Datasheet Analog Devices LTC3622IDE#PBF — 数据表

LTC3622/
LTC3622-2/LTC3622-23/5
17V, Dual 1A
Synchronous Step-Down Regulator
with Ultralow Quiescent Current
DESCRIPTION FEATURES Dual Step-Down Outputs: 1A Per Channel
nn Wide V Range: 2.7V to 17V
IN
nn Wide V
OUT Range: 0.6V to VIN
nn Up to 95% Efficiency
nn No-Load I = 5µA with Both Channels Enabled;
Q
IQ < 4µA with Only One Channel Enabled
nn High Efficiency, Low Dropout Operation
(100% Duty Cycle)
nn Constant Frequency (1MHz/2.25MHz) with External
Frequency Synchronization
nn ±1% Output Voltage Accuracy
nn Current Mode Operation for Excellent Line and Load
Transient Response
nn Phase Shift Programmable with External Clock
nn Selectable Current Limit …

LTC3622/
LTC3622-2/LTC3622-23/5
17V, Dual 1A
Synchronous Step-Down Regulator
with Ultralow Quiescent Current
DESCRIPTION FEATURES Dual Step-Down Outputs: 1A Per Channel
nn Wide V Range: 2.7V to 17V
IN
nn Wide V
OUT Range: 0.6V to VIN
nn Up to 95% Efficiency
nn No-Load I = 5ВµA with Both Channels Enabled;
Q
IQ < 4ВµA with Only One Channel Enabled
nn High Efficiency, Low Dropout Operation
(100% Duty Cycle)
nn Constant Frequency (1MHz/2.25MHz) with External
Frequency Synchronization
nn В±1% Output Voltage Accuracy
nn Current Mode Operation for Excellent Line and Load
Transient Response
nn Phase Shift Programmable with External Clock
nn Selectable Current Limit …