LT8640EUDC#TRPBF vs LT8606EDC#TRPBF Comparison

Detailed side-by-side comparison of LT8640EUDC#TRPBF by Analog Devices and LT8606EDC#TRPBF 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
LT8640EUDC#TRPBF LT8640EUDC#TRPBF - 42V 5A Sync Buck Silent Switcher | ADI

LT8640EUDC#TRPBF - 42V 5A Sync Buck Silent Switcher | ADI

LT8640EUDC#TRPBF ✓ Active
Analog Devices
LT8606EDC#TRPBF LT8606EDC#TRPBF - 42V 350mA Sync Buck Regulator | Analog Devices

LT8606EDC#TRPBF - 42V 350mA Sync Buck Regulator | Analog Devices

LT8606EDC#TRPBF ✓ Active

Specification Comparison

Parameter LT8640EUDC#TRPBF LT8606EDC#TRPBF
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 $2.52
Topology Synchronous Buck (Step-Down) Synchronous Step-Down (Buck)
Input Voltage Range 3.4 V to 42 V 3.0 V to 42 V
Output Voltage Range 0.97 V to 41.58 V (adjustable) 1.8 V to VIN (adjustable, lower voltages possible per datasheet)
Maximum Output Current 5 A 350 mA continuous
Number of Outputs 1 —
Switching Frequency Up to 3 MHz (programmable) 200 kHz to 2 MHz (2 MHz default, RT pin adjustable on MSOP variant)
Quiescent Current 2.5 µA (output in regulation, Burst Mode) —
Minimum Switch On-Time 30 ns (top switch) —
Architecture Silent Switcher (low EMI) —
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) —
Package 20-WFQFN / 18-lead QFN with Exposed Pad (LGA-style UD package) 8-pin 2 mm x 2 mm DFN with Exposed Pad (DDC)
Mounting Type Surface Mount —
MSL Level 1 —
RoHS Status Compliant (Pb-free) —
Output Polarity Positive —
Quiescent Current (non-switching) — 1.7 µA typical
Efficiency — >90% at moderate loads
Light-Load Mode — Low ripple Burst Mode
Operating Temperature Range — -40 °C to +125 °C (junction)
Switch Type — Internal high-side and low-side MOSFETs (synchronous)
Operating Frequency Mode — Burst Mode (DFN); selectable Burst/SYNC/SS on MSOP variants
Maximum Junction Temperature — +125 °C
Storage Temperature Range — -65 °C to +150 °C
Moisture Sensitivity Level (MSL) — 1 (per JEDEC J-STD-020)
Lead Finish — Au (Gold) per Analog Devices package
RoHS / REACH — RoHS compliant (per DigiKey listing)

Datasheets & Resources

Browse All Products Create BOM Request Quote