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Analog Devices LTM4652 | Demoboard EVAL-LTM4652-AZ
LTM4652 | Bidirectional Dual 25A or Single 50A Step-Down μModule Regulator
Overview
| Topology | Buck Converter |
| Input voltage | 4.5-18 V |
| Output 1 | 1.5 V / 25 A |
| Output 2 | 1.2 V / 25 A |
Description
The EVAL-LTM4652-AZ evaluation board features the LTM®4652EY, source/sink dual ±25A or single ±50A output switching mode step-down DC-to-DC μModule® regulator. The input voltage is from 4.5V to 18V. The output voltage is programmable from 0.6V to 5V. The EVAL-LTM4652-AZ evaluation board can deliver 25A maximum current from each channel. As explained in the LTM4652 data sheet, the output current derating is necessary for certain VIN, VOUT, and thermal conditions. The EVAL-LTM4652-AZ evaluation board operates in continuous-conduction mode (CCM) in heavy load conditions. For high efficiency at low load currents, pulse-skipping mode (PSM) is selected with the MODE jumper (JP1) for noise-sensitive applications. Two outputs can be connected in parallel for a single 50A output solution with optional jumper resistors. The evaluation board allows the user to program how its output ramps up and down through the TRACK/SS pin. The output can be set up to either coincidentally, or ratiometrically track with another supply’s output. Remote output voltage sensing is available for improved output voltage regulation at the load point. These features and the compact size of the LTM4652, 16mm × 16mm × 4.92mm, BGA package, make it ideal for use in many high-density point-of-load (POL) regulation applications. The LTM4652 data sheet must be read in conjunction with this user guide for working on or modifying the EVAL-LTM4652-AZ evaluation board.
Features
Bidirectional Output Current up to ±25AParallel Channel Current Sharing up to ±50ACurrent Mode Control/Fast Transient ResponseOutput Voltage Differential Remote Sensing
Typical applications
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | Pins (Value) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 885012006055 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | 47 pF | ±5% | 50 | 0603 | -55 °C up to +125 °C | 1000 | – | 10 GΩ | NP0 Class I | 1.6 | 0.8 | 0.4 | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
| 885012006057 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | 100 pF | ±5% | 50 | 0603 | -55 °C up to +125 °C | 1000 | – | 10 GΩ | NP0 Class I | 1.6 | 0.8 | 0.4 | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
| 885012206079 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | 220 pF | ±10% | 50 | 0603 | -55 °C up to +125 °C | – | 2.5 | 10 GΩ | X7R Class II | 1.6 | 0.8 | 0.4 | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
| 885012206088 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 50 V(DC) | 6.8 nF | ±10% | 50 | 0603 | -55 °C up to +125 °C | – | 2.5 | 10 GΩ | X7R Class II | 1.6 | 0.8 | 0.4 | – | – | 0.8 | – | – | – | 7" Tape & Reel | ||
| 885012109009 | SPEC | 8 files | Active i| Production is active. Expected lifetime: >10 years. | WCAP-CSGP MLCCs 16 V(DC) | 10 µF | ±20% | 16 | 1210 | -55 °C up to +85 °C | – | 5 | 0.05 GΩ | X5R Class II | 3.2 | 2.5 | 0.75 | – | – | 2 | – | – | – | 7" Tape & Reel | ||
 | 60800213421 | SPEC | – | 3 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.00 mm Jumper with Test Point | – | – | – | – | -25 °C up to +105 °C | – | – | 1000 MΩ | – | – | – | – | 2 | – | – | Jumper | – | 3 | Bag | |
 | 62000311121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.00 mm THT Pin Header | – | – | – | – | -40 °C up to +105 °C | – | – | 1000 MΩ | – | 6 | – | – | 3 | Single | – | Pin Header | Straight | 2 | Bag | |
 | 62000621121 | SPEC | – | 6 files | Active i| Production is active. Expected lifetime: >10 years. | WR-PHD 2.00 mm THT Dual Pin Header | – | – | – | – | -40 °C up to +105 °C | – | – | 1000 MΩ | – | 6 | – | – | 6 | Dual | – | Pin Header | Straight | 2 | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 885012006055 | SPEC | |
| 885012006057 | SPEC | |
| 885012206079 | SPEC | |
| 885012206088 | SPEC | |
| 885012109009 | SPEC | |
| 60800213421 | SPEC | – |
| 62000311121 | SPEC | – |
| 62000621121 | SPEC | – |
| Samples |
|---|
| Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR (V (DC)) | Size | Operating Temperature | Q | DF (%) | RISO | Ceramic Type | L (mm) | W (mm) | Fl (mm) | Pins (Value) | Rows | H (mm) | Gender | Type | IR (A) | Packaging | Samples |
|---|
