Diodes AP3202 Manuel d'utilisateur télécharger pdf (Page 6)

Preliminary Datasheet

380kHz, 2A Asynchronous DC-DC Buck Converter AP3202

Mar. 2011 Rev. 1. 2 BCD Semiconductor Manufacturing Limited

0.00.20.40.60.81.01.21.41.61.82.0

100

Efficiency (%)

Output Current (A)

=5V

=12V

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

125

150

175

200

225

250

275

300

325

350

375

High-side Switch On-resistance (mΩ)

Case Temperature (

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

1.00

1.05

1.10

1.15

1.20

1.25

1.30

Feedback Voltage (V)

Case Temperature (

Typical Performance Characteristics

=25

C, V

=12V, V

OUT

=3.3V, unless otherwise noted.

Figure 4. Efficiency vs. Output Current Figure 5. R

DSONH

vs. Case Temperature

Figure 6. R

DSONL

vs. Case Temperature Figure 7. Feedback Voltage vs. Case Temperature

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

Low-side Switch On-resistance (Ω)

Case Temperature (

1 2 3 4 5 6 7 8 9 10 11

INTERNAL 3
Electrical Characteristics 5
Figure 5. R 6
Quiescent Current (mA) 7
Case Temperature ( 7

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Diodes AP3202 Manuel d'utilisateur Page 6

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