Typical operating characteristics (continued) – Rainbow Electronics MAX8514 User Manual
Page 11
MAX8513/MAX8514
Wide-Input, High-Frequency, Triple-Output Supplies
with Voltage Monitor and Power-On Reset
______________________________________________________________________________________
11
MAX8513/14 toc19
20µs/div
0A
0V
0V
I
L
2A/div
V
OUT1
2V/div
V
LX
10V/div
OUTPUT1 SHORT CIRCUIT
(ALL OUTPUTS AT NO LOAD)
-0.5
0.1
-0.1
-0.3
0.3
0.5
0.7
0.9
1.1
1.3
1.5
100
2100
1100
3100
4100
5100
OUTPUT RIPPLE AND HARMONICS
(MEASURED AT OUT1)
MAX8513/14 toc20
FREQUENCY (kHz)
NOISE (mV)
V
IN
= 12V
V
OUT1
= 3.3V AT 2A
V
OUT2
= 2.5V AT 1.5A
V
OUT3
= 12V AT 50mA
MAX8513/14 toc16
2ms/div
0V
0V
V
OUT2
2V/div
SYNC/EN
5V/div
V
OUT3
5V/div
V
OUT1
2V/div
STAGGERED SEQUENCE (SEQ = GND)
MAX8513/14 toc17
4ms/div
0V
0V
V
OUT2
2V/div
SYNC/EN
5V/div
V
OUT3
5V/div
V
OUT1
2V/div
TRACKING SEQUENCE (SEQ = VL)
MAX8513/14 toc18
20µs/div
0A
0V
0V
1
L
2A/div
V
OUT1
2V/div
V
LX
10V/div
OUTPUT1 SHORT CIRCUIT
(ALL OUTPUTS AT FULL LOAD)
Typical Operating Characteristics (continued)
(Circuit of MAX8513 evaluation kit, V
IN
= 12V, T
A
= +25°C, f
S
= 1.4MHz, unless otherwise noted.)