LTM4630A Datasheet | Linear Technology

Dual 18A or Single 36A DC/DC µModule Regulator Features n Dual 18A or Single 36A Output n Input Voltage Range: 4.5V to 15V n Output Voltage Range: 0.6V to 5.3V n ±1.5% Maximum Total DC Output Error Over Line, Load and Temperature n Higher Light Load Efficiency and Wider VOUT Range Than LTM4630 n Differential Remote Sense Amplifier n Current Mode Control/Fast Transient Response n Multiphase Parallel Current Sharing Up to 144A n Internal Temperature Monitor n Pin patible with the LTM4620A (Dual 13A, Single 26A) and LTM4630 (Dual 18A, Single 36A) n Adjustable Switching Frequency or Synchronization n Overcurrent Foldback Protection n Selectable Burst Mode® Operation, Pulse Skipping Mode Operation n Soft-Start/Voltage Tracking n Output Overvoltage Protection n 16mm × 16mm × 4.41mm LGA Package Applications n Tele and Networking Equipment n Storage and ATCA Cards n Industrial Equipment Description The LTM®4630A is a dual 18A or single 36A output switching mode step-down DC/DC µModule® (micromodule) regulator with wider VOUT range and higher efficiency than LTM4630. Included in the package are the switching controllers, power FETs, inductors and all supporting ponents. Operating from an input voltage range of 4.5V to 15V, the LTM4630A supports two outputs each with an output voltage range of 0.6V to 5.3V, each set by a single external resistor. Its high efficiency design delivers up to 18A continuous current for each output. Only a few input and output capacitors are needed. The LTM4630A is pin patible with the LTM4620 and LTM4620A (dual 13A, single 26A) and the LTM4630 (dual 18A, single 36A). The device supports frequency synchronization, multiphase operation, Burst Mode operation and output voltage tracking for supply rail sequencing and has an onboard temperature diode for device temperature monitoring. High switching frequency and a current mode architecture enable a very fast transient response to line and load changes...