LT8640SEV-2#PBF vs LT8640SIV#PBF Comparison
Detailed side-by-side comparison of LT8640SEV-2#PBF by Analog Devices and LT8640SIV#PBF by Analog Devices. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Analog Devices
LT8640SEV-2#PBF - 42V, 6A Synchronous Step-Down Silent Switcher | ADI
LT8640SEV-2#PBF ✓ ActiveAnalog Devices
LT8640SIV#PBF - 42V, 6A Silent Switcher 2 Buck | Analog Devices
LT8640SIV#PBF ✓ ActiveSpecification Comparison
| Parameter | LT8640SEV-2#PBF | LT8640SIV#PBF |
|---|---|---|
| Brand | Analog Devices | Analog Devices |
| Category | DC-DC Converters | DC-DC Converters |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $9.20 | $4.95 |
| Topology | Synchronous Step-Down (Buck) | Synchronous Step-Down (Buck) |
| Input Voltage Range | 3.4 V to 42 V | 3.4 V to 42 V |
| Output Voltage Range | 0.97 V to 41.58 V (adjustable) | 0.97 V to 10 V (max 41.58 V) |
| Maximum Output Current | 6 A | 6 A |
| Switching Frequency Range | 200 kHz to 3 MHz | — |
| Minimum Switch On-Time | 30 ns | — |
| Peak Efficiency | 96% | 95 % |
| Quiescent Current (Burst Mode) | 2.5 uA | — |
| Architecture | Silent Switcher 2 (ultra-low EMI) | Silent Switcher 2 (internal bypass caps, low-noise) |
| Control Mode | Peak Current-Mode | — |
| Synchronization | External clock, SYNC/MODE pin (spread spectrum, pulse-skipping, forced continuous) | — |
| Package | 24-LQFN-EP (4 mm x 6 mm) | 24-LFQFN Exposed Pad (4 mm x 6 mm) |
| Operating Junction Temperature | -40C to +125C | — |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 3 | 3 (168 hours) |
| RoHS Status | Compliant | Compliant |
| EMI Compliance | CISPR 25 / CISPR 32 Class 5 (with minimal filtering) | — |
| Quiescent Current | — | 2.5 µA (typical) |
| Switching Frequency | — | Up to 3 MHz |
| Operating Temperature | — | -40 °C to +125 °C |
| Output Type | — | Adjustable |
| Number of Outputs | — | 1 |
| Synchronous Rectifier | — | Yes (internal) |
| Lead-Free / PBF | — | Yes (#PBF suffix) |