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AN2808 Datasheet(PDF) 37 Page - STMicroelectronics

Part # AN2808
Description  The PM6670S device is a complete
PDF  40 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2808 Datasheet(HTML) 37 Page - STMicroelectronics

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AN2808
PM6670S evaluation tests
37/40
Figure 46.
SW efficiency vs load – VDDQ = 2.5 V, Vin = 12 V
Figure 47.
SW efficiency vs load – VDDQ = 2.5 V, Vin = 5 V
The dynamic behavior of the PM6670S can be seen in the following figures, which show the
VDDQ and VTT load transient response with 5 V input voltage.
0.00E+00
5.00E+04
1.00E+05
1.50E+05
2.00E+05
2.50E+05
3.00E+05
3.50E+05
4.00E+05
4.50E+05
5.00E+05
0.010
0.100
1.000
10.000
Current [A]
Forced PWM
Pulse Skip
NO AUD. PS
AM00668v1
0.00E+00
5.00E+04
1.00E+05
1.50E+05
2.00E+05
2.50E+05
3.00E+05
3.50E+05
4.00E+05
4.50E+05
5.00E+05
0.010
0.100
1.000
10.000
Current [A]
Forced PWM
Pulse Skip
NO AUD. PS
AM00669v1



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