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Analog Devices MAX25255 | Demoboard MAX25255DUALEVKIT
Dual 36V Input Voltage, 8A Synchronous Buck Converters with Multiphase Capability and ASIL B
Overview
| Topology | Buck Converter |
| Input voltage | 3-36 V |
| Switching frequency | 200-2000 kHz |
| Output 1 | 14 V / 16 A |
| Output 2 | 3.3 V / 12 A |
| IC revision | 1 |
Description
The MAX25255 dual phase evaluation kit (EV kit) provides a proven design to evaluate the MAX25254/MAX25255 automotive 2MHz synchronous buck converter dual phase operation. The EV kit comes with a MAX25255DAFDA/VY+ (3.3V/2MHz) installed, as well as various test points and jumpers for evaluation.The EV kit is designed to deliver up to 12A with input voltage 3V to 36V. The output voltage quality can be monitored by observing the PGOOD1 signal. The EV kit can also be used to evaluate other MAX25254/MAX25255 variants with minimal component changes.
Features
- Input Supply Range from 3V to 36V
- Buck Provides 3.3V Fixed Output and Adjustable from 0.8V to 14V
- Delivers up to 12A/16A Output Current
- Selectable BIAS LDO Input Source
- Frequency-Synchronization Input
- Independent Enable Inputs
- Spread-Spectrum Available
- Voltage Monitoring PGOOD Output Available
- Proven PCB Layout
- Fully Assembled and Tested
Typical applications
- Dual Buck Conveters, Front-End Power Supply for Head Units
- Telematics Modules, Front Camera Power
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Mount | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR (mA) | Z @ 1 GHz (Ω) | H (mm) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744373240022 | SPEC | 8 files | WE-LHMI SMT Power Inductor | 0.22 | 11.4 | 10.8 | 22.3 | 7.3 | 195 | SMT | – | – | – | – | – | 1.8 | – | ||
 | 74279226101 | SPEC | 8 files | WE-MPSB EMI Multilayer Power Suppression Bead | – | – | – | – | 6 | – | SMT | 100 | 160 | 1100 MHz | 8000 | 150 | 2.3 | High Current |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744373240022 | SPEC | |
| 74279226101 | SPEC |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Product series | L (µH) | IRP,40K (A) | ISAT,10% (A) | ISAT,30% (A) | RDC max. (mΩ) | fres (MHz) | Mount | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR (mA) | Z @ 1 GHz (Ω) | H (mm) | Type | Samples |
|---|