November 2006 5 MIC29310/29312
MIC29310/29312 Micrel
0.00
0.10
0.20
0.30
0.40
0.50
0.60
0123
DROPOUT VOLTAGE (V)
OUTPUT CURRENT (A)
MIC2931x Dropout Voltage
vs. Output Current
0
0.2
0.4
0.6
0.8
1
-60 -30 0 30 60 90 120 150
DROPOUT VOLTAGE (mV)
TEMPERATURE (°C)
MIC2931x Dropout Voltage
vs. Temperature
I
LOAD
= 3A
0.0
1.0
2.0
3.0
4.0
5.0
0246
OUTPUT VOLTAGE (V)
INPUT VOLTAGE (V)
MIC29310-3.3
Dropout Characteristics
I
LOAD
= 3A
I
LOAD
= 10mA
Typical Characteristics
6.525V
4.525V
3.525V
+20mV
–20mV
OUTPUT VOLTAGE INPUT VOLTAGE
MIC29312 Line Transient Response
with 3A Load, 100F Output Capacitance
200s/division
I
OUT
= 3A
C
OUT
= 100F
6.525V
4.525V
3.525V
+20mV
–20mV
OUTPUT VOLTAGE INPUT VOLTAGE
MIC29312 Line Transient Response
with 3A Load, 10F Output Capacitance
200s/division
I
OUT
= 3A
C
OUT
=10F
0mA
200mA
3A
3.525V
+20mV
–20mV
LOAD CURRENT OUTPUT VOLTAGE
MIC29312 Load Transient Response
(See Test Circuit Schematic)
1ms/division
V
IN
= V
OUT
+ 1V
MIC29312
EN
IN
OUT
ADJ
GND
0.1µF
93.1k
1%
49.9k
1%
V
OUT
3.525V nominal
4 × 330µF
AVX
TPSE337M006R0100
tantalum
V
OUT
load (not shown): Intel® Power Validator
MIC29312 Load Transient Response Test Circuit
