LT8640EUDC#TRPBF vs LT8645SHV-2#PBF Comparison
Detailed side-by-side comparison of LT8640EUDC#TRPBF by Analog Devices and LT8645SHV-2#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
LT8645SHV-2#PBF - 65V 8A Silent Switcher Buck | Analog Devices
LT8645SHV-2#PBF ✓ ActiveSpecification Comparison
| Parameter | LT8640EUDC#TRPBF | LT8645SHV-2#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) | $5.48 | $8.10 |
| Topology | Synchronous Buck (Step-Down) | Synchronous Step-Down (Buck) |
| Input Voltage Range | 3.4 V to 42 V | 3.4 V to 65 V |
| Output Voltage Range | 0.97 V to 41.58 V (adjustable) | 0.97 V to 65 V (adjustable) |
| Maximum Output Current | 5 A | 8 A |
| Number of Outputs | 1 | 1 |
| Switching Frequency | Up to 3 MHz (programmable) | Up to 2.2 MHz |
| Quiescent Current | 2.5 µA (output in regulation, Burst Mode) | 2.5 µA (Burst Mode) |
| Minimum Switch On-Time | 30 ns (top switch) | — |
| Architecture | Silent Switcher (low EMI) | Silent Switcher 2nd generation |
| 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 +150 °C (HV grade) |
| Package | 20-WFQFN / 18-lead QFN with Exposed Pad (LGA-style UD package) | 32-pin LQFN Exposed Pad |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 1 | — |
| RoHS Status | Compliant (Pb-free) | Compliant |
| Output Polarity | Positive | — |
| Internal Switches | — | Yes (high-side and low-side MOSFETs) |
| Internal Bypass Capacitors | — | Yes (integrated) |
| Lead-Free | — | Yes (#PBF suffix) |