SC2595 Semtech Corporation, SC2595 Datasheet
SC2595
Available stocks
Related parts for SC2595
SC2595 Summary of contents
Page 1
... The SC2595 is an integrated linear DDR termination device, which provides a complete solution for DDR termination designs; while meeting the JEDEC require- ments of SSTL-2 specifications for DDR-SDRAM termi- nation. The SC2595 can source and sink 1.5A current at the output V while maintaining excellent load regulation. TT www.DataSheet4U.com ...
Page 2
... SC2595 PRELIMINARY ° ° ° C ° C ° C ° C ° ...
Page 3
... Ordering Information Par t Number Package SC2595STRT (1)(2) SOIC-8L EDP SC2595EVB Evaluation Board Notes: (1) Only available in tape and reel packaging. A reel contains 2500 devices for SOIC-8L package. (2) Lead free package. Device is fully WEEE and RoHS compliant. 3 SC2595 Temp. Range ( -40 to +105 O C www.semtech.com ...
Page 4
... SC2595 PRELIMINARY ...
Page 5
... This can cause the SDRAM device to latch-up, which may cause permanent DDQ UVLO - OUT + + OUT - 5 pins are tied together to a single supply. DDQ supply pin; then the V supply should DDQ DDQ , PV supplies precedes Driver Circuit SC2595 supply; DDQ SENSE NC www.semtech.com ...
Page 6
... CC CC DDQ nected in a way such that, AV precedes V supply; then V DDQ V . This can cause the SDRAM device to latch- DDQ up, which may cause permanent damage to the SDRAM. SC2595 PRELIMINARY form CC can CC VTT 1.25V Vin Cin1 Cout1 Cin2 68uF ...
Page 7
... Layout guidelines Layout guidelines Layout guidelines Layout guidelines 1)The SC2595 has a power SO-8 package. It can im- prove the thermal impedance ( thermal pad should be added when PCB layout. Some thermal vias are required to connect the thermal pad to the PCB ground layer. This will improve the thermal per- formance ...
Page 8
... Test condition: Avcc=PVcc=VDDQ=2.5V,VTT=1.25V Cout1=220uF, Cout2=10uF, Sink 2A. VDDQ AVcc PVcc VTT VREF 600 550 500 450 400 350 MAX 300 SOURCE 250 CURRENT 200 150 100 50 0 2.5 3.0 3.5 8 SC2595 PRELIMINARY VDDQ AVcc PVcc VTT VREF Figure 4 AVcc VDDQ =2.5V VDDQ =1.8V 4.0 4.5 5.0 5.5 6.0 AVcc(V) Figure 6 www.semtech.com ...
Page 9
... Temperature( ℃ ) Figure 8 VREF_max vs IREF(VDDQ=2.5V) 1.250 1.245 1.240 1.235 1.230 1.225 1.220 1.215 1.210 0 100 200 300 400 500 600 700 800 900 IREF(uA) Figure 10 SC2595 UVLO (Ty pical) -40 ℃ 0 ℃ 25 ℃ 75 ℃ 150 ℃ www.semtech.com ...
Page 10
... POWER MANAGEMENT Typical Characteristics (Cont.) VDDQ=2.5V 6.5 6.0 5.5 5.0 www.DataSheet4U.com 4.5 4.0 3.5 3.0 2.5 2.0 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 AVCC=PVCC(V) Figure 11 AVCC=PVCC=VDDQ=2.5V 140 120 100 0.0 0.5 1.0 DC CURRENT (A) Figure 13 © 2007 Semtech Corp. MAX SOURCE CURRENT SOURCE SINK 1.5 2.0 2.5 10 PRELIMINARY VDDQ=1.8V 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 AVCC=PVCC(V) Figure 12 SC2595 MAX SOURCE CURRENT www.semtech.com ...
Page 11
... DIMENSIONS "E1" AND "D" DO NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. 4. REFERENCE JEDEC STD MS-012, VARIATION BA. SOLDER MASK Semtech Corporation Power Management Products Division 200 Flynn Road, Camarillo, CA 93012 Phone: (805)498-2111 FAX (805)498-3804 11 SC2595 DIMENSIONS INCHES MILLIMETERS MIN NOM MAX MIN NOM MAX .053 - .069 1.35 - 1.75 ...