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Description

The AP2303 is a low dropout linear regulator to generate termination voltage of DDR-SDRAM system. The regulator can source or sink up to 1.75A current continuously. The output voltage is regulated to track tightly with the reference voltage (1/2VDDQ) within ±10mV.

The AP2303 supports soft start-up when used to turn on the VCNTL and VREFEN. It integrates a shutdown circuit that will be triggered once the voltage of VIN, VCNTL or VREFEN falls below a certain value.
 
AP2303 features over temperature protection and current limit protection for both source and sink.
 
AP2303 is available in packages of SOIC-8 and PSOP-8.

Application(s)

  • DDR-II/DDR-III/DDR-IIIL/DDR-IV Memory System
  • Desktop PC, Notebook Mother Board
  • Graphic Card
  • STB, LCD-TV, Web-TV

Feature(s)

  • Support DDR-II (VTT=0.9V), DDR-III (VTT=0.75V), DDR-IIIL (VTT=0.675V), DDR-IV (VTT=0.6V) Application
  • Source and Sink up to 1.75A Current
  • Output Voltage Accuracy Over Full Load: ±2% (Max.)
  • Soft Start-up and Shutdown along with VIN, VCNTL and VREFEN Rising and Shutdown along with VIN, VCNTL and VREFEN Dropping
  • Flexible Output by 2 External Resistors
  • Requires Minimum 10µF Output Ceramic Capacitor for Application
  • Current Limit Protection for Both Source and Sink
  • OTSD Protection
  • Totally Lead-Free & Fully RoHS Compliant
  • Halogen and Antimony Free. “Green” Device

Product Specifications

Product Parameters

Compliance (Only Automotive supports PPAP) Standard
Output options Adjustable
IOUT (A) 1.75
VIN (Max) (V) 6
VIN (Min) (V) 1.2
Vout (min) 0.6
Vout (max) 3.3
Adjustabe VFB (V) VREFIN
Iq (typ) (µA) 1000
Accuracy 25C 1%
VDROPOUT (Max) (V) at Max Current and Max Ouput Voltage 0.52
Operating Temperature (Ambient) -40 to 85
Enable Active H
Channels 1
Output Discharge no
Iq (max)(µA) 1500
VCTL function no

Related Content

Quality Documentation

Technical Documents

Recommended Soldering Techniques

TN1.pdf

RoHS CofC

Orderable Part Number Buy from Distributor / Contact Sales Request Samples
AP2303MPTR-G1

AP2303MPTR-G1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Avnet EU 4000 3/5/2021 Germany Buy Now
Digi-Key Electronics 4065 3/5/2021 Europe, Asia, North America Buy Now
Farnell, An Avnet Company 4000 3/5/2021 England Buy Now
Mouser Electronics Inc. 536 3/5/2021 South America, North America, Asia, Europe, Middle East Buy Now
Future Electronics - Europe 16000 3/4/2021 England Contact Sales
Request Sample
AP2303MTR-G1

AP2303MTR-G1

Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Avnet EU 4000 3/5/2021 Germany Buy Now
Digi-Key Electronics 16083 3/5/2021 Europe, Asia, North America Buy Now
Farnell, An Avnet Company 3995 3/5/2021 England Buy Now
Mouser Electronics Inc. 6319 3/5/2021 South America, North America, Asia, Europe, Middle East Buy Now
Avnet 128000 3/4/2021 United States Buy Now
Request Sample