Datasheet Linear Technology LTC3119MPFE#PBF — 数据表

LTC3119
18V, 5A Synchronous
Buck-Boost DC/DC Converter
Features Description Input Voltage Range: 2.5V to 18V
nn Runs Down to V = 250mV After Start-Up
IN
nn Output Voltage Range: 0.8V to 18V
nn 5A Output Current in Buck Mode, V > 6V
IN
nn 3A Output Current for V = 3.6V, V
IN
OUT = 5V
nn Programmable Switching Frequency: 400kHz to 2MHz
nn Synchronizable with an External Clock Up to 2MHz
nn Accurate Run Comparator Threshold
nn Burst Mode® Operation, No-Load I = 35µA
Q
nn Ultralow Noise Buck-Boost PWM
nn Current Mode Control
nn Maximum Power Point Control
nn Power Good Indicator
nn Internal Soft-Start
nn 28-Lead 4mm × 5mm QFN and TSSOP Packages The LTC®3119 is a high efficiency 18V monolithic buckboost converter that can deliver up to 5A of continuous …