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參數資料
| 型號： | FAN1654 |
| 廠商： | Fairchild Semiconductor Corporation |
| 英文描述： | 1.5A LDO, DDR Bus Termination Regulator |
| 中文描述： | 1.5A的LDO穩壓器，支持DDR總線終端穩壓器 |
| 文件頁數： | 1/7頁 |
| 文件大小： | 80K |
| 代理商： | FAN1654 |
www.fairchildsemi.com
REV. 1.0.5 4/17/02
Features
Sinks and sources 1A continuous, 1.5A peak
-40°C to +125°C Operating Range
Load regulation: (VDDQ/2) ± 40mV
5mA VREF buffer tracks VTT
On-chip thermal limiting
Power-enhanced eTSSOP-16 package
Low Current Shutdown Mode
Output Short Circuit Protection
Applications
DDR terminators
Description
The FAN1654 is a low-cost bi-directional LDO specifically
designed for terminating DDR memory bus. It can both sink
and source up to 1A continuous, 1.5A peak, providing
enough current for most DDR applications. Load regulation
meets the JEDEC spec, VTT = (VDDQ/2) ± 40mV.
The FAN1654 includes a buffered reference voltage capable
of supplying up to 5mA current. On-chip thermal limiting
provides protection against a combination of power overload
and ambient temperature that would create an excessive
junction temperature. A shutdown input puts the FAN1654
into a low power mode for laptop computer applications.
The FAN1654 regulator is available in a power-enhanced
eTSSOP-16 package, and the standard SOIC-14
Block Diagram
VSS
VSS
VSS
+
-
VTTSENSE
VTTFORCE
VTTFORCE
+
-
VDD
VDD
VDD
SHDN
VDDQ
200k
200k
FAN1655
VSSQ
VREFIN
VREFOUT
FAN1654
1.5A LDO, DDR Bus Termination Regulator
相關PDF資料 |
PDF描述 |
|---|---|
| FAN1655MTFX | 3A DDR Bus Termination Regulator |
| FAN1655 | 3A DDR Bus Termination Regulator |
| FAN1655M | 3A DDR Bus Termination Regulator |
| FAN1655MPX | 3A DDR Bus Termination Regulator |
| FAN1655MTF | 3A DDR Bus Termination Regulator |
相關代理商/技術參數 |
參數描述 |
|---|---|
| FAN1654M | 功能描述:低壓差穩壓器 - LDO 1.5a LDO DDR Bus Term RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| FAN1654MTF | 功能描述:低壓差穩壓器 - LDO 1.5a LDO DDR Bus Term RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| FAN1654MTFX | 功能描述:低壓差穩壓器 - LDO 1.5a LDO DDR Bus Term RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| FAN1654MX | 功能描述:低壓差穩壓器 - LDO 1.5a LDO DDR Bus Term RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| FAN1655 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:3A DDR Bus Termination Regulator |
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