APW1173 Ver la hoja de datos (PDF) - Anpec Electronics
Número de pieza
componentes Descripción
Fabricante
APW1173 Datasheet PDF : 21 Pages
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APW1173
Typical Operating Characteristics (Cont.)
Switching Frequency
585
565
545
525
505
485
465
445
425
-50 -25 0 25 50 75 100 125
Junction Temperature (oC)
Operating waveforms
1. Power ON (no SS) :
- VIN = 12V,VOUT = 3.3V
- CIN = 22µF, COUT = 220µF, L = 15 µH
2. Power ON (external SS) :
- VIN = 12V,VOUT = 3.3V
- CIN = 22µF, COUT = 220µF, L = 15 µH
IL
IL
V OUT
V IN
VOUT
V IN
Ch1 : VOUT,1V/div
Ch2 : COMP,2V/div
Ch3 : VIN,5V/div
Ch4 : IL,2A/div
Time : 400us/div
COMP
Ch1 : VOUT,1V/div
Ch2 : COMP,2V/div
Ch3 : VIN,5V/div
Ch4 : IL,2A/div
Time : 1ms/div
Copyright © ANPEC Electronics Corp.
10
Rev. A.5 - Aug., 2005
COMP
www.anpec.com.tw
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