Trip le -Ou t p u t P o w e r-S u p p ly
Co n t ro lle r fo r No t e b o o k Co m p u t e rs
MAX782
_____________________________Typ ic a l Op e ra t in g Ch a ra c t e ris t ic s (c o n t in u e d )
(Circuit of Figure 1, Transpower transformer type TTI5870, TA = +25°C, unless otherwise noted.)
IDLE-MODE WAVEFORMS
PULSE-WIDTH MODULATION MODE WAVEFORMS
LX VOLTAGE
10V/div
LX VOLTAGE
10V/div
+5V OUTPUT
VOLTAGE
+5V OUTPUT
VOLTAGE
50mV/div
50mV/div
HORIZONTAL = 5µs/div
+5V OUTPUT CURRENT = 42mA
INPUT VOLTAGE = 16V
HORIZONTAL = 500ns/div
+5V OUTPUT CURRENT = 1A
INPUT VOLTAGE = 16V
+5V LOAD-TRANSIENT RESPONSE
+3.3V LOAD-TRANSIENT RESPONSE
3A
3A
LOAD CURRENT
0A
LOAD CURRENT
0A
+5V OUTPUT
50mV/div
+3.3V OUTPUT
50mV/div
HORIZONTAL = 200µs/div
HORIZONTAL = 200µs/div
V
IN
= 15V
V = 15V
IN
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5
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
