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RT9259 Fiches technique (PDF) - Richtek Technology Corporation

RT9259 Datasheet PDF - Richtek Technology Corporation
No de pièce RT9259
Télécharger  RT9259 Télécharger

Taille du fichier   303.83 Kbytes
Page   15 Pages
Fabricant  RICHTEK [Richtek Technology Corporation]
Site Internet  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation
Description 12V Synchronous Buck PWM DC-DC and Linear Power Controller

RT9259 Datasheet (PDF)

Go To PDF Page Télécharger Fiches technique
RT9259 Datasheet PDF - Richtek Technology Corporation

No de pièce RT9259
Télécharger  RT9259 Click to download

Taille du fichier   303.83 Kbytes
Page   15 Pages
Fabricant  RICHTEK [Richtek Technology Corporation]
Site Internet  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation
Description 12V Synchronous Buck PWM DC-DC and Linear Power Controller

RT9259 Fiches technique (HTML) - Richtek Technology Corporation

Back Button RT9259 Datasheet HTML 1Page - Richtek Technology Corporation RT9259 Datasheet HTML 2Page - Richtek Technology Corporation RT9259 Datasheet HTML 3Page - Richtek Technology Corporation RT9259 Datasheet HTML 4Page - Richtek Technology Corporation RT9259 Datasheet HTML 5Page - Richtek Technology Corporation RT9259 Datasheet HTML 6Page - Richtek Technology Corporation RT9259 Datasheet HTML 7Page - Richtek Technology Corporation RT9259 Datasheet HTML 8Page - Richtek Technology Corporation RT9259 Datasheet HTML 9Page - Richtek Technology Corporation RT9259 Datasheet HTML 10Page - Richtek Technology Corporation Next Button 

RT9259 Détails du produit

General Description

The RT9259 is a dual-channel DC/DC controller specifically designed to deliver high quality power where 12V power source is available. This part consists of a synchronous buck controller and an LDO controller. The synchronous buck controller integrates MOSFET drivers that support 12V+12V bootstrapped voltage for high efficiency power conversion. The bootstrap diode is built-in to simplify the circuit design and minimize external part count. The LDO controller drives an external N-MOSFET for lower power requirement.



Features

Single 12V Bias Supply

Support Dual Channel Power Conversion

  One Synchronous Rectified Buck PWM Controller

  One Linear Controller

Both Controllers Drive Low Cost N-MOSFETs

Adjustable Frequency from 150kHz to 1MHz and Free-Run Frequency at 230kHz

Small External Component Count

Output Voltage Regulation

  PWM Controller : ±1% Accuracy

  LDO Controller : ±2% Accuracy

Two Internal VREFPower Support Lower to 0.8V

Adjustable External Compensation

Linear Controller Drives N-MOSFET Pass Transistor

Fully-Adjustable Outputs

Under Voltage Protection for Both Outputs

Over Current Fault Monitor on MOSFET; No Current Sense Resistor is Required.

RoHS Compliant and 100% Lead (Pb)-Free



Applications

Graphic Card GPU, Memory Core Power

Graphic Card Interface Power

Motherboard, Desktop and Servers Chipset and Memory  Core Power

IA Equipments

Telecomm Equipments

High Power DC-DC Regulators




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