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Analog Devices LT8640S | Demoboard DC2530A
42V, 6A Micropower Synchronous Step-Down Silent Switcher 2
Overview
| Topology | Buck Converter |
| Input voltage | 5.8-42 V |
| Switching frequency | 1850-2150 kHz |
| Output 1 | 5 V / 6 A |
| IC revision | 1 |
Description
Demonstration circuit 2530A is a 42V, 6A micropower synchronousstep-down second generation Silent Switcher®with spread spectrum frequency modulation featuringthe LT8640S. The demo board is designed for 5V outputfrom a 5.8V to 42V input. The wide input range allows avariety of input sources, such as automotive batteries andindustrial supplies. The LT8640S is a compact, ultralowemission, high efficiency, and high speed synchronousmonolithic step-down switching regulator. The integratedbypass capacitors optimize all the fast current loops andmake it easier to minimize EMI/EMC emissions by reducinglayout sensitivity. Selectable spread spectrum modecan further improve EMI/EMC performance. Ultralow quiescentcurrent in Burst Mode® operation achieves highefficiency at very light loads. Fast minimum on-time of30ns enables high VIN to low VOUT conversion at highfrequency.
More information
Products
| Order Code | Datasheet | Simulation | Downloads | Product series | L (mm) | f (mm) | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR (mA) | Z @ 1 GHz (Ω) | H (mm) | Type | Pins (pcs) | Rows | Gender | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 74279226101 | SPEC | 8 files | WE-MPSB EMI Multilayer Power Suppression Bead | 4.5 | – | 100 | 160 | 1100 MHz | 8000 | 150 | 2.3 | High Current | – | – | – | – | ||
 | 62000821121 | SPEC | – | 6 files | WR-PHD 2.00 mm THT Dual Pin Header | 8 | – | – | – | – | 2000 | – | – | Straight | 8 | Dual | Pin Header | Bag | |
 | 702935000 | SPEC | – | 3 files | WA-SNSR Self-Retaining Spacer | 12.7 | 4.8 | – | – | – | – | – | – | – | – | – | – | – | |
 | 60800213421 | SPEC | – | 3 files | WR-PHD 2.00 mm Jumper with Test Point | – | – | – | – | – | 3000 | – | – | – | 2 | – | Jumper | Bag |
| Order Code | Datasheet | Simulation | |
|---|---|---|---|
| 74279226101 | SPEC | |
| 62000821121 | SPEC | – |
| 702935000 | SPEC | – |
| 60800213421 | SPEC | – |
| Samples |
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| Order Code | Datasheet | Simulation | Downloads | Product series | L (mm) | f (mm) | Z @ 100 MHz (Ω) | Zmax (Ω) | Test Condition Zmax | IR (mA) | Z @ 1 GHz (Ω) | H (mm) | Type | Pins (pcs) | Rows | Gender | Packaging | Samples |
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