IR3621

Vcc, VCL Supply Voltage .......................................... -0.5V To 16V
VcH1 and VcH2 Supply Voltage ............................... -0.5V To 25V
PGOOD.................................................................... -0.5V To 16V
Storage Temperature Range ................................-55 To 150
Junction Temperature Range ............................... -40 To 150
ESD Classification ....................................... JEDEC, JESD22-A114
Caution: Stresses above those listed in "Absolute Maximum Rating" may cause permanent damage to the device. These are stress ratings only and function of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to "Absolute Maximum Rating" conditions for extended periods may affect device reliability

The IR3621 IC combines a dual synchronous buck controller and drivers, providing a cost-effective, high performance and flexible solution. The IR3621 operates in 2-Phase mode to produce either 2-independent output voltages or current share single output for high current application. The 180^.out-of-phase operation allows the reduction of input and output capacitance.

Other key features of the IR3621 include two independently programmable soft-start functions to allow system level sequencing of output voltages in various configurations. The pre-bias protection of the IR3621 feature prevents the discharge of the output voltage and possible damage to the load during start-up when a preexisting voltage is present at the output. Programmable switching frequency up to 500KHz per phase allows flexibility to tune the operation of the IC to meet system level requirements,and synchronization allows the simplification of system level filter design. Protection features such as selectable hiccup or latched current limit, and under voltage lock-out are provided to give required system level security
in the event of a fault condition.