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MC33998DW Fiches technique (PDF) - Freescale Semiconductor, Inc

MC33998DW Datasheet PDF - Freescale Semiconductor, Inc
No de pièce MC33998DW
Télécharger  MC33998DW Télécharger

Taille du fichier   442.35 Kbytes
Page   20 Pages
Fabricant  FREESCALE [Freescale Semiconductor, Inc]
Site Internet  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc
Description Switching Power Supply with Linear Regulators

MC33998DW Datasheet (PDF)

Go To PDF Page Télécharger Fiches technique
MC33998DW Datasheet PDF - Freescale Semiconductor, Inc

No de pièce MC33998DW
Télécharger  MC33998DW Click to download

Taille du fichier   442.35 Kbytes
Page   20 Pages
Fabricant  FREESCALE [Freescale Semiconductor, Inc]
Site Internet  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc
Description Switching Power Supply with Linear Regulators

MC33998DW Fiches technique (HTML) - Freescale Semiconductor, Inc

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MC33998DW Détails du produit

The 33998 is a medium-power, multi-output power supply integrated circuit that is capable of operating over a wide input voltage range, from 6.0 V up to 26.5 V with 40 V transient capability.

It incorporates a sensorless current mode control step-down switching controller regulating directly to 5.0 V. The 2.6 V linear regulator uses an external pass transistor to reduce the 33998 power dissipation. The 33998 also provides a 2.6 V linear standby regulator and two 5.0 V sensor supply outputs protected by internal low resistance LDMOS transistors.

There are two separate enable pins for the main and sensor supply outputs and standard supervisory functions such as resets with power-up reset delay. The 33998 provides proper power supply sequencing for advanced microprocessor architectures such as the MPC5xx and 683xx microprocessor families.



Features

• Operating Voltage Range 6.0 V up to 26.5 V (40 V transient)

• Step-Down Switching Regulator Output VDDH = 5.0 V @ 1400 mA (total)

• Linear Regulator with External Pass Transistor VDDL = 2.6 V @ 400 mA

• Low-Power Standby Linear Regulator VKAM = 2.6 V @ 10 mA

• Two 5.0 V @ 200 mA (typical) Sensor Supplies VREF Protected

   Against Short-to-Battery and Short-to-Ground with Retry Capability

• Undervoltage Shutdown on the VDDL, VDDH Outputs with Retry Capability

• Reset Signals

• Power-Up Delay

• Enable Pins for Main Supplies (EN) and Sensor Supplies (SNSEN)

• Power Sequencing for Advanced Microprocessor Architectures

• Pb-Free Packaging Designated by Suffix Code EG



 




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À propos de Freescale Semiconductor, Inc


Freescale Semiconductor était une entreprise américaine de semi-conducteurs fondée en 1948.
La société était l'un des principaux fournisseurs de microcontrôleurs, de capteurs et d'autres produits semi-conducteurs pour diverses applications sur les marchés automobiles, industriels et de consommation.
Les produits de Freescale étaient connus pour leurs performances élevées, leur faible consommation d'énergie et leur petit facteur de forme.
La société a été acquise par NXP Semiconductors en 2015, et ses produits et technologies continuent d'être développés et vendus sous la marque NXP.

*Ces informations sont fournies à titre informatif uniquement, nous ne serons pas responsables des pertes ou dommages causés par les informations ci-dessus.




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