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PM6641 数据表(PDF) 13 Page - STMicroelectronics

部件名 PM6641
功能描述  Monolithic VR for chipset and DDR2/3 supply for ultra-mobile PC (UMPC) applications
PDF  47 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

PM6641 数据表(HTML) 13 Page - STMicroelectronics

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PM6641
Electrical characteristics
13/47
Symbol
Parameter
Test condition
Values
Unit
Min
Typ
Max
IVTT,CL
LDO source current limit
VVTT < 1.10*( VVOUT_1S8 /2)
22.3
3
A
VVTT > 1.10*( VVOUT_1S8 /2)
11.25
1.5
LDO sink current limit
VVTT > 0.90*( VVOUT_1S8 /2)
-3
-2.3
-2
VVTT < 0.90*( VVOUT_1S8 /2)
-1.5
-1.25
-1
VTTREF section – DDR2/3 rails
VVTTREF
VTTREF output voltage
IVTTREF = 0A, VVOUT_1S8 = 1.8 V
0.9
V
VTTREF output voltage
accuracy relative to
VVOUT_1S8/2
-15 mA < IVTTREF < +15 mA,
VVOUT_1S8 = 1.8 V
-2
2
%
IVTTREF
VTTREF short circuit source
current
VVOUT_1S8 =1.8 V, VVTTREF = 0 V
40
mA
VTTREF short circuit sink
current
VVOUT_1S8 =1.8 V, VVTTREF = 1.8 V
-40
Table 6. Electrical characteristics (continued)



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