Datasheet Linear Technology LTC3124HFE#PBF — 数据表

LTC3124
15V, 5A 2-Phase Synchronous
Step-Up DC/DC Converter with
Output Disconnect
FEATURES DESCRIPTION VIN Range: 1.8V to 5.5V, 500mV After Start-Up
n Adjustable Output Voltage: 2.5V to 15V
n 1.5A Output Current for V = 5V and V
IN
OUT = 12V
n Dual-Phase Control Reduces Output Voltage Ripple
n Output Disconnects from Input When Shut Dow Synchronous Rectification: Up to 95% Efficiency
n Inrush Current Limit
n Up to 3MHz Programmable Switching Frequency
Synchronizable to External Clock
n Selectable Burst ModeВ® Operation: 25ВµA I
Q
n Output Overvoltage Protectio Internal Soft-Start
n 6.2V, Referenced to VOUT
VIN < 2.8V, VOUT > 5V
l –5.0
3.9
60 l 1.6 FB = 1.6V, VC = 1.15V
FB = 800mV, VC = 1.15V 0.01 …