PWM Controllers
  • SC508A
    • EcoSpeed® DC-DC Buck Controller with Integrated LDO
  • SC508
    • EcoSpeed® DC-DC Buck Controller with Integrated LDO
  • SC493
    • EcoSpeed® Step-down Controller with I2C Interface
  • SC419
    • Single Phase DC-DC Converter with Integrated Boost Diode
  • SC418
    • EcoSpeed® DC-DC Buck Controller with Programmable LDO
  • SC4911
    • Bias/Primary Side PWM Controller with Ultra-Low Start-up Current
  • SC4910B
    • High-Performance Secondary Side Controller with Synchronous Rectifier
  • SC4910A
    • High-Performance Secondary Side Controller with Synchronous Rectifier
Semtech SC2434

Semtech SC2434

TriPhase Current Mode Controller with Power Good

The SC2434, a tri-phase, current mode controller is designed to work with Semtech smart synchronous drivers, such as the SC1205, SC1206, and SC1207 to provide the DC/DC converter solution for the most demanding Microprocessor applications.

Features


  • 12V input
  • Input sensing current mode control
  • Selectable 2 or 3 phase operation
  • Precision, pulse by pulse phase current matching
  • Active drooping allows for best transient response
  • Programmable internal oscillator to 1.5 MHz
  • Programmable DAC step size/offset allows compliance with VRM9.0 and VRM9.2
  • VID 11111 Inhibit (No CPU)
  • Externally programmable soft-start
  • 0% minimum duty cycle improves transient response
  • Cycle by cycle current limiting plus hiccup
  • Power good signal

Applications


  • Intel Pentium-4 microprocessors
  • High-performance desktop systems

Packaging

TSSOP-20

Order Codes

  • SC1205ECSTR: Package Minimum Tape & Reel Only
  • SC2434HTSTR: Package Minimum Tape & Reel Only
  • SC2434SWTR: Package Minimum Tape & Reel Only
  • SC2434TSTR: Package Minimum Tape & Reel Only