LT8640EUDC#TRPBF vs LT8640IUDC-1 Comparison
Detailed side-by-side comparison of LT8640EUDC#TRPBF by Analog Devices and LT8640IUDC-1 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
LT8640IUDC-1 - 42V, 5A Sync Buck Silent Switcher | Analog Devices
LT8640IUDC-1 ✓ ActiveSpecification Comparison
| Parameter | LT8640EUDC#TRPBF | LT8640IUDC-1 |
|---|---|---|
| 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) | $5.48 | $5.74 |
| 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 |
| Number of Outputs | 1 | — |
| Switching Frequency | Up to 3 MHz (programmable) | 200 kHz to 3 MHz (programmable) |
| Quiescent Current | 2.5 µA (output in regulation, Burst Mode) | 2.5 µA (Burst Mode, output in regulation) |
| Minimum Switch On-Time | 30 ns (top switch) | — |
| Architecture | Silent Switcher (low EMI) | Silent Switcher (integrated MOSFETs) |
| Mode Selection | Burst Mode / Spread Spectrum / External Sync / Pulse-Skipping / Forced Continuous | — |
| Operating Junction Temperature | -40 °C to +125 °C (E grade, design assured over -40 to +125) | -40 °C to +125 °C (I grade) |
| Package | 20-WFQFN / 18-lead QFN with Exposed Pad (LGA-style UD package) | 20-lead (18-pin) QFN with exposed pad, 4 mm x 3 mm |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 1 | [DATA_NEEDED: MSL level] |
| RoHS Status | Compliant (Pb-free) | Compliant |
| Output Polarity | Positive | — |
| Minimum Top Switch On-Time | — | 30 ns |
| Light-Load Operation | — | Forced continuous mode (LT8640-1) |
| SYNC/MODE Pin Functions | — | Burst Mode, spread spectrum, external SYNC, forced CCM |
| Lead-Free / PBF | — | Yes (PBF suffix) |