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Analog Devices LT7184S | Demoboard EVAL-LT7184S-AZ
Dual Channel 9A, 16V, PolyPhase Step-Down Silent Switcher 2 with Digital Power System Management
Overview
| Topology | Buck Converter |
| Input voltage | 2.9-16 V |
| Output 1 | 3.3 V / 9 A |
| Output 2 | 1.2 V / 9 A |
Description
The EVAL-LT7184S-AZ evaluation board is a dual-output PolyPhase® monolithic DC/DC synchronous step-down regulator with a 2.9V or 1.5V with EXTVCC to 16V input range featuring LT®7184S. Each output can supply -8A to +9A continuous current and simultaneously deliver up to 7A of continuous current from both channels. The second-generation Silent Switcher® regulator structure is incorporated into the LT7184S to minimize EMI and reduce Printed circuit board (PCB) layout sensitivity. It also integrates digital power system management functions, allowing for programmability and telemetry with a PMBus/I2C-compliant serial interface. Refer to the LT®7184S datasheet for more detailed information.
Features
Silent Switcher 2 Architecture: Enables Compact, Efficient, Low EMI SolutionPMBus/I2C Serial InterfaceTelemetry Read Back Includes: VOUT, IOUT, VIN, Die Temperature, FaultsProgrammable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, UV/OV, Phase, Frequency (up to 4MHz), Loop CompensationIntegrated EEPROM with Fault Event LogSet Key Parameters with Configuration Resistors for Operation without Programming±0.25% Output Voltage Accuracy over Temperature from 0.6V to 1.375VPolyPhase® Load Sharing for up to Eight PhasesWide VIN Range: Down to 2.9V, or 1.5V with EXTVCC up to 16VOver 94% Peak Efficiency at 1MHz, 12VIN to 3.3VOUTVOUT Range: 0.4V to 5.5V (up to 85% x VIN);Differential Remote VOUT SenseExternal Frequency Synchronization36-Lead (4mm x 5mm) LQFN Package
Typical applications
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) | fres (MHz) | Mount | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR (mA) | Z @ 1 GHz (Ω) | H (mm) | Type | Pins (Value) | Rows | Gender | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 744373240047 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WE-LHMI SMT Power Inductor | 0.47 | 8.7 | 10.4 | 19.6 | 14 | 122 | SMT | – | – | – | – | – | 1.8 | – | 2 | – | – | – | ||
 | 74279226101 | SPEC | 9 files | Active i| Production is active. Expected lifetime: >10 years. | WE-MPSB EMI Multilayer Power Suppression Bead | – | – | – | – | 6 | – | SMT | 100 | 160 | 1100 MHz | 8000 | 150 | 2.3 | High Current | – | – | – | – | ||
 | 60800213421 | SPEC | – | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.00 mm Jumper with Test Point | – | – | – | – | – | – | – | – | – | – | 3000 | – | – | – | 2 | – | Jumper | Bag | |
 | 62000311121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.00 mm THT Pin Header | – | – | – | – | – | – | THT | – | – | – | 2000 | – | – | Straight | 3 | Single | Pin Header | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 744373240047 | SPEC | |
| 74279226101 | SPEC | |
| 60800213421 | SPEC | – |
| 62000311121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | 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 | Pins (Value) | Rows | Gender | Packaging | Samples |
|---|