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EM5049 Datasheet

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EM5049
2A Sink/Source Bus Termination Regulator
General Description
The EM5049 performs ultra low drop voltage
and fast response linear regulator specifically
designed to provide termination voltage for DDR
memory system. This device works with dual
supplies, a control input for the control circuitry
and a power input for providing current to output
and designed to source/sink up to 2A output
current. Output voltage is regulated to track the 1/2
reference voltage within 15mV variation.
The other features include soft start, current
limit protection, Power-On-Reset function, and
over temperature protection. The EM5049 is
available in DFN3X3 package.
Ordering Information
Part Number
EM5049VT
Package
DFN3X3-10L
Remark
Features
Termination Voltage for DDRII/DDRIII Memory
System
Stable with Output Ceramic Capacitor
Excellent Line Regulation
Excellent Load Regulation
Output Voltage is Adjustable
2A Output Source/Sink Current
Bidirectional Current Limit Protection
Over Temperature Protection
RoHS Compliant and 100% Lead (Pb)-Free
Applications
DDRII/DDRIII Memory Systems
Notebook & Netbook
Graphics Card & MB
Low Voltage Logic Supplies
SMPS Post Regulators
Set Top Boxes , Digital TVS , Printers
Active Termination Buses
Pin Configuration
EN 1
FB 2
VOUT 3
VOUT 4
VOUT 5
GND
DFN3x3-10L
10 CNTL
9 REF
8 VIN
7 VIN
6 VIN
Typical Application Circuit
2013/08/30
A.1
1
Excelliance MOS
Excelliance MOS



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