APW7074 Ver la hoja de datos (PDF) - Anpec Electronics

Número de pieza

componentes Descripción

Fabricante

APW7074

Synchronous Buck PWM Controller

Anpec Electronics 

APW7074

Typical Characteristics

Over Current Protection

CH1

Vcc=12V, Vin=12V,Vo=1.5V, L=1uH

Rocset=1KΩ , Rds(on)=8mΩ

CH2

CH3

CH4

CH1: SS (5V/div)

CH2: IL (10A/div)

CH3: Vo (1V/div)

CH4:Ug (20V/div)

Time: 10ms/div

Short Test

CH1

Vcc=12V, Vin=12V

Vo=1.5V, L=1uH

CH2

CH3

CH4

CH1: SS (5V/div)

CH2: IL (10A/div)

CH3: Vo (1V/div)

CH4:Ug (20V/div)

Time: 10ms/div

Switching Frequency vs. Junction Temperature

310

305

300

295

290

285

280

275

-40 -20 0 20 40 60 80 100 120

Junction Temperature (°C)

Reference Voltage vs. Junction Temperature

0.804

0.802

0.8

0.798

0.796

0.794

0.792

-40 -20 0 20 40 60 80 100 120

Junction Temperature (°C)

Copyright © ANPEC Electronics Corp.

9

Rev. A.2 - Feb., 2006

www.anpec.com.tw

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