APW7108 Ver la hoja de datos (PDF) - Anpec Electronics

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APW7108

Dual Mobile-Friendly PWM Controller

Anpec Electronics 

APW7108

Operating Waveforms (Cont.)

Input Step-Up Transient at PWM Mode

IOUT1 = 5A

1

2

3

CH1: VIN (10V/div)

CH2: VOUT1 (AC, 100mV/div)

CH3: VOUT2 (AC, 100mV/div)

Time: 20µs/div

Input Step-Down Transient at PWM Mode

IOUT1 = 5A

1

2

3

CH1: VIN (10V/div)

CH2: VOUT1 (AC, 100mV/div)

CH3: VOUT2 (AC, 100mV/div)

Time: 20µs/div

Mode Transient of PFM to PWM

IOUT1 = 0.1A to 5A

1

2

3

4

CH1: VOUT1 (AC, 100mV/div)

CH2: VPHASE1 (20V/div)

CH3: IL1 (5A/div)

CH4: VOUT2 (AC, 100mV/div)

Time: 10µs/div

Mode Transient of PWM to PFM

IOUT1 = 5A to 0.1A

1

2

3

4

CH1: VOUT1 (AC, 100mV/div)

CH2: VPHASE1 (20V/div)

CH3: IL1 (5A/div)

CH4: VOUT2 (AC, 100mV/div)

Time: 10µs/div

Copyright © ANPEC Electronics Corp.

9

Rev. A.4 - Jan., 2009

www.anpec.com.tw

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