Diodes AP1510 Manual do Utilizador descarregar pdf (Página 5)

AP1510

PWM CONTROL 3A STEP-DOWN CONVERTER

AP1510 Rev. 7 5 of 9 JULY 2009

DS31018 www.diodes.com © Diodes Incorporated

Typical Performance Characteristics

AP1510 Vin vs. Frequency

(Vout=3.3V; Iout=0.2A)

300

305

310

315

320

325

330

335

340

345

350

0 5 10 15 20 25

Vi n (V)

Fosc (kHz)

AP1510 Vin vs. FB

(Vout=3.3V; Iout=0.2A)

0.74

0.75

0.76

0.77

0.78

0.79

0.80

0.81

0.82

0.83

0.84

0 5 10 15 20 25

Vin (V)

FB (V)

AP1510 Line Regulation

(Vout=3.3V; Iout=0.2A)

3.10

3.15

3.20

3.25

3.30

3.35

3.40

0 5 10 15 20 25

Vin(V)

Vout(V)

5.00

5.01

5.02

5.03

5.04

5.05

5.06

5.07

5.08

5.09

5.10

0.01.02.03.04.0

Iout (A)

Vout (A

)

AP1510 Load Regulation

(Vin=12V)

AP1510 Efficiency

0

10

20

30

40

50

60

70

80

90

100

0.0 1.0 2.0 3.0

Iout (A)

Efficiency (%)

Vout:5.0V

Vout:3.3V

1 2 3 4 5 6 7 8 9

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