MIC2169 Micrel MIC2169 500kHz PWM Synchronous Buck Control IC General Description The MIC2169 is a high-efficiency, simple to use 500kHz PWM synchronous buck control IC housed in a small MSOP-10 package.
The MIC2169 allows compact DC/DC solutions with a minimal external component count and cost.
The MIC2169 operates using a 3V to 14.
5V input, without the need for any additional bias voltage.
The output voltage can be precisely regulated down to 0.
8V.
The adaptive all N-Channel MOSFET drive scheme allows efficiencies, over 95%, across a wide load range.
The MIC2169 senses current across the high-side N-Channel MOSFET, eliminating the need for an expensive and lossy current-sense resistor.
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