G2997, G2997F6U, G29B Selling Leads, Datasheet
MFG:GMT Package Cooled:03+ D/C:MSOP-10
G2997, G2997F6U, G29B Datasheet download
Part Number: G2997
MFG: GMT
Package Cooled: 03+
D/C: MSOP-10
G2997, G2997F6U, G29B
- Table of contents:
Info of G2997
Info of G2997F6U
Info of G29B
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About G2995
PDF/DataSheet Download
Datasheet: G2995
File Size: 279167 KB
Manufacturer: GMT [Global Mixed-mode Technology Inc]
Download : Click here to Download
About G2995
PDF/DataSheet Download
Datasheet: G2995
File Size: 279167 KB
Manufacturer: GMT [Global Mixed-mode Technology Inc]
Download : Click here to Download
About G2995
PDF/DataSheet Download
Datasheet: G2995
File Size: 279167 KB
Manufacturer: GMT [Global Mixed-mode Technology Inc]
Download : Click here to Download
G2997 General Description
The G2997 is a 3A sink/source tracking termination regulator. It is specifically designed for low-cost/ low-external component count systems. The G2997 maintains a high speed operational amplifier that provides fast load transient response and only requires 20F (2x10F) of ceramic output capacitance. The G2997 supports remote sensing functions and all features required to power the DDR I / DDR II VTT bus termination according to the JEDEC specification. In addition, the G2997 includes integrated sleep-state controls placing VTT in High-Z in S3 (suspend to RAM) and soft-off for VTT and VTTREF in S5 (Shutdown). The G2997 is available in the thermally efficient 10pin MSOP and MSOP (Exposed PAD).
G2997 Maximum Ratings
Supply Voltage Range
VIN, VLDOIN, VTTSNS, VDDQSNS, S3, S5..-0.3V to +6V
PGND . . . . . . . . . . . . . . . . . . . . . . . .. . . .-0.3V to 0.3V
Output Voltage Range
VTT, VTTREF . . . . . . . . . . . . . . . . . . . . . . ..-0.3V to 6V
Maximum Junction Temperature,TJ . . . ...... .. ..160
Storage Temperature Range, TSTG. -55 to +160
Reflow Temperature (soldering, 10sec). . . ... . 260
Thermal Resistance Junction to Ambient, (JA)
MSOP-10 . . . . . . . . . . . . . . . . . . . . . . . . . . 120/W
MSOP-10 (FD) . . . . . . .. . . . . . . . . . . . . . . 60/W(3)
Recommend Operating Range (1) (2)
VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.3V to 5.5V
S3, S5 . . . . . . . . . . . . . . . . . . . . . . . . . .-0.1V to 5.5V
VDDQSNS. . . . . . . .. . . . . . . . . . . . . . . . .1.6V to 3.6V
VLDOIN . . . . . . . . . . . . . . . . . . . . . . . . .1.2V to 3.6V
PGND . . . . . . . . . . . . . . . . . . . .. . .. . . ..-0.1V to 0.1V
Operating Ambient Temperature Range
TA . . . . . . . . . . . . . . . . . . . . . . . .. . . .. ..-40 to 85
Note:
(1) All voltage values are with respect to the network ground terminal unless otherwise noted.
(2) VLDOIN, VTTSNS, VDDQSNS, S3, S5 must be lower than VIN on operation.
(3) Please refer to PCB size described in EV2997-10.
G2997 Features
`Support Both DDR I (1.25VTT) and DDR II (0.9 VTT) Requirements
`Input Voltage Range: 3.3V to 5.5V
`VLDOIN Voltage Range: 1.2V to 3.6V
`Requires Only 20F Ceramic Output Capacitance
`Supports High-Z in S3 and Soft-Off in S5
`Integrated Divider Tracks 1/2 VDDQSNS for Both VTT and VTTREF
`Remote Sensing (VTTSNS)
`±20mV Accuracy for VTT and VTTREF
`10mA Buffered Reference (VTTREF)
`Built-In Soft-Start
`Over Current Protection
`Thermal Shutdown Protection
`MSOP-10 and MSOP-10(Exposed Pad) Package
`Input Voltage Range: 3.3V to 5.5V
`VLDOIN Voltage Range: 1.2V to 3.6V
`Requires Only 20F Ceramic Output Capacitance
`Supports High-Z in S3 and Soft-Off in S5
`Integrated Divider Tracks 1/2 VDDQSNS for Both VTT and VTTREF
`Remote Sensing (VTTSNS)
`±20mV Accuracy for VTT and VTTREF
`10mA Buffered Reference (VTTREF)
`Built-In Soft-Start
`Over Current Protection
`Thermal Shutdown Protection
`MSOP-10 and MSOP-10(Exposed Pad) Package
G2997 Typical Application
·DDR I/II Memory Termination
·SSTL−2, SSTL−18
·HSTL Termination
·SSTL−2, SSTL−18
·HSTL Termination
G2997 Connection Diagram
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