Datasheet Linear Technology LTC7124IUDD#TRPBF — 数据表

LTC7124
17V, Dual 3.5A Synchronous Step-Down
Regulator with Ultralow Quiescent Current
FEATURES DESCRIPTION Wide VIN Range: 3.1V to 17V
nn Wide V
OUT Range: 0.6V to 99% VIN
nn Dual Step-Down Outputs: 3.5A Per Channel
nn Integrated 80mΩ/40mΩ N-Channel MOSFETs
Provide Up to 95% Efficiency
nn No-Load I < 8μA with Both Channels Enabled;
Q
IQ < 5.5μA with Only One Channel Enabled
nn Programmable Frequency (500kHz to 4MHz) with
±25% Frequency Synchronization Range
nn Configurable for a 2-Phase Single Output at Up to 7A
nn ±1.0% Output Voltage Accuracy
nn Current Mode Operation for Excellent Line and Load
Transient Response
nn Internal or Programmable External Loop Compensation
nn Available in a 3mm × 5mm QFN-24 Package The LTC®7124 is a dual channel, 3.5A per output, high
efficiency monolithic step-down regulator capable of
operating from input supplies up to 17V. The programmable switching frequency ranges from 500kHz to 4MHz
with a ±25% external clock synchronization capability …