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 DataSheet (142.35KB)
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Micrel’s MIC2183 is a high efficiency PWM synchronous buck control IC. With its wide input voltage range of 2.9V to 14V, the MIC2183 can be used to efficiently step voltages down in 1- or 2-cell Li Ion battery powered applications, as well as in fixed 3.3V, 5V, or 12V systems. Efficiencies over 90% .
an oscillator output, FreqOut, which can be used to implement a simple charge pump in low voltage applications. The output of the charge pump can be fed into the gate drive power circuitry via the VINP pin. This feature allows enhanced gate drive, hence higher efficiencies at low input voltages.
MIC2183 also features a 1µA shutdown mode, and a programmable undervoltage lockout, making it well-suited for portable applications.
The MIC2183 is available in 16-pin SOP and QSOP packaging options with a junction temperature range from -40°C to +125°C.
Features
• Input voltage range: 2.9V to 14V
• >.
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