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PM6670AS Scheda tecnica(PDF) 13 Page - STMicroelectronics

Il numero della parte PM6670AS
Spiegazioni elettronici  Complete DDR2/3 memory power supplies controller
PDF  54 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM6670AS Scheda tecnica(HTML) 13 Page - STMicroelectronics

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PM6670AS
Typical operating characteristics
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5
Typical operating characteristics
Figure 3.
Efficiency vs load - 1.5 V and 1.8 V,
Vin = 12 V
Figure 4.
Switching frequency vs load - 1.8 V,
Vin = 12 V
Figure 5.
Switching frequency vs input
voltage, 1.8 V
Figure 6.
Switching frequency vs input
voltage, 1.5 V
Figure 7.
VDDQ line regulation, 1.8 V, 7 A
Figure 8.
VDDQ line regulation, 1.5 V, 7 A
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 curre nt (A)
Forced PW M
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)
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



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