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Overview
| Topology | Boost Converter |
| Input voltage | 2.5-4.5 V |
| Output 1 | 6 V / 5 A |
Description
The EVAL-LT8349-BZ evaluation board provides a proven design to evaluate the LT8349, 2-Phase low IQ, synchronous boost converter. The application circuit is configured to demonstrate optimum performance and component size. Using the board layout example, optimized for conducted, radiated EMI, and thermal performance, will help ensure the designer sees similar performance in their system.The evaluation board is configured to run at 2MHz per phase with a 6V output voltage from an input voltage range of 2.5V to 4.5V and deliver up to 5A load current when VIN is 4.5V.
Features
Input Voltage Range: 2.5V to 4.5V6V Output VoltageUp to 5A Load Current at 4.5V input voltage2MHz (per phase) Switching FrequencyHigh 97.1% Efficiency (VIN = 4.5V, IOUT = 1A)Enable/UVLO Input, Resistor-Programmable UVLO ThresholdSelectable Mode of operationSelectable Burst Mode Peak Current (IPK_BURST) levels for optimization of performanceExternal Frequency SynchronizationExternal CompensationOvertemperature ProtectionProven Printed Circuit Board (PCB) LayoutFully Assembled and TestedComplies with CISPR32 (EN55032) Class B Conducted and Radiated Emissions
Typical applications
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,30% (A) | RDC typ. (mΩ) | fres (MHz) | VOP (V) | Mount | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR (A) | Z @ 1 GHz (Ω) | H (mm) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744383360047 | SPEC | 10 files | Active i| Production is active. Expected lifetime: >10 years. | WE-MAPI SMT Power Inductor | 0.47 | 7.55 | 9.8 | 18 | 99 | 80 | SMT | – | – | – | 4.8 | – | 2 | – | ||
 | 74279226101 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-MPSB EMI Multilayer Power Suppression Bead | – | – | – | 4.5 | – | – | SMT | 100 | 160 | 1100 MHz | 8 | 150 | 2.3 | High Current |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744383360047 | SPEC | |
| 74279226101 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | L (µH) | IRP,40K (A) | ISAT,30% (A) | RDC typ. (mΩ) | fres (MHz) | VOP (V) | Mount | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR (A) | Z @ 1 GHz (Ω) | H (mm) | Type | Samples |
|---|
