH, 32.6 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance1.2 µH | Performance Rated Current32.6 A | Saturation Current @ 10%12 A | Saturation Current @ 30%25 A | DC Resistance1.8 mΩ | Self Resonant Frequency75 MHz | MaterialSuperflux | ||||
| WE-HCI SMT Flat Wire High Current Inductor, 1.3 µH, 32.1 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance1.3 µH | Performance Rated Current32.1 A | Saturation Current @ 10%11 A | Saturation Current @ 30%25 A | DC Resistance1.8 mΩ | Self Resonant Frequency59 MHz | MaterialWE-PERM | ||||
| WE-HCI SMT Flat Wire High Current Inductor, 1.8 µH, 22.1 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance1.8 µH | Performance Rated Current22.1 A | Saturation Current @ 10%7 A | Saturation Current @ 30%18 A | DC Resistance3.5 mΩ | Self Resonant Frequency70 MHz | MaterialSuperflux | ||||
| WE-HCI SMT Flat Wire High Current Inductor, 2 µH, 26.5 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance2 µH | Performance Rated Current26.5 A | Saturation Current @ 10%9 A | Saturation Current @ 30%22 A | DC Resistance2.6 mΩ | Self Resonant Frequency45 MHz | MaterialWE-PERM | ||||
| WE-HCI SMT Flat Wire High Current Inductor, 2.4 µH, 18.6 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance2.4 µH | Performance Rated Current18.6 A | Saturation Current @ 10%6.9 A | Saturation Current @ 30%17 A | DC Resistance4.75 mΩ | Self Resonant Frequency67 MHz | MaterialSuperflux | ||||
| WE-HCI SMT Flat Wire High Current Inductor, 2.8 µH, 22.5 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance2.8 µH | Performance Rated Current22.5 A | Saturation Current @ 10%8 A | Saturation Current @ 30%17.5 A | DC Resistance3.3 mΩ | Self Resonant Frequency35 MHz | MaterialWE-PERM | ||||
| WE-HCI SMT Flat Wire High Current Inductor, 3.3 µH, 16.6 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance3.3 µH | Performance Rated Current16.6 A | Saturation Current @ 10%5 A | Saturation Current @ 30%15 A | DC Resistance5.9 mΩ | Self Resonant Frequency54 MHz | MaterialSuperflux | ||||
| WE-HCI SMT Flat Wire High Current Inductor, 3.7 µH, 18.3 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance3.7 µH | Performance Rated Current18.3 A | Saturation Current @ 10%7 A | Saturation Current @ 30%16 A | DC Resistance4.9 mΩ | Self Resonant Frequency26 MHz | MaterialWE-PERM | ||||
| WE-HCI SMT Flat Wire High Current Inductor, 4.2 µH, 15.4 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance4.2 µH | Performance Rated Current15.4 A | Saturation Current @ 10%5 A | Saturation Current @ 30%14 A | DC Resistance7.1 mΩ | Self Resonant Frequency33 MHz | MaterialSuperflux | ||||
| WE-HCI SMT Flat Wire High Current Inductor, 4.7 µH, 14.9 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance4.7 µH | Performance Rated Current14.9 A | Saturation Current @ 10%6 A | Saturation Current @ 30%15 A | DC Resistance7 mΩ | Self Resonant Frequency30 MHz | MaterialWE-PERM |