Switching Regulators
  • SC195F
  • 3.5MHz, 500mA Synchronous Step Down DC-DC Regulator
  • SC202F
  • 3.5MHz, 500mA Step-down Regulator with Integrated Inductor
  • SC21150
  • Tiny 1.2A Synchronous Buck Regulator
  • SC21152
  • Tiny 1.2A Synchronous Buck Regulator with Power Good
  • SC221
  • 20MHz, 650mA, X-EMI™-Enabled Synchronous Step-Down Regulator
  • SC284AQ
  • Dual Channel 2.5MHz, 1.7A Synchronous Buck Regulator
  • TS13101
  • Galvanic Isolated Latching 60V Power Load Switch
  • TS30011
  • High Efficiency 1A Current-Mode Synchronous Buck DC/DC Converter, 1MHz
Semtech SC2434

Semtech SC2434

TriPhase Current Mode Controller with Power Good

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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
 
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