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Description:High Efficiency Step-Down Switching Regulator Controllers
Manufacturer:Analog Devices
Datasheet:PDF (195K).
Click here to download *)

The ADP1147 is part of a family of High Efficiency Step-Down Switching Regulators. These regulators offer superior load and line transient response, a user defined current limit and an automatic power savings mode. The automatic power savings mode is used to maintain efficiency at lower output currents. The ADP1147 incorporates a constant off-time, current mode switching architecture to drive an external P-channel MOSFET at frequencies up to 250 kHz. Constant off-time switching generates a constant ripple current in the external inductor. This results in a wider input voltage operating range of 3.5 V* to 16 V, and a less complex circuit design.

Click here to download ADP1147AR-33 Datasheet
Click here to download ADP1147AR-33 Datasheet
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