www.DataSheet4U.com
Global Mixed-mode Technology Inc.
G2993
DDR Termination Regulator
Features
Operation Supply Vol...
www.DataSheet4U.com
Global Mixed-mode Technology Inc.
G2993
DDR Termination
Regulator
Features
Operation Supply Voltage: 1.6V to 5.5V Low Supply Current: 280µA @ 2.5V Low Output Offset Source and Sink Current Low External Component Count No Inductor Required No external Resistors Required Thermal Shutdown Protection SOP-8L package
General Description
The G2993 is a linear
regulator designed to meet the JEDEC SSTL-2 and SSTL-3 (Series Stub Termination Logic) specifications for termination of DDR-SDRAM. It contains a high-speed operational amplifier that provides excellent response to the load transients. This device can deliver 1.5A continuous current and transient peaks up to 3A in the application as required for DDR-SDRAM termination. The G2993 can easily provide the accurate VTT voltages without external resistors that PCB areas can be reduced. The quiescent current is as low as 280µA @ 2.5V. So the power consumption can meet the low power consumption applications.
Applications
DDR-SDRAM Termination Voltage DDR-I / DDR-II Termination Voltage SSTL-2 SSTL-3
Ordering Information
ORDER NUMBER
G2993P1X
MARKING
G2993
TEMP. RANGE
-40°C to 85°C
PACKAGE
SOP- 8L
Note: X Specify the packing type U: Tape & Reel T: Tube
Pin Configuration
Typical Application Circuit
G2993
VDDQ AVIN PVIN VTT 1 2 3 4 8 7 6 5 GND GND GND GND 47µF
+
VDDQ=2.5V VDD=2.5V
VDDQ AVIN PVIN GND VTT
+
VTT=1.25V 220µF
SOP-8L
Ver: 1.3 Jan 13, 2004
TEL: 886-3-5788833 http://w...