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MB39C502 - High Efficiency Step Down DC/DC Controller Datasheet

Datasheet Summary

Description

MB39C502 is a single output step down DC/DC controller using external FETs.

It achieves the high efficiency with “Enhanced Low Power Mode (LPM) Operation” in light load.

Features

  • High Efficiency with Enhanced LPM Operation.
  • Automatic Transition for PFM/PWM.
  • Enhanced LPM Operation Transferred by SLP_N Assertion.
  • Over Current Alerting.
  • Reference Voltage Accuracy: ±1%.
  • Output Voltage Range : 0.7V to 2.0V (MB39C502) : 2.4V to 3.5V (MB39C503) : fixed 5V (MB39C504).
  • VIN Input Voltage Range : 4.0V to 25V (MB39C502/C503) : 5.4V.

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Datasheet Details

Part number MB39C502
Manufacturer Cypress
File Size 974.06 KB
Description High Efficiency Step Down DC/DC Controller Datasheet
Datasheet download datasheet MB39C502 Datasheet
Additional preview pages of the MB39C502 datasheet.

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Full PDF Text Transcription

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MB39C502/503/504 High Efficiency Step Down DC/DC Controller Datasheet Description MB39C502 is a single output step down DC/DC controller using external FETs. It achieves the high efficiency with “Enhanced Low Power Mode (LPM) Operation” in light load. In Enhanced LPM, this controller operates that the quiescent current is reduced only 30μA and the switching frequency is fallen by extending on time. These operations enable to improve the efficiency in light load. Internal compensation circuit with current mode architecture and internal boost switch allow reducing the BOM parts and the component area.
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