RT9644 RICHTEK [Richtek Technology Corporation], RT9644 Datasheet - Page 10

• Manufacturer Part Number: RT9644
• Description: ACPI Regulator/Controller for Dual Channel DDR Memory Systems
• Manufacturer: RICHTEK [Richtek Technology Corporation]

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10
RT9644/A
DDR_VTT UV Level
V
V
Thermal Shutdown Limit
Note 1. Stresses listed as the above "Absolute Maximum Ratings" may cause permanent damage to the device. These are for
Note 2. Devices are ESD sensitive. Handling precaution is highly recommended.
Note 3. The device is not guaranteed to function outside its operating conditions.
Note 4.
GMCH
TT_GMCH/CPU
stress ratings. Functional operation of the device at these or any other conditions beyond those indicated in the
operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended
periods may remain possibility to affect device reliability.
JEDEC 51-3 thermal measurement standard.
UV Level
JA
is measured in the natural convection at T
Parameter
UV Level
V
V
V
TSD
TT
FB4
FB2
Symbol
/V
/V
/V
VREF_IN
REF
REF
Preliminary
S0
S0
S0
By Design
A
= 25 C on a low effective thermal conductivity test board of
Test Condition
Min
--
--
--
--
DS9644/A-01 August 2007
Typ
140
85
75
75
Max
--
--
--
--
Units
°C
%
%
%