Typical operating characteristics (continued) – Rainbow Electronics MAX783 User Manual
Page 6
MAX783
Triple-Output Power-Supply Controller
for Notebook Computers
6
_______________________________________________________________________________________
I
LOAD
= 2A
+5V LINE-TRANSIENT RESPONSE, FALLING
V
IN
, 16V TO 10V
2V/div
+5V OUTPUT
50mV/div
20
µ
s/div
V
IN
= 15V
+5V LOAD-TRANSIENT RESPONSE
+5V OUTPUT
50mV/div
3A
0A
LOAD CURRENT
200
µ
s/div
I
LOAD
= 2A
+5V LINE-TRANSIENT RESPONSE, RISING
V
IN
, 10V TO 16V
2V/div
+5V OUTPUT
50mV/div
20
µ
s/div
____________________________Typical Operating Characteristics (continued)
(Circuit of Figure 1, Transpower TTI5902 transformer, T
A
= +25°C, unless otherwise noted.)
30
10
100
OUTPUT NOISE SPECTRUM
FREQUENCY (kHz)
OUTPUT VOLTAGE NOISE (dBmV
RMS
)
-30
-10
10
-20
0
20
1
V
IN
= 10V
V
OUT
= 5V
I
OUT
= 50mA
30
100k
1M
OUTPUT NOISE SPECTRUM
-50
FREQUENCY (Hz)
OUTPUT VOLTAGE NOISE (dBmV
RMS
)
-30
-10
10
-60
-40
-20
0
20
10k
V
IN
= 8V TO 12V
(PLOTS SUPERIMPOSED)
V
OUT
= 5V
I
OUT
= 1A