Datasheet Texas Instruments LM34922MY/NOPB — 数据表

LM34922
www.ti.com SNVS813A – JUNE 2012 – REVISED MARCH 2013 LM34922 28V, 2A Constant On-Time Switching Regulator with Adjustable Current Limit
Check for Samples: LM34922 FEATURES 1 2 Input Operating Voltage Range: 6V to 28V
Absolute Maximum Input Rating: 30V
Integrated 2A N-Channel Buck Switch
Adjustable Current Limit Allows for Smaller
Inductor
Adjustable Output Voltage from 2.51V
Minimum Ripple Voltage at VOUT
Power Good Output
Switching Frequency Adjustable to 1MHz
COT Topology Features:
– Switching Frequency Remains Nearly
Constant with Load Current and Input
Voltage Variations
– Ultra-Fast Transient Response
– No Loop Compensation Required
– Stable Operation with Ceramic Output
Capacitors
– Allows for Smaller Output Capacitor and
Current Sense Resistor
Adjustable Soft-Start Timing Thermal Shutdown
Precision 2% Feedback Reference DESCRIPTION …