MIC29510/29512
Micrel
Typical Characteristics
MIC29512 Load Transient Response
(See Test Circuit Schematic)
OUTPUT VOLTAGE
MIC29512
EN
V
IN
= V
OUT
+ 1V
IN
GND
OUT
ADJ
49.9k
1%
0.1µF
93.1k
1%
V
OUT
3.525V nominal
4
×
330µF
AVX
TPSE337M006R0100
tantalum
+20mV
3.525V
–20mV
1ms/division
MIC29512 Load Transient Response Test Circuit
LOAD CURRENT
V
OUT
load (not shown):
Intel® Power Validator
5A
200mA
0mA
MIC29512 Line Transient Response
with 5A Load, 10µF Output Capacitance
MIC29512 Line Transient Response
with 5A Load, 100µF Output Capacitance
INPUT VOLTAGE
6.525V
4.525V
INPUT VOLTAGE
6.525V
4.525V
200µs/division
I
OUT
= 5A
C
OUT
= 10µF
200µs/division
I
OUT
= 5A
C
OUT
= 100µF
OUTPUT VOLTAGE
+20mV
3.525V
–20mV
OUTPUT VOLTAGE
+20mV
3.525V
–20mV
MIC2951x Dropout Voltage
vs. Output Current
1.0
1.0
MIC2951x Dropout Voltage
vs. Temperature
5.0
MIC29510-3.3
Dropout Characteristics
OUTPUT VOLTAGE (V)
V
IN
= 4.3V
4.0
I
LOAD
= 10mA
3.0
2.0
1.0
0.0
0
2
4
INPUT VOLTAGE (V)
6
I
LOAD
= 5A
DROPOUT VOLTAGE (V)
DROPOUT VOLTAGE (V)
0.8
0.6
0.4
0.2
0
0
1
2
3
4
OUTPUT CURRENT (A)
5
0.8
0.6
0.4
0.2
0
-60 -30 0 30 60 90 120 150
TEMPERATURE (°C)
I
LOAD
= 5A
3-100
1997
MICREL [ MICREL SEMICONDUCTOR ]
