PM6641 STMicroelectronics, PM6641 Datasheet - Page 15

• Manufacturer Part Number: PM6641
• Description: IC MONO VR DDR2/3 PC VFQFPN-48
• Manufacturer: STMicroelectronics

Specifications of PM6641

• Applications: Converter, DDR2, DDR3
• Voltage - Input: 2.7 ~ 5.5 V
• Number Of Outputs: 3
• Voltage - Output: 0.8 ~ 5.5 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-VFQFN
• Output Voltage: 0.9 V
• Output Current: 3 A
• Input Voltage: 2.7 V to 5.5 V
• Switching Frequency: 1000 KHz
• Operating Temperature Range: - 40 C to + 125 C
• Mounting Style: SMD/SMT
• For Use With: 497-8425 - KIT EVAL PM6641 CHIPSET/DDR2/3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PM6641
Figure 9.
Figure 11. 1V5 output ripple and phase @
Figure 13. SW reg. efficiency @ V
95
95
90
90
85
85
80
80
75
75
70
70
65
65
1,0E-03
1,0E-03
1V8
1V8
1V5
1V5
1V05
1V05
VDDQ output ripple and phase @
AVG current
AVG current
F
1,0E-02
1,0E-02
SW
= 600 kHz
Load Current [A]
Load Current [A]
1,0E-01
1,0E-01
1,0E+00
1,0E+00
IN
= 3.3 V,
Doc ID 13510 Rev 3
1,0E+01
1,0E+01
Figure 10. VTT, VTTREF output ripple @ AVG
Figure 12. 1V05 output ripple and phase @
Figure 14. VDDQ (1.8 V) load regulation
1,808
1,806
1,804
1,802
1,800
1,798
1,796
1,794
1,792
1,790
1,788
0,00
0,50
current
AVG current
1,00
Typical operating characteristics
1,50
Loa d C ur r e nt [ A ]
2,00
2,50
3,00
3,50
4,00
15/47
1V8