LT8640IUDC-1#PBF vs LT8640SEV#PBF Comparison
Detailed side-by-side comparison of LT8640IUDC-1#PBF by Analog Devices and LT8640SEV#PBF by Analog Devices. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Specification Comparison
| Parameter | LT8640IUDC-1#PBF | LT8640SEV#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) | $5.10 | $6.93 |
| Topology | Synchronous Buck (Step-Down) | 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 (adjustable) |
| Maximum Output Current | 5 A | 6 A |
| Switching Frequency Range | 200 kHz to 3 MHz | — |
| Minimum Top Switch On-Time | 30 ns | 30 ns |
| Quiescent Current (Burst Mode) | 2.5 uA | — |
| Operating Temperature Range | -40C to +125C (TJ) | — |
| Package | 20-WFQFN, 18 leads, exposed pad (3 mm x 4 mm) | — |
| Mounting Type | Surface Mount | Surface Mount |
| Mode (LT8640-1) | Forced Continuous PWM at light load | — |
| Mode Selection | Burst / Spread-Spectrum / SYNC / Forced-Continuous via SYNC/MODE pin | — |
| Efficiency (architectural claim) | Silent Switcher architecture, low-EMI | — |
| MSL Level | 1 (unlimited) | — |
| Lead-Free / RoHS | Yes (PBF suffix) | — |
| Switching Architecture | — | Silent Switcher 2 |
| Quiescent Current | — | 2.5 uA (Burst Mode) |
| Synchronous Rectifier | — | Internal MOSFETs |
| Operating Junction Temperature | — | -40 C to +125 C |
| Package Type | — | 24-lead LQFN with Exposed Pad |
| Package Dimensions | — | 4 mm x 4 mm |
| Thermal Resistance (theta_JC) | — | [DATA_NEEDED: theta_JC from datasheet] |
| Switching Frequency | — | Adjustable, up to ~3 MHz [DATA_NEEDED: exact fSW range] |
| Sync/Clock Input | — | Yes (SYNC/MODE pin) |
| Spread Spectrum EMI Reduction | — | Yes |
| MSL Moisture Sensitivity | — | [DATA_NEEDED: MSL level] |
| RoHS Status | — | Compliant |
| Lead Finish | — | Au (Gold) - PBF suffix |
| Manufacturer | — | Analog Devices (formerly Linear Technology) |