MIC29310 Datasheet, PDF (5/12 Pages) Micrel Semiconductor – 3A Fast-Response LDO Regulator

MIC29310/29312
Typical Characteristics
V_IN = V_OUT + 1V
MIC29312
EN
OUT
IN
ADJ
GND
V_OUT
3.525V nominal
0.1µF
49.9k
1%
93.1k
1%
4 × 330µF
AVX
TPSE337M006R0100
tantalum
V_OUT load (not shown): Intel® Power Validator
MIC29312 Load Transient Response Test Circuit
Micrel
MIC29312 Load Transient Response
(See Test Circuit Schematic)
+20mV
3.525V
–20mV
3A
1ms/division
200mA
0mA
MIC29312 Line Transient Response
with 3A Load, 10µF Output Capacitance
6.525V
4.525V
+20mV
3.525V
–20mV
200µs/division
I_OUT = 3A
C_OUT =10µF
MIC29312 Line Transient Response
with 3A Load, 100µF Output Capacitance
6.525V
4.525V
+20mV
3.525V
–20mV
200µs/division
I_OUT = 3A
C_OUT = 100µF
MIC2931x Dropout Voltage
vs. Output Current
0.60
0.50
0.40
0.30
0.20
0.10
0.00
0
1
2
3
OUTPUT CURRENT (A)
July 1999
MIC2931x Dropout Voltage
vs. Temperature
1
0.8
0.6
0.4
I_LOAD = 3A
0.2
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
5
MIC29310-3.3
Dropout Characteristics
5.0
4.0
I_LOAD = 10mA
3.0
2.0
I_LOAD = 3A
1.0
0.0
0
2
4
6
INPUT VOLTAGE (V)
MIC29310/29312