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AP2301

BCD Semiconductor
Part Number AP2301
Manufacturer BCD Semiconductor
Description 1.5A DDR TERMINATION REGULATOR
Published May 3, 2007
Detailed Description Preliminary Datasheet 1.5A DDR TERMINATION REGULATOR General Description The AP2301 linear regulator is designed to meet...
Datasheet PDF File AP2301 PDF File

AP2301
AP2301

Overview
Preliminary Datasheet 1.
5A DDR TERMINATION REGULATOR General Description The AP2301 linear regulator is designed to meet the JEDEC specification SSTL-2 and SSTL-18 for termination of DDR-SDRAM.
The regulator can sink or source up to 1.
5A current continuously, offers enough current for most DDR applications.
Output voltage is designed to track the reference voltage within a 2% tolerance for load regulation while preventing shooting through on the output stage.
On-chip thermal limiting provides protection against a combination of high current and ambient temperature which would create an excessive junction temperature.
The AP2301, used in conjunction with series termination resistors, provides an excellent voltage source for active termination schemes of high speed transmission lines as those seen in high speed memory buses and distributed backplane designs.
The AP2301 is available in SOIC-8 and TO-252-5L packages.
www.
DataSheet4U.
com AP2301 Features · · · · · Support Both DDR I (1.
25VTT) and DDR II (0.
9VTT) Requirements Source and Sink Current up to 1.
5A High Accuracy Output Voltage at Full-load Adjustable VOUT by External Resistors Shutdown for Standby or Suspend Mode Operation with High-impedance Output Applications · · · DDR-SDRAM Termination DDR-II Termination SSTL-2 Termination SOIC-8 TO-252-5L Figure 1.
Package Types of AP2301 Jul.
2006 Rev.
1.
3 1 BCD Semiconductor Manufacturing Limited Preliminary Datasheet 1.
5A DDR TERMINATION REGULATOR Pin Configuration AP2301 M Package (SOIC-8) VIN GND REFEN VOUT D Package (TO-252-5L) 5 4 3 2 1 VOUT REFEN VCNTL (TAB) GND VIN 1 2 3 4 8 7 6 5 VCNTL VCNTL VCNTL VCNTL Figure 2.
Pin Configuration of AP2301 (Top View) Pin Description Pin Number Pin Name SOIC-8 1 2 3 4 5, 6, 7, 8 TO-252-5L 1 2 4 5 3 VIN GND REFEN VOUT VCNTL Power Input Ground Reference Voltage Input and Chip Enable Output Voltage Supply Voltage for Internal Circuit (Internally Connected for SOIC-8), (TAB for TO-252-5L) Function Jul.
2006 Rev.
1.
3...


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