Conceptual uP1561 Synchronous Buck Controller with 3A VTT LDO for Memory Power Solution General Description Features The uP1561 is a high performance synchronous buck controller with 3A source/sink VTT LDO for memory systems power.
It also provides the buffered low noise reference.
The uP1561 has wide operation ranging from 3.
0V to 26V for input power and 0.
75V~3.
0V for memory output voltage.
The synchronous buck of the uP1561 adopts constanton-time PWM scheme that features easy-to-use, low external component count, fast transient response and quasi- constant frequency operation over the operation range or in current mode to support ceramic output capacitors.
The 3A source/sink VTT LDO ...

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