Preliminary Datasheet
3A DDR TERMINATION REGULATOR
Typical Performance Characteristics (Continued)
AP2302
40
Output Transient
Voltage (mV)
Output Transient
Voltage (mV)
Output
Current (A)
20
0
-20
3
Output
Current (A)
1
-1
-3
-5
Time (µs)
40
20
0
-20
3
1
-1
-3
-5
Time (µs)
Figure 8. 0.9V
TT
at 3A Transient Response
(Conditions: V
IN
=2.5V, V
CNTL
=3.3V, C
OUT
=10µF)
Figure 9. 1.25V
TT
at 3A Transient Response
(Conditions: V
IN
=2.5V, V
CNTL
=3.3V, C
OUT
=10µF)
0.30
0.28
0.26
V
IN
=0.9V
V
IN
=0.85V
V
IN
=0.8V
R
DS(ON)
(
Ω
)
0.30
0.28
0.26
0.24
0.22
0.20
V
IN
=0.9V
V
IN
=0.85V
V
IN
=0.8V
R
DS(ON)
(
Ω
)
0.24
0.22
0.20
0.18
0.16
25
50
75
o
V
CNTL
=3.3V
V
REFEN
=1.0V
100
125
0.18
0.16
25
50
75
o
V
CNTL
=5.0V
V
REFEN
=1.0V
100
125
Junction Temperature ( C)
Junction Temperature ( C)
Figure 10. R
DS(on)
vs. Junction Temperature
Figure 11. R
DS(on)
vs. Junction Temperature
Jul. 2006 Rev. 1. 2
7
BCD Semiconductor Manufacturing Limited
BCDSEMI [ BCD SEMICONDUCTOR MANUFACTURING LIMITED ]
