LT3680's 4.6A internal switch can deliver up to 3.5A of continuous output current to voltages as low as 0.79V. Switching frequency is user programmable from 250kHz to 2.4MHz, enabling the designer to optimise efficiency while avoiding critical noise-sensitive frequency bands. Its 3mm x 3mm DFN-10 package and high switching frequency keep external inductors and capacitors small.
LT3680 utilises a high-efficiency 4.6A, 95mOhm switch, with the necessary boost diode, oscillator, control and logic circuitry integrated into a single chip. Low ripple Burst Mode operation maintains high efficiency at low output currents while keeping output ripple below 15mVPK-PK. The device's current mode topology enables fast transient response and excellent loop stability, the company said.
Pricing for LT3680EDD and LT3680EMSE starts at $4.15 and $4.25 each, respectively, for 1,000-piece quantities, and LT3680IDD and LT3680IMSE are priced at $4.98 and $5.10 each, respectively, in 1,000-piece quantities.
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