Document
LT8390A
60V 2MHz Synchronous 4-Switch Buck-Boost Controller
with Spread Spectrum
FEATURES
DESCRIPTION
nn 4-Switch Single Inductor Architecture Allows VIN Above, Below or Equal to VOUT
nn Up to 95% Efficiency at 2MHz nn Proprietary Peak-Buck Peak-Boost Current Mode nn Wide VIN Range: 4V to 60V nn ±1.5% Output Voltage Accuracy: 1V ≤ VOUT ≤ 60V nn ±3% Input or Output Current Accuracy with Monitor nn Spread Spectrum Frequency Modulation for Low EMI nn High Side PMOS Load Switch Driver nn No Top MOSFET Refresh Noise in Buck or Boost nn Adjustable and Synchronizable: 600kHz to 2MHz nn VOUT Disconnected from VIN During Shutdown nn Available in 28-Lead TSSOP with Exposed Pad and
28-Lead QFN (4mm × 5mm)
APPLICATIONS
nn Automotive, Industrial, Telecom Systems nn High Frequency Battery-Powered System
The LT®8390A is a synchronous 4-switch buck-boost DC/DC controller that regulates output voltage, input or output current from an input voltage above, below, or equal to the output volta.