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