Typical operating characteristics (continued) – Rainbow Electronics MAX8742 User Manual
Page 8
5V LOAD-TRANSIENT RESPONSE
MAX8741/42 toc11
10V
0
5A
0
I
LX5
5A/div
V
LX5
10V/div
5V OUTPUT
5OmV/div
AC-COUPLED
20µs/div
V
IN
= 8V, I
OUT
= 1A TO 5A
3.3V LOAD-TRANSIENT RESPONSE
MAX8741/42 toc12
10V
0
5A
0
I
LX3
5A/div
V
LX3
10V/div
3.3V OUTPUT
5OmV/div
AC-COUPLED
20µs/div
V
IN
= 8V, I
OUT
= 1A TO 5A
SHUTDOWN WAVEFORMS
MAX8741/42 toc14
5V
3.3V
0
0
0
5V OUTPUT
2V/div
3.3V OUTPUT
2V/div
DL3
5V/div
DL5
5V/div
SHDN
5V/div
500µs/div
R
LOAD3
= 5Ω, R
LOAD5
= 5Ω
STARTUP WAVEFORMS
MAX8741/42 toc13
0
0
0
0
3.3V OUTPUT
2V/div
5V OUTPUT
5V/div
TIME
2V/div
RUN
5V/div
2ms/div
SEQ = V
L
, O.O1µF CAPACITOR ON-TIME
MAX8741/
M
AX8742
500kHz Multi-Output Power-Supply Controllers
with High Impedance in Shutdown
8
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(Circuit of Figure 1, Table 1, 6A/500kHz components, T
A
= +25°C, unless otherwise noted.)
2.505
2.500
2.495
2.490
2.485
0
3
1
2
4
5
6
REF OUTPUT VOLTAGE
vs. OUTPUT CURRENT
MAX8741/42 toc10
OUTPUT CURRENT (mA)
REF OUTPUT VOLTAGE (V)
V
IN
= 15V
ON3 = ON5 = 0