PM6641 STMicroelectronics, PM6641 Datasheet - Page 43

• 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
Table 13.
Note:
Qty
1
4
5
1
1
1
3
2
1
4
1
1
1
8
1
2
1
1
C25, C26, C27,
R13, R17, R18,
R19, R20, R21,
C19, C20, C21
Component
C2, C3, C4,
C6, C7, C9,
C10, C15
C22, C24
R22, R23
L1, L3
C12
C11
C16
C18
C23
C28
R11
R12
R32
C1
R1
U1
L2
BOM suggested components for DDR2 and chipset power supply
This applicative solution has been tested and the PM6641EVAL demonstration board is now
available for demonstration.
Please refer also to PM6641 demonstration kit document for test and measurement results.
Ceramic, 6.3 V, X5R, 10%
Ceramic, 10 V, X5R, 10%
Ceramic, 10 V, X5R, 10%
Ceramic, 16 V, X7R, 10%
Ceramic, 25 V, X7R, 10%
Ceramic, 50 V, C0G, 5%
Ceramic, 50 V, C0G, 5%
Ceramic, 50 V, C0G, 5%
Ceramic, 4 V, X5R, 20%
Chip resistor, 0.1 W, 1%
Chip resistor, 0.1 W, 1%
Chip resistor, 0.1 W, 1%
Chip resistor, 0.1 W, 1%
Chip resistor, 0.1 W, 1%
SMT 11 Arms, 9.5 mΩ
SMT 9 Arms, 10.5 mΩ
IC VR - 48 PIN
Description
Doc ID 13510 Rev 3
VFQFPN 7x7
SMD 0603
SMD 0805
SMD 1206
SMD 1206
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 0603
SMD 2827
SMD 2827
Package
GRM21BR61A106KE19
GRM31CR60J226KE19
GRM188R71E333KA01
AMK316BJ107ML
744312100 /LF
744312150 /LF
Part number
PM6641
Application examples
Taiyo Yuden
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Standard
Murata
Murata
Murata
Würth
Würth
MFR
ST
PM6641
100 kΩ
100 µF
100 nF
330 pF
470 pF
100 pF
47 kΩ
68 kΩ
Value
10 µF
22 µF
33 nF
22 nF
1.0 µ
1.5 µ
1 µF
3R3
0 Ω
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