W83310DG Nuvoton Technology Corporation of America, W83310DG Datasheet

Page 1

Winbond Bus Termination Regulator W83310DS/DG ...

Page 2

... N.A. Typo corrected. 0.60 N.A. Electrical characteristics update. 0.61 N.A. Electrical characteristics update. 0.70 N.A. Package dimension outline and Thermal data. 0.71 N.A. Thermal data update. 0.8 N.A. Add Pb-free part W83310DG. 0.9 N.A. Add DDR II support spec Main Contents ...

Page 3

General Description The W83310DS/ linear regulator provides a power achieves continuous 2.0Amp bi-directional sinking and driving capability for a high speed bus terminator application. The chip simply implements a stable power supply which tracks half of input ...

Page 4

Pin Configuration and Description - W83310DS/ GND V REF1 V OUT SYMBOL V IN GND V REF1 V OUT BOOT_SEL V CNTL ENABLE V REF2 All Trademark and Brand name belong to their respective owners ...

Page 5

Application Circuit - W83310DS/DG for DDR SDRAM Application 2.5VREF VRAM 1000u DDRVTT W83310DS/DG for Intel® Springdale GMCH_VTT Application 2.5VREF R1 R VCC2 1000u GMCHVTT ...

Page 6

Dual Layout of W83310DS/DG and W83310S-R2 for DDR V 2.5VREF R1 10K R2 10K 6. Internal Block Diagram ENABLE V REF2 Control Logic V REF1 BOOT_SEL GND All Trademark and Brand name belong to their respective owners. VRAM U1 ...

Page 7

Electrical Characteristics AC CHARACTERISTICS ° ° ° ° Cout=1000uF +70 A Parameter Output Offset Voltage Load Regulation Input Voltage Range Operating Current of VCNTL Short Current Limit Note: Load regulation is tested by using ...

Page 8

Typical Operating Waveform Load regulation with test condition - V pulse driving current. Load regulation with test condition - V pulse sinking current. All Trademark and Brand name belong to their respective owners. =3.3V; V =2.5V; V OUT CTRL ...

Page 9

Load regulation with test condition - V pulse driving current. Load regulation with test condition - V pulse sinking current. All Trademark and Brand name belong to their respective owners. =3.3V; V =2.5V; V OUT CTRL IN =3.3V; V =2.5V; ...

Page 10

Load regulation with test condition - V pulse driving current. Load regulation with test condition - V pulse sinking current. All Trademark and Brand name belong to their respective owners. W83310DS/DG =3.3V; V =2.5V; V OUT CTRL IN =3.3V; V ...

Page 11

Short Current Limit - V = 3.3V CTRL - V = 3.6V CTRL All Trademark and Brand name belong to their respective owners. W83310DS/DG Publication Release Date: 2005/May 9 PRELIMINARY Revision 0.9 ...

Page 12

Package Dimension 8L Power SOP 150mil All Trademark and Brand name belong to their respective owners. Publication Release Date: 2005/May Revision 0.90 10 W83310DS PRELIMINARY ...

Page 13

Thermal Performance Package Power (W) PSOP-8 3.05 An area of 190mil*150mil on the top layer is use as a thermal pad for W83310DS and this is con- nected to the bottom layer by vias. The o out 39 C ...

Page 14

Headquarters No. 4, Creation Rd. III Science-Based Industrial Park Hsinchu, Taiwan TEL: 886-35-770066 FAX: 886-35-789467 www: http://www.winbond.com.tw/ Taipei Office 9F, No. 480, Rueiguang Road, Neihu District, Taipei, 114, Taiwan TEL: 886-2-81777168 FAX: 886-2-87153579 Please note that all data and specifications ...