LT8645SEV#PBF vs LT8645SEV-2 Comparison
Detailed side-by-side comparison of LT8645SEV#PBF by Analog Devices and LT8645SEV-2 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
LT8645SEV#PBF - 65V 8A Silent Switcher Buck Regulator | Analog Devices
LT8645SEV#PBF ✓ Active
Specification Comparison
| Parameter | LT8645SEV#PBF | LT8645SEV-2 |
|---|---|---|
| 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) | $5.18 | $6.20 |
| Topology | Synchronous Buck (Step-Down) | Synchronous Step-Down (Buck) |
| Input Voltage Range | 3.4 V to 65 V | 3.4 V to 65 V |
| Output Voltage Range | 0.97 V to 25 V (adjustable) | 0.97 V to VIN (adjustable) |
| Maximum Output Current | 8 A | 8 A continuous |
| Number of Outputs | 1 | — |
| Switching Frequency Range | 200 kHz to 2.2 MHz | — |
| Architecture | Silent Switcher 2nd generation | Silent Switcher (2nd generation) |
| Internal Switches | Yes (top + bottom N-channel MOSFETs) | Integrated high-side + low-side MOSFETs |
| Quiescent Current | Ultra-low (see datasheet for Iq) | 2.5 µA (no-load, output regulated) |
| Efficiency | > 95% peak | — |
| Operating Temperature Range | -40 C to +125 C (automotive grade) | -40°C to +125°C |
| Package | 32-pin LQFN EP (5 mm x 6 mm) | 32-TFQFN Exposed Pad (LQFN-32, 5x6 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 1 | [DATA_NEEDED: MSL level] |
| RoHS Status | Compliant (#PBF suffix) | Compliant (per #PBF suffix) |
| Switching Frequency | — | Programmable ~200 kHz to 2.2 MHz |
| Minimum On-Time | — | Approx. 30 ns |
| Peak Efficiency | — | >92% (typ. at 12V→5V) |
| Internal Bypass Capacitors | — | Yes (EMI reduction) |
| PGOOD / SYNC | — | Power-good flag and synchronization input |