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參數(shù)資料
| 型號(hào)： | SC2615MLTR |
| 廠商： | Semtech Corporation |
| 英文描述： | Complete DDR Power Solution |
| 中文描述： | 完整的DDR電源解決方案 |
| 文件頁(yè)數(shù)： | 1/13頁(yè) |
| 文件大?。?/td> | 226K |
| 代理商： | SC2615MLTR |
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POWER MANAGEMENT
Description
1
www.semtech.com
SC2615
Complete DDR Power Solution
Applications
DDR power solution for Intel
R
motherboard
applications
High speed data line termination
Graphic cards
Disk drives
Revision 2, April 2003
Typical Application Circuit
The SC2615 is a fully integrated,
Three in One
, Linear
DDR power solution providing power for the VDDQ and
the VTT rails. The SC2615 completely adheres to the
ACPI sleep state power requirements per Intel
R
motherboard specifications. A linear regulator controller
provides the high current of the VDDQ during S0, via an
external Power MOSFET, while an internal
1.8A (min)
sink/
source regulator supplies the termination voltage.
In addition to these two blocks, an Internal LDO provides
VDDQ power during S3, capable of sourcing
650 mA
.
The SC2615 uses Intel
R
defined Latched BF_CUT signal
which is also used to drive the external Blocking MOSFET.
Additional logic, two UVLOs and three thermal shutdown
circuits assure reliability of this single chip DDR power
solution. A Power Good Output indicates the rails are in
regulation.
A Soft Start/Enable pin assures proper startup and allows
external shutdown control. The MLP package provides
excellent thermal impedance while keeping a small
footprint.
Single chip solution adheres to ACPI sleep state
requirements using BF_CUT
UVLO on 3.3V and 12V
Internal S3 state LDO for VDDQ supplies 650 mA
Dual thermal shutdown
Fast transient response
Internal VTT regulator Sinks and Sources 1.8A
(Min)
Power good output
18 pin MLP package
Features
PWRGD
SC2615
1
8
6
7
4
3
2
5
9
18
17
16
15
14
13
12
11
10
1
FB
VDDQIN
VTT
VDDQSTBY
5VSBY
LGND
VTTSNS
VTT
3.3VCC
SS/EN
NC
12VCC
TG
NC
NC
AGND
BF_CUT
PGOOD
H
BF_CUT
5V
5V STBY
BF_CUT
Cout
Cin
12V
VDDQ
VTT
PWRGD
1uF
0.1uF
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SC2616 | Complete DDR Power Solution |
| SC2616MLTR | Complete DDR Power Solution |
| SC2618 | Miniature PWM Controller for Buck Regulator |
| SC2618SKTRT | Miniature PWM Controller for Buck Regulator |
| SC2620 | Dual 2A, 30V Step-down Regulator with Programmable Frequency up to 1.4MHz |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC2616 | 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:Complete DDR Power Solution |
| SC2616_03 | 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:Complete DDR Power Solution |
| SC2616ML.TR | 制造商:Semtech Corporation 功能描述: |
| SC2616ML.TRT | 制造商:SEMTECH 功能描述:I.C. |
| SC2616MLTR | 制造商:SEMTECH 制造商全稱(chēng):Semtech Corporation 功能描述:Complete DDR Power Solution |
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