LTC3615IFE#PBF

LTC3615 is dual 3A synchronous stepdown regulator using a current mode, constant-frequency architecture. The DC supply current is only 130µA (burst mode operation at no-load) while maintaining the output voltages, dropping to zero current in shutdown. 100% duty cycle capability provides low dropout operation, which extends operating time in battery-operated systems. The operating frequency is externally programmable up to 4MHz, allowing the use of small surface mount inductors. 0°, 90°, or 180° of phase shift between the two channels can be selected to minimize input current ripple and output voltage ripple in a dual 3A or single 6A output configuration. The internal synchronous switches increase efficiency and eliminate the need for external catch diodes, saving external components and board space. Application includes point-of-load supplies, distributed power supplies, portable computer systems, DDR memory termination and handheld devices.