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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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744325120 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 1.2 | 32.6 | 12 | 25 | 1.8 | 75 | Superflux | ||
| 7443551130 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 1.3 | 32.1 | 11 | 25 | 1.8 | 59 | WE-PERM | ||
| 744325180 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 1.8 | 22.1 | 7 | 18 | 3.5 | 70 | Superflux | ||
| 7443551200 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 2 | 26.5 | 9 | 22 | 2.6 | 45 | WE-PERM | ||
| 744325240 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 2.4 | 18.6 | 6.9 | 17 | 4.75 | 67 | Superflux | ||
| 7443551280 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 2.8 | 22.5 | 8 | 17.5 | 3.3 | 35 | WE-PERM | ||
| 744325330 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 3.3 | 16.6 | 5 | 15 | 5.9 | 54 | Superflux | ||
| 7443551370 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 3.7 | 18.3 | 7 | 16 | 4.9 | 26 | WE-PERM | ||
| 744325420 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 4.2 | 15.4 | 5 | 14 | 7.1 | 33 | Superflux | ||
| 7443551470 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-HCI SMT Flat Wire High Current Inductor | 4.7 | 14.9 | 6 | 15 | 7 | 30 | WE-PERM |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744325120 | SPEC | |
| 7443551130 | SPEC | |
| 744325180 | SPEC | |
| 7443551200 | SPEC | |
| 744325240 | SPEC | |
| 7443551280 | SPEC | |
| 744325330 | SPEC | |
| 7443551370 | SPEC | |
| 744325420 | SPEC | |
| 7443551470 | SPEC |
| Samples |
|---|
| 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 |
|---|
