STEVAL-ISA051V1 STMicroelectronics, STEVAL-ISA051V1 Datasheet - Page 15

• Manufacturer Part Number: STEVAL-ISA051V1
• Description: BOARD EVAL PM6670S DDR2/3
• Manufacturer: STMicroelectronics
• Type: DC/DC Switching Converters, Regulators & Controllersr

Specifications of STEVAL-ISA051V1

• Design Resources: STEVAL-ISA051V1 Gerber Files STEVAL-ISA051V1 Schematic STEVAL-ISA051V1 Bill of Material
• Main Purpose: Special Purpose DC/DC, DDR Memory Supply
• Outputs And Type: 4, Non-Isolated
• Voltage - Output: 1.5V, 1.8V
• Voltage - Input: 4.5 ~ 28V
• Regulator Topology: Buck
• Board Type: Fully Populated
• Utilized Ic / Part: PM6670
• Input Voltage: 4.5 V to 28 V
• Output Voltage: 1.8 V, 1.5 V
• Product: Power Management Modules
• Silicon Manufacturer: ST Micro
• Silicon Core Number: PM6670S
• Kit Application Type: Power Management
• Application Sub Type: DDR2/3 Memory Power Supply Controller
• Kit Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Power - Output: -
• Frequency - Switching: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: PM6670S
• Other names: 497-8411

PM6670S
Figure 9.
Figure 11. VTT load regulation, 0.9 V,
Figure 13. VTTREF load regulation, 0.9 V,
0.940
0.930
0.920
0.910
0.900
0.890
0.880
1.860
1.860
1.850
1.850
1.840
1.840
1.830
1.830
1.820
1.820
1.810
1.810
1.800
1.800
-2.5
0.001
0.001
VDDQ load regulation, 1.8 V,
V
LDOIN = 1.8 V
VSNS = 1.8 V
IN
-1.5
= 12 V
0.01
0.01
Output current (A)
Output current (A)
Output current (A)
-0.5
0.1
0.1
0.5
Forced PWM
Forced PWM
No-Audible P-S
No-Audible P-S
Pulse-Skip
Pulse-Skip
1
1
1.5
Doc ID 14432 Rev 4
10
10
2.5
Figure 10. VDDQ load regulation, 1.5 V,
Figure 12. VTT load regulation, 0.75 V,
Figure 14. No-audible pulse-skip waveforms
0.790
0.780
0.770
0.760
0.750
0.740
0.730
1.530
1.530
1.520
1.520
1.510
1.510
1.500
1.500
1.490
1.490
1.480
1.480
1.470
1.470
0.001
0.001
-2.5
V
LDOIN = 1.5 V
IN
-1.5
Typical operating characteristics
= 12 V
0.01
0.01
Output current (A)
Output current (A)
Output current (A)
-0.5
0.1
0.1
0.5
Forced PWM
Forced PWM
No-Audible P-S
No-Audible P-S
Pulse-Skip
Pulse-Skip
1
1
1.5
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10
10
2.5