STEVAL-ISA050V1 STMicroelectronics, STEVAL-ISA050V1 Datasheet - Page 15

• Manufacturer Part Number: STEVAL-ISA050V1
• Description: KIT EVAL PM6641 CHIPSET/DDR2/3
• Manufacturer: STMicroelectronics
• Type: DC/DC Switching Converters, Regulators & Controllersr

Specifications of STEVAL-ISA050V1

• Main Purpose: Special Purpose DC/DC, DDR Memory Supply
• Outputs And Type: 4, Non-Isolated
• Power - Output: 14.7W
• Voltage - Output: 1.05V, 1.5V, 1.8V, 0.9V
• Current - Output: 4A, 2.8A, 2.5A, 2A
• Voltage - Input: 2.7 ~ 5.5V
• Regulator Topology: Buck
• Frequency - Switching: 750kHz
• Board Type: Fully Populated
• Utilized Ic / Part: PM6641
• Input Voltage: 2.7 V to 5.5 V
• Product: Power Management Modules
• Silicon Manufacturer: ST Micro
• Silicon Core Number: PM6641
• Kit Application Type: Power Management - Voltage Regulator
• Application Sub Type: Monolithic Voltage Regulator
• Kit Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: PM6641
• Other names: 497-8425

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