Datasheet Analog Devices LT8390AIUFD#PBF — Ficha de datos

LT8390A
60V 2MHz Synchronous
4-Switch Buck-Boost Controller
with Spread Spectrum
FEATURES DESCRIPTION 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 V Range: 4V to 60V
IN
nn ±1.5% Output Voltage Accuracy: 1V ≤ V
OUT ≤ 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 V
OUT Disconnected from VIN During Shutdown
nn Available in 28-Lead TSSOP with Exposed Pad and
28-Lead QFN (4mm × 5mm) 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 …