Switching Regulators
  • SC4525D
    • 18V, 3A, 350kHz Step-Down Switching Regulator
  • SC4525C
    • 28V 3A Step-Down Switching Regulator
  • SC4524D
    • 18V 2A Step-Down Switching Regulator
  • SC4524C
    • 28V 2A Step-Down Switching Regulator
  • SC427
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC417
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC410
    • 3A, 24V EcoSpeed® Step-Down Regulator with LDO and Ultrasonic Power Save
  • SC403B
    • 6A EcoSpeed® Integrated FET Regulator with Programmable LDO
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