LT8640IUDC-1#PBF vs LT8640EUDC#TRPBF Comparison
Detailed side-by-side comparison of LT8640IUDC-1#PBF by Analog Devices and LT8640EUDC#TRPBF 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 | LT8640EUDC#TRPBF |
|---|---|---|
| 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 | $5.48 |
| Topology | Synchronous Buck (Step-Down) | Synchronous Buck (Step-Down) |
| 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 41.58 V (adjustable) |
| Maximum Output Current | 5 A | 5 A |
| Switching Frequency Range | 200 kHz to 3 MHz | — |
| Minimum Top Switch On-Time | 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) | 20-WFQFN / 18-lead QFN with Exposed Pad (LGA-style UD package) |
| 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 | Burst Mode / Spread Spectrum / External Sync / Pulse-Skipping / Forced Continuous |
| Efficiency (architectural claim) | Silent Switcher architecture, low-EMI | — |
| MSL Level | 1 (unlimited) | 1 |
| Lead-Free / RoHS | Yes (PBF suffix) | — |
| Number of Outputs | — | 1 |
| Switching Frequency | — | Up to 3 MHz (programmable) |
| Quiescent Current | — | 2.5 µA (output in regulation, Burst Mode) |
| Minimum Switch On-Time | — | 30 ns (top switch) |
| Architecture | — | Silent Switcher (low EMI) |
| Operating Junction Temperature | — | -40 °C to +125 °C (E grade, design assured over -40 to +125) |
| RoHS Status | — | Compliant (Pb-free) |
| Output Polarity | — | Positive |