Low-Voltage DDR Linear Regulator
Typical Operating Characteristics (continued)
(Circuit of Figure 1. T
A
= +25°C, unless otherwise noted)
REFOUT VOLTAGE ERROR
vs. REFOUT LOAD CURRENT
15
REFOUT VOLTAGE ERROR (mV)
10
5
0
-5
-10
-15
-20
-10
-5
0
5
10
500µs/div
REFOUT LOAD CURRENT (mA)
1.25V
V
OUT
0V
4V
PGOOD
0V
MAX1510 toc10
MAX1510
STARTUP WAVEFORM
MAX1510 toc11
20
5V
SHDN
0V
SHUTDOWN WAVEFORM
MAX1510 toc12
SOURCE LOAD TRANSIENT
5V
SHDN
0V
2V
1V
V
OUT
0V
4V
PGOOD
0V
1A
I
OUT
0A
V
OUT
AC-COUPLED
1mV/div
MAX1510 toc13
R
LOAD
= 100Ω
100µs/div
20.0µs/div
SOURCE/SINK LOAD TRANSIENT
MAX1510 toc14
LINE TRANSIENT
MAX1510 toc15
3.3V
V
OUT
AC-COUPLED
5mV/div
V
IN
(1V/div)
1.5V
+1.5A
I
OUT
-1.5A
I
OUT
= 100mA
4.00µs/div
40µs/div
V
OUT
(10mV/div)
AC-COUPLED
0.9V
_______________________________________________________________________________________
5
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
