Datasheet4U Logo Datasheet4U.com

MB39C503 Datasheet High Efficiency Step Down DC/DC Controller Datasheet

Manufacturer: Cypress (now Infineon)

Download the MB39C503 datasheet PDF. This datasheet also includes the MB39C502 variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MB39C502-Cypress.pdf) that lists specifications for multiple related part numbers.

General 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.

Overview

MB39C502/503/504 High Efficiency Step Down DC/DC Controller Datasheet.

Key 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.

More Datasheets from Cypress (now Infineon)

Part Number Description
MB39C502 High Efficiency Step Down DC/DC Controller Datasheet
MB39C504 High Efficiency Step Down DC/DC Controller Datasheet
MB39C014 1 ch DC/DC Converter IC
MB39C022G Buck DC/DC Converter + Low Noise LDO
MB39C022J Buck DC/DC Converter + Low Noise LDO
MB39C022L Buck DC/DC Converter + Low Noise LDO
MB39C022N Buck DC/DC Converter + Low Noise LDO
MB39C031 2ch Buck DC/DC Converter + 1ch LDO
MB39C602 High Power Factor LED Driver IC
MB39C603 Phase Dimmable PSR LED Driver IC