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FAN1655MX Datasheet

  • FAN1655MX

  • 3A DDR Bus Termination Regulator

  • 9頁(yè)

  • FAIRCHILD

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FAN1655
3A DDR Bus Termination Regulator
Features
Sinks and sources 2.1A continuous, 3A peak
0 to +125擄C operating temperature range
5mA Buffered VREFOUT = VDDQ/2
Load regulation: VTT = VREFOUT 鹵 40mV
On-chip thermal limiting
Low Cost SO-14, Power-Enhanced eTSSOP or
8-pin 5x6mm MLP packages
鈥?Low-Current Shutdown Mode
鈥?Output Short Circuit Protection
鈥?/div>
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Description
The FAN1655 is a low-cost bi-directional LDO speci鏗乧ally
designed for terminating DDR memory bus. It can both sink
and source up to 2.1A continuous, 3A peak, providing
enough current for most DDR applications. Load regulation
meets the JEDEC spec, VTT = VREFOUT 鹵 40mV.
The FAN1655 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 FAN1655
into a low power mode.
The FAN1655 regulator is available in a power-enhanced
eTSSOP鈩?16, standard SOIC-14, and an 8-Lead MLP
package.
Applications
鈥?DDR Terminator VTT supply
Block Diagram
VDDQ
200k
-
VREFOUT
VREFIN
+
VTTFORCE
+
VTTFORCE
-
200k
VTTSENSE
FAN1655
VSSQ
VSS
VSS
VSS
VDD
VDD
VDD
SHDN
REV. 1.1.4 3/24/04

FAN1655MX 產(chǎn)品屬性

  • 2,500

  • 集成電路 (IC)

  • PMIC - 穩(wěn)壓器 - 專用型

  • -

  • 控制器,DDR

  • 2.3 V ~ 3.6 V

  • 1

  • 1.1 V ~ 1.8 V

  • 0°C ~ 125°C

  • 表面貼裝

  • 14-SOIC(0.154",3.90mm 寬)

  • 14-SOIC

  • 管件

FAN1655MX相關(guān)型號(hào)PDF文件下載

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