LT8645SEV#PBF vs LT8645SJV-2#PBF Comparison
Detailed side-by-side comparison of LT8645SEV#PBF by Analog Devices and LT8645SJV-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
LT8645SEV#PBF - 65V 8A Silent Switcher Buck Regulator | Analog Devices
LT8645SEV#PBF ✓ ActiveAnalog Devices
LT8645SJV-2#PBF - 65V 8A Silent Switcher Buck Regulator | ADI
LT8645SJV-2#PBF ✓ ActiveSpecification Comparison
| Parameter | LT8645SEV#PBF | LT8645SJV-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) | $5.18 | $6.60 |
| Topology | Synchronous Buck (Step-Down) | Synchronous Buck (Step-Down) |
| 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 65 V (adjustable) |
| Maximum Output Current | 8 A | 8 A |
| Number of Outputs | 1 | — |
| Switching Frequency Range | 200 kHz to 2.2 MHz | — |
| Architecture | Silent Switcher 2nd generation | Silent Switcher 2 (EMI-optimized) |
| Internal Switches | Yes (top + bottom N-channel MOSFETs) | — |
| Quiescent Current | Ultra-low (see datasheet for Iq) | — |
| Efficiency | > 95% peak | Up to ~95% (load and VIN/VOUT dependent) |
| Operating Temperature Range | -40 C to +125 C (automotive grade) | -40C to +125C (JV suffix indicates industrial-temp qualified) |
| Package | 32-pin LQFN EP (5 mm x 6 mm) | 32-LQFN exposed pad (6 mm x 4 mm TFQFN) |
| Mounting Type | Surface Mount | Surface Mount |
| MSL Level | 1 | [DATA_NEEDED: MSL rating] |
| RoHS Status | Compliant (#PBF suffix) | — |
| Quiescent Current (Burst Mode) | — | 2.5 uA typical |
| Switching Frequency | — | [DATA_NEEDED: switching frequency range] |
| Minimum Switch-On Time | — | [DATA_NEEDED: minimum on-time] |
| RoHS / WEEE | — | Compliant (PBF suffix) |
| Output Channels | — | 1 |
| Enable / Power Good | — | Yes (RT/PG pin functions as PG or sync) |
| Internal Bypass Capacitors | — | No (the -2 variant places INTVCC and BST caps externally) |