Datasheet Summary
LTC7812 Low IQ, 38V Synchronous
Boost+Buck Controller
Features n Synchronous Boost and Buck Controllers n When Cascaded, Allows VIN Above, Below or Equal to Regulated VOUT n Output Remains in Regulation Through Input Dips
(e.g., Cold Crank) Down to 2.5V n Wide Bias Input Voltage Range: 4.5V to 38V n Low Input and Output Ripple n Low EMI n Fast Output Transient Response n High Light Load Efficiency n Low Operating IQ: 33µA (Both Channels On) n Low Operating IQ: 28µA (Buck Channel On) n RSENSE or Lossless DCR Current Sensing n Buck Output Voltage Range: 0.8V ≤ VOUT ≤ 24V n Boost Output Voltage Up to 60V n Phase-Lockable Frequency (75kHz to 850kHz) n Small 32-Pin 5mm × 5mm QFN...