Semtech
Skip to Content
Site Navigation
Products
Applications
Design Support
Quality
Company
Common Links
English
Chinese
Japanese
Korean
Investors
Careers
Ordering
Contact Us
Search
Advanced Search
Power Management ICs
Non-Isolated PWM Controllers
Buck Controller
Single Output
Single Output Multiphase (Interleaved)
Dual Output
Triple Output
Multi-Output (Switcher/LDO Combos)
Boost / Buck-Boost (Invert)
Processor Power
DDR
Printable Version
Home
\\
Products
\\
Power Management ICs
\\
Switching Regulators
\\
Switching DC/DC Controllers
\\
Non-Isolated PWM Controllers
\\
SC2677
SC2677: Dual Synchronous Voltage-Mode Controller with Current-Sharing Circuitry
Collapse All
Features
300 kHz to 1 MHz externally-programmable frequency operation
Soft start and enable function
Power-good output provided
Under-voltage short-circuit protection
Phase-shifted switchers minimize ripple
High efficiency operation, >90%
Programmable output(s) as low as 0.5 V
Industrial temperature range
TSSOP-20 package
Bias voltage as low as 4.5 V
Adjustable phase shift between channels
2-phase, current-sharing controller
Flexible, same or separate V
IN
Programmable current sharing
Thermal distribution via multi-phase output
Diagrams
Typical Application Circuit
Click diagram to enlarge
Applications
Graphics cards
Peripheral add-in cards
Dual-phase power supplies
Power supplies requiring two outputs
Packaging
TSSOP-20
Order Codes
SC2677TSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
Datasheets
SC2677 Datasheet
(PDF 167KB, 11/05)