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PM6670AS 数据表(PDF) 13 Page - STMicroelectronics

部件名 PM6670AS
功能描述  Complete DDR2/3 memory power supplies controller
PDF  54 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

PM6670AS 数据表(HTML) 13 Page - STMicroelectronics

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PM6670AS
Typical operating characteristics
13/54
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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