Datasheet Analog Devices LTC7804IMSE#PBF — Ficha de datos

LTC7804
Low IQ Synchronous
Boost Controller
FEATURES DESCRIPTION Synchronous Operation for Highest Efficiency and
Reduced Heat Dissipatio Wide V Range: 4.5V to 40V and Operates Down to
IN
1V After Start-Up
n Output Voltage Up to 40V
n Low Operating I : 14μA
Q
n Spread Spectrum Operatio Pass-Thru/100% Duty Cycle Capability for
Synchronous MOSFET
n R
SENSE or Inductor DCR Current Sensing
n Programmable Fixed Frequency (100kHz to 3MHz)
n Phase-Lockable Frequency (100kHz to 3MHz)
n Selectable Continuous, Pulse-Skipping, or Low
Ripple Burst Mode® Operation at Light Loads
n Low Shutdown I : 1.2μA
Q
n Thermally Enhanced 16-Pin 3mm × 3mm QFN and
MSOP Packages The LTC®7804 is a high performance synchronous boost
DC/DC switching regulator controller that drives an all …