LT8645SIV#PBF vs LT8645SEV-2 Comparison

Detailed side-by-side comparison of LT8645SIV#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
LT8645SIV#PBF LT8645SIV#PBF - 65V 8A Silent Switcher 2 Buck | Analog Devices

LT8645SIV#PBF - 65V 8A Silent Switcher 2 Buck | Analog Devices

LT8645SIV#PBF ✓ Active
Analog Devices
LT8645SEV-2 LT8645SEV-2 - 65V, 8A Synchronous Silent Switcher Buck | ADI

LT8645SEV-2 - 65V, 8A Synchronous Silent Switcher Buck | ADI

LT8645SEV-2 ✓ Active

Specification Comparison

Parameter LT8645SIV#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) $0.00 $6.20
Regulator Topology Synchronous step-down buck regulator —
Input Voltage Range 3.4V to 65V 3.4 V to 65 V
Maximum Output Current 8A 8 A continuous
Minimum Adjustable Output Voltage 0.97V —
Output Configuration Single positive adjustable output —
Switching Frequency 1.95MHz Programmable ~200 kHz to 2.2 MHz
Architecture Second-generation Silent Switcher 2 Silent Switcher (2nd generation)
Integrated Bypass Capability Yes, integrated bypass capacitor —
Package 32-lead TQFN exposed pad 32-TFQFN Exposed Pad (LQFN-32, 5x6 mm)
Package Footprint 6mm x 4mm QFN-class footprint —
Mounting Type Surface mount Surface Mount
Operating Temperature Range -40C to +125C -40°C to +125°C
RoHS Compliance Compliant for PBF-terminated versions —
WEEE Compliance Compliant for PBF-terminated versions —
Automotive Controlled Manufacturing Available in #W-suffix versions —
Switching Node SW —
Topside Marking [DATA_NEEDED: package top marking] —
Tolerances [DATA_NEEDED: output-voltage and current tolerances] —
Topology — Synchronous Step-Down (Buck)
Output Voltage Range — 0.97 V to VIN (adjustable)
Quiescent Current — 2.5 µA (no-load, output regulated)
Minimum On-Time — Approx. 30 ns
Peak Efficiency — >92% (typ. at 12V→5V)
Internal Switches — Integrated high-side + low-side MOSFETs
Internal Bypass Capacitors — Yes (EMI reduction)
PGOOD / SYNC — Power-good flag and synchronization input
MSL Level — [DATA_NEEDED: MSL level]
RoHS Status — Compliant (per #PBF suffix)

Datasheets & Resources

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