Product Summary

The LTM4616EV is a complete dual 2-phase 8A per channel switch mode DC/DC power regulator system in a 15mm × 15mm surface mount LGA package. Included in the package are the switching controller, power FETs, inductor and all support components. Operating from an input voltage range of 2.7V to 5.5V, the LTM4616EV supports two outputs within a voltage range of 0.6V to 5V, each set by a single external resistor. This high effi ciency design delivers up to 8A continuous current (10A peak) for each output. Only bulk input and output capacitors are needed, depending on ripple requirement. The part can also be confi gured for a 2-phase single output at up to 16A. The low profi le package (2.82mm) enables utilization of unused space on the back side of PC boards for high density point-of-load regulation. Applications include Telecom, Networking and Industrial Equipment, Storage and ATCA, PCI Express Cards and Battery Operated Equipment.

Parametrics

LTM4616EV absolute maximum ratings: (1)VIN1, SVIN1, VIN2, SVIN2: –0.3V to 6V; (2)CLKOUT1, CLKOUT2: –0.3V to 2V; (3)VOUT1, VOUT2, SW1, SW2:–0.3V to VIN; (4)Internal Operating Temperature Range: –40℃ to 125℃; (5)Junction Temperature: 125℃; (6)Storage Temperature Range:–55℃ to 125℃.

Features

LTM4616EV features: (1)Complete Dual DC/DC Regulator System; (2)Input Voltage Range: 2.7V to 5.5V; (3)Dual 8A Outputs, or Single 16A Output with a 0.6V to 5V Range; (4)Output Voltage Tracking and Margining; (5)±1.75% Total DC Output Error (–40℃ to 125℃); (6)Current Mode Control/Fast Transient Response; (7)Power-Good Tracking and Margining; (8)Overcurrent/Thermal Shutdown Protection; (9)Onboard Frequency Synchronization; (10)Spread Spectrum Frequency Modulation; (11)Multiphase Operation.

Diagrams

LTM4616EV TYPICAL APPLICATION

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