LTC3603
2.5A, 15V Monolithic
Synchronous Step-Down
Regulator
Description Features n n n n n n n n n n n Wide Input Voltage Range: 4.5V to 15V
2.5A Output Current
Low RDS(ON) Internal Switches: 45mΩ and 85mΩ
Programmable Frequency: 300kHz to 3MHz
Low Quiescent Current: 75µA
0.6V ±1% Reference Allows Precise,
Low Output Voltage
99% Maximum Duty Cycle
Adjustable Burst Mode® Clamp
Synchronizable to External Clock
Power Good Output Voltage Monitor
Overtemperature Protection
Overvoltage Protection
Available in 16-Lead Thermally Enhanced eMSOP
and 4mm × 4mm QFN Packages Applications Point-of-Load Supplies Portable Instruments
n Communications Infrastructure The LTC®3603 is a high efficiency, monolithic synchronous
step-down DC/DC converter utilizing a constant-frequency,
current mode architecture. It operates from an input voltage
range of 4.5V to 15V and provides an adjustable regulated …