APW7143 Ver la hoja de datos (PDF) - Anpec Electronics
Número de pieza
componentes Descripción
Fabricante
APW7143 Datasheet PDF : 19 Pages
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APW7143
Operating Waveforms (Cont.)
(Refer
to
the
application
circuit
1
in
the
section
“Typical
Application
Circuits”,
V =12V,
IN
V =3.3V,
OUT
L1=4.7µH
)
Enable
IOUT=3A
VEN
1
VOUT
2
IL1
3
CH1 : VEN , 5V/div
CH2 : VOUT , 2V/div
CH3 : IL1 , 2A/div
Time : 1ms/div
Shutdown
IOUT=3A
VEN
1
VOUT
2
IL1
3
CH1 : VEN , 5V/div
CH2 : VOUT , 2V/div
CH3 : IL1, 2A/div
Time : 100µs/div
Over Current
IOUT =3~7A
VLx
1
VOUT
2
IL1
3
CH1 : VLX , 10V/div
CH2 : VOUT , 2V/div
CH3 : IL1 , 5A/div
Time : 20µs/div
Short Circuit
VOUT is shorted to ground by a short wire
VLX
1
VOUT
2
IL1
3
CH1 : VLX , 5V/div
CH2 : VOUT , 200mV/div
CH3 : IL1 , 5A/div
Time : 5ms/div
Copyright © ANPEC Electronics Corp.
7
Rev. A.1 - Apr., 2008
www.anpec.com.tw
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