Typical operating characteristics (continued) – Rainbow Electronics MAX8514 User Manual
Page 10
MAX8513/MAX8514
Wide-Input, High-Frequency, Triple-Output Supplies
with Voltage Monitor and Power-On Reset
10
______________________________________________________________________________________
MAX8513/14 toc12
200ns/div
0V
0V
0V
0V
V
DH
10V/div
V
DL
5V/div
V
LX
10V/div
V
D2
(ANODE)
20V/div
SWITCHING WAVEFORMS
(ALL OUTPUTS AT FULL LOAD)
MAX8513/14 toc13
1µs/div
0V
0V
0V
V
DH
5V/div
V
DL
10V/div
SYNC/EN
5V/div
SYNCHRONIZATION
MAX8513/14 toc14
2ms/div
0V
0V
0V
V
IN
5V/div
V
OUT1
2V/div
I
OUT1
= 2A, I
OUT2
= 1.5A, I
OUT3
= 50mA
PFO
2V/div
PFO RESPONSE
MAX8513/14 toc15
100ms/div
0V
0V
0V
0V
V
OUT3
10V/div
V
OUT1
2V/div
V
OUT2
5V/div
POR
5V/div
POR RESPONSE
OUTPUT1 LOAD-TRANSIENT RESPONSE
MAX8513/14 toc10
40µs/div
50mV/div
50mV/div
100mV/div
0A
V
OUT1
AC-COUPLED
V
OUT2
AC-COUPLED
V
OUT3
AC-COUPLED
I
OUT1
1A/div
I
OUT2
= 0.75A, I
OUT3
= 25mA
OUTPUT3 LOAD-TRANSIENT RESPONSE
MAX8513/14 toc11
40µs/div
50mV/div
50mV/div
50mV/div
5mA
V
OUT1
AC-COUPLED
V
OUT2
AC-COUPLED
V
OUT3
AC-COUPLED
I
OUT3
50mA/div
I
OUT1
= 1A, I
OUT2
= 0.75A
Typical Operating Characteristics (continued)
(Circuit of MAX8513 evaluation kit, V
IN
= 12V, T
A
= +25°C, f
S
= 1.4MHz, unless otherwise noted.)