STEVAL-ISA051V1 STMicroelectronics, STEVAL-ISA051V1 Datasheet - Page 14

• 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

Typical operating characteristics
5
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Figure 3.
Figure 5.
Figure 7.
500
500
450
450
400
400
350
350
300
300
250
250
200
200
150
150
1.8000
1.8000
1.7990
1.7990
1.7980
1.7980
1.7970
1.7970
1.7960
1.7960
1.7950
1.7950
1.7940
1.7940
100
100
90
90
80
80
70
70
60
60
50
50
40
40
30
30
20
20
10
10
0.0
0.0
0
0
0.001
0.001
0.0
0.0
5.0
5.0
Typical operating characteristics
Efficiency vs
load - 1.5 V and 1.8 V, V
Switching frequency vs
input voltage, 1.8 V
VDDQ line regulation, 1.8 V, 7 A
5.0
5.0
0.01
0.01
10.0
10.0
10.0
10.0
Output current (A)
Output current (A)
Input voltage (V)
Input voltage (V)
Input voltage (V)
Input voltage (V)
Forced PWM
Forced PWM
No-Audible P-S
No-Audible P-S
Pulse-Skip
Pulse-Skip
15.0
15.0
0.1
0.1
15.0
15.0
20.0
20.0
20.0
20.0
DDR2 - Forced PWM
DDR2 - Forced PWM
DDR2 - No-Audible P-S
DDR2 - No-Audible P-S
DDR2 - Pulse-Skip
DDR2 - Pulse-Skip
DDR3 - Forced PWM
DDR3 - Forced PWM
DDR3 - No-Audible P-S
DDR3 - No-Audible P-S
DDR3 - Pulse-Skip
DDR3 - Pulse-Skip
IN
1
1
= 12 V
25.0
25.0
25.0
25.0
Doc ID 14432 Rev 4
30.0
30.0
10
10
30.0
30.0
Figure 4.
Figure 6.
Figure 8.
500
500
450
450
400
400
350
350
300
300
250
250
200
200
150
150
1.4980
1.4980
1.4975
1.4975
1.4970
1.4970
1.4965
1.4965
1.4960
1.4960
1.4955
1.4955
1.4950
1.4950
1.4945
1.4945
1.4940
1.4940
500
500
450
450
400
400
350
350
300
300
250
250
200
200
150
150
100
100
0.0
0.0
50
50
0
0
0.001
0.001
0.0
0.0
5.0
5.0
Switching frequency vs
load - 1.8 V, V
Switching frequency vs
input voltage, 1.5 V
VDDQ line regulation, 1.5 V, 7 A
5.0
5.0
0.01
0.01
10.0
10.0
Forced PWM
Forced PWM
No-Audible P-S
No-Audible P-S
Pulse-Skip
Pulse-Skip
10.0
10.0
Output current (A)
Output current (A)
Input voltage (V)
Input voltage (V)
p
p
Input voltage (V)
Input voltage (V)
Forced PWM
Forced PWM
No-Audible P-S
No-Audible P-S
Pulse-Skip
Pulse-Skip
15.0
15.0
15.0
15.0
IN
0.1
0.1
g
g
= 12 V
20.0
20.0
20.0
20.0
1
1
25.0
25.0
25.0
25.0
PM6670S
30.0
30.0
10
10
30.0
30.0