• Two Single-Phase or One Dual-Phase Outputs
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• Dual-Output or Two-Phase Synchronous
Buck Controller
• 180° Out-of-Phase Reduces Input Ripple
• Input Voltage Range: 3 V to 20 V
• Output Voltage Range: 0.6 V to 5.6 V
• Adjustable Frequency: 100 kHz to 1 MHz
• Bidirectional SYNC Pin With 0°/180° or
90°/270°Phase Shift
• Voltage Mode Control With Input Feedforward
• Accurate Current Sharing for Two-Phase Operation
• Individual Power Good Outputs
• Individual Enable and Programmable Soft Start,
With Pre-Bias Start-Up
• ±0.5%, 600-mV Reference
• Output UV/OV Protection and Input
Undervoltage Lockout
• Individual Overcurrent Limit Setting
• Hiccup Overcurrent Protection
• Accurate Inductor DCR or Resistive Current Sensing
• Remote Sense for Two-Phase Applications
• Internal N-Channel FET Drivers
• Integrated Bootstrap Switches
• Available in 5-mm × 5-mm 32-Pin VQFN Package
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