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MIC26903-ZA Dataheets PDF



Part Number MIC26903-ZA
Manufacturers Micrel Semiconductor
Logo Micrel Semiconductor
Description Synchronous DC-to-DC Buck Regulator
Datasheet MIC26903-ZA DatasheetMIC26903-ZA Datasheet (PDF)

MIC26903-ZA 28V, 9A Hyper Speed Control Synchronous DC-to-DC Buck Regulator SuperSwitcher™ II General Description The Micrel MIC26903-ZA is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control architecture. The MIC26903-ZA operates over an input supply range of 4.5V to 28V and provides a regulated output of up to 9A of output current. The output voltage is adjustable down to 0.6V with a guaranteed accuracy of ±1%, and the device operates at a switching f.

  MIC26903-ZA   MIC26903-ZA


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MIC26903-ZA 28V, 9A Hyper Speed Control Synchronous DC-to-DC Buck Regulator SuperSwitcher™ II General Description The Micrel MIC26903-ZA is a constant-frequency, synchronous buck regulator featuring a unique adaptive on-time control architecture. The MIC26903-ZA operates over an input supply range of 4.5V to 28V and provides a regulated output of up to 9A of output current. The output voltage is adjustable down to 0.6V with a guaranteed accuracy of ±1%, and the device operates at a switching frequency of 600kHz. Micrel’s Hyper Speed Control architecture allows for ultra-fast transient response while reducing the output capacitance and also makes (High VIN)/(Low VOUT) operation possible. This adaptive tON ripple control architecture combines the advantages of fixed-frequency operation and fast transient response in a single device. The MIC26903-ZA offers a full suite of features to ensure protection of the IC during fault conditions. These include undervoltage lockout to ens.


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