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PM6641TR Datasheet(PDF) 15 Page - STMicroelectronics

Part # PM6641TR
Description  Monolithic VR for chipset and DDR2/3 supply for ultra-mobile PC (UMPC) applications
PDF  47 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM6641TR Datasheet(HTML) 15 Page - STMicroelectronics

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PM6641
Typical operating characteristics
15/47
Figure 9.
VDDQ output ripple and phase @
AVG current
Figure 10. VTT, VTTREF output ripple @ AVG
current
Figure 11. 1V5 output ripple and phase @
AVG current
Figure 12. 1V05 output ripple and phase @
AVG current
Figure 13. SW reg. efficiency @ VIN = 3.3 V,
FSW = 600 kHz
Figure 14. VDDQ (1.8 V) load regulation
65
70
75
80
85
90
95
1,0E-03
1,0E-02
1,0E-01
1,0E+00
1,0E+01
Load Current [A]
1V8
1V5
1V05
65
70
75
80
85
90
95
1,0E-03
1,0E-02
1,0E-01
1,0E+00
1,0E+01
Load Current [A]
1V8
1V5
1V05
1,788
1,790
1,792
1,794
1,796
1,798
1,800
1,802
1,804
1,806
1,808
0,00
0,50
1,00
1,50
2,00
2,50
3,00
3,50
4,00
Loa d C ur r e n t [ A ]
1V8



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