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參數(shù)資料
| 型號： | SC2596 |
| 廠商： | Semtech Corporation |
| 英文描述： | Low Voltage Integrated DDR Termination Regulator |
| 中文描述： | 低電壓集成DDR終端穩(wěn)壓器 |
| 文件頁數(shù)： | 8/13頁 |
| 文件大?。?/td> | 300K |
| 代理商： | SC2596 |
8
2007 Semtech Corp.
www.semtech.com
SC2596
PRELIMINARY
POWER MANAGEMENT
Block Diagram
+
-
Error Amp.
AVCC
GND
UVLO +
Thermal
Shutdown
VDDQ
Vsense
VTT
Anti-
Shoot-
thru
+
Driver
Circuit
PVCC
EN
VREF
+
-
Vref Buffer
Description
SC2596 is a low-voltage, low-dropout DDR termination
regulator with separate power supply to support both
DDR1 and DDR2 applications. AVCC and PVCC can be
tied together for DDR1 and can also be separated for
DDR2.
SC2596 regulates VTT to the voltage of VREF. VTT will
sink or source upto 2.5A. Internal shoot-through protec-
tion ensure both top and bottom MOSFET will not con-
duct while maintaining fast source-to-sink load transient.
Thermal shut-down and internal current limit protect
SC2596 from shorted load or over-heated
VREF BUFF
VREF is derived from VDDQ with an accurate divide by
op-amps(VREF Buffer). It is capable to sink and source
30uA. It is used as the reference voltage to the Error
amp. A 100nF or higher capacitor is recommended for
VREF pin to ground; To enhance the noise immunity from
board, an additional pull-down resistor (1M
)
is
recomanded as well from VREF pin to ground.
ERROR AMP
Low input offset op-amp for the main linear regulator. It
controls the VTT output voltage and which side of the
MOSFET to turn on (or turn off) to achieve zero shoot
through current.
ANTI-Shoot Thought Driver
Buffer stage takes the error voltage to control MOSFET.
Internal current limit is incorporated to protect from
shorted load.
THERMAL SHUTDOWN & UVLO
The Thermal shutdown block prevent the junction tem-
perature exceed 165
o
C. UVLO circuit to ensure proper
power is available for correct operation of the IC.
相關PDF資料 |
PDF描述 |
|---|---|
| SC2596EVB | Low Voltage Integrated DDR Termination Regulator |
| SC2596SETRT | Low Voltage Integrated DDR Termination Regulator |
| SC2602L | Synchronous Voltage Mode Controller for Distributed Power Supply |
| SC2602LEVB | Synchronous Voltage Mode Controller for Distributed Power Supply |
| SC2602LSTRT | Synchronous Voltage Mode Controller for Distributed Power Supply |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SC2596_09 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Low Voltage Integrated DDR Termination Regulator |
| SC2596EVB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Low Voltage Integrated DDR Termination Regulator |
| SC2596SETRT | 功能描述:IC INTEGRTD DDR TERM REG 8-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 標準包裝:2,000 系列:- 應用:控制器，DSP 輸入電壓:4.5 V ~ 25 V 輸出數(shù):2 輸出電壓:最低可調(diào)至 1.2V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:30-TFSOP（0.173"，4.40mm 寬） 供應商設備封裝:30-TSSOP 包裝:帶卷 (TR) |
| SC2596STRT | 功能描述:IC INTEGRTD DDRII TERM REG 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 專用型 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,000 系列:- 應用:電源，ICERA E400，E450 輸入電壓:4.1 V ~ 5.5 V 輸出數(shù):10 輸出電壓:可編程 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:42-WFBGA，WLCSP 供應商設備封裝:42-WLP 包裝:帶卷 (TR) |
| SC25A | 制造商:GXELECTRONICS 制造商全稱:Gaomi Xinghe Electronics Co., Ltd. 功能描述:High current capability |
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