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SLUS819B – APRIL 2008 – REVISED SEPTEMBER 2008 DUAL D-CAP™ SYNCHRONOUS STEP-DOWN CONTROLLER FOR NOTEBOOK POWER RAILS FEATURES 1 •23 Fixed-Frequency Emulated On-Time Control; Frequency Selectable from Three Options • D-CAP™ Mode Enables Fast Transient Response Less than 100 ns • Advanced Ramp Compensation Allows Low Output Ripple with Minimal Jitter • Selectable PWM-Only/OOA™/Auto-Skip Modes • Wide Input Voltage Range: 5.
5 V to 28 V • Dual Fixed or Adjustable SMPS: – 0.
7 V to 5.
9 V (Channel1) – 0.
5 V to 2.
5 V (Channel2) • Fixed 3...

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