Diodes AP3502F Manuel d'utilisateur télécharger pdf (Page 7)

Data Sheet

340kHz, 2A Synchronous DC-DC Buck Converter AP3502F

Oct. 2012 Rev. 1. 3 BCD Semiconductor Manufacturing Limited

Typical Performance Characteristics (Continued)

=25ºC, V

=12V, V

OUT

=3.3V, unless otherwise noted.

Figure 8. High-side Switch On-resistance Figure 9. Low-side Switch On-resistance

vs. Case Temperature vs. Case Temperature

Figure 10. Output Ripple (I

OUT

=2A) Figure 11. Load Transient (I

OUT

=1A to 2A)

-60 -40 -20 0 20 40 60 80 100 120 140

100

120

140

160

180

200

High-side Switch On-resistance (mΩ)

Case Temperature (

-60 -40 -20 0 20 40 60 80 100 120 140

100

120

140

160

Low-side Switch On-resistance (mΩ)

Case Temperature (

IN_AC

200mV/div

OUT_AC

20mV/div

1A/div

10V/div

Time 2μs/div

OUT_AC

100mV/div

OUT

1A/div

Time 200μs/div

1 2 3 4 5 6 7 8 9 10 11

Electrical Characteristics 5
=25ºC, V 6

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