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PM6670 Fiches technique(PDF) 13 Page - STMicroelectronics

No de pièce PM6670
Description  Complete DDR2/3 memory power supply controller
PDF  53 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM6670 Fiches technique(HTML) 13 Page - STMicroelectronics

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PM6670
Typical operating characteristics
13/53
5
Typical operating characteristics
Figure 3.
Efficiency vs
load - 1.5V and 1.8V, VIN =12V
Figure 4.
Switching frequency vs
load - 1.8V, VIN = 12V
Figure 5.
Switching frequency vs
input voltage, 1.8V
Figure 6.
Switching frequency vs
input voltage, 1.5V
Figure 7.
VDDQ line regulation, 1.8V, 7A
Figure 8.
VDDQ line regulation, 1.8V, 7A
0
10
20
30
40
50
60
70
80
90
100
0.001
0.01
0.1
1
10
Output current (A)
DDR2 - Forced PWM
DDR2 - No-Audible P-S
DDR2 - Pulse-Skip
DDR3 - Forced PWM
DDR3 - No-Audible P-S
DDR3 - Pulse-Skip
0
10
20
30
40
50
60
70
80
90
100
0.001
0.01
0.1
1
10
Output current (A)
DDR2 - Forced PWM
DDR2 - No-Audible P-S
DDR2 - Pulse-Skip
DDR3 - Forced PWM
DDR3 - No-Audible P-S
DDR3 - Pulse-Skip
0
50
100
150
200
250
300
350
400
450
500
0.001
0.01
0.1
1
10
Output current (A)
Forced PWM
No-Audible P-S
Pulse-Skip
0
50
100
150
200
250
300
350
400
450
500
0.001
0.01
0.1
1
10
Output current (A)
Forced PWM
No-Audible P-S
Pulse-Skip
150
200
250
300
350
400
450
500
0.0
5.0
10.0
15.0
20.0
25.0
30.0
Input voltage (V)
150
200
250
300
350
400
450
500
0.0
5.0
10.0
15.0
20.0
25.0
30.0
Input voltage (V)
pg
150
200
250
300
350
400
450
500
0.0
5.0
10.0
15.0
20.0
25.0
30.0
Input voltage (V)
pg
150
200
250
300
350
400
450
500
0.0
5.0
10.0
15.0
20.0
25.0
30.0
Input voltage (V)
1.7940
1.7950
1.7960
1.7970
1.7980
1.7990
1.8000
0.0
5.0
10.0
15.0
20.0
25.0
30.0
Input voltage (V)
Forced PWM
No-Audible P-S
Pulse-Skip
1.7940
1.7950
1.7960
1.7970
1.7980
1.7990
1.8000
0.0
5.0
10.0
15.0
20.0
25.0
30.0
Input voltage (V)
Forced PWM
No-Audible P-S
Pulse-Skip
1.4940
1.4945
1.4950
1.4955
1.4960
1.4965
1.4970
1.4975
1.4980
0.0
5.0
10.0
15.0
20.0
25.0
30.0
Input voltage (V)
Forced PWM
No-Audible P-S
Pulse-Skip
1.4940
1.4945
1.4950
1.4955
1.4960
1.4965
1.4970
1.4975
1.4980
0.0
5.0
10.0
15.0
20.0
25.0
30.0
Input voltage (V)
Forced PWM
No-Audible P-S
Pulse-Skip



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