MIC68200 Datasheet, PDF (8/15 Pages) Micrel Semiconductor – 2A Sequencing LDO with Tracking and Ramp Control

Micrel, Inc.
Typical Characteristics
Ground Current
vs. Output Current
45
40
35
30
25
20
15
10
5
00.0
V_IN = V_OUT + 1V
V_OUT = 1.8V
C_OUT = 10µF
0.4 0.8 1.2 1.6 2.0
OUTPUT CURRENT (A)
Enable Threshold
vs. Input Voltage
1
0.9
0.8
0.7
0.6
0.5
V_OUT = 1.8V
I_OUT = 10mA
C_OUT = 10µF
0.14.9 _{2.4 2.9 3.4 3.9 4.4 4.9 5.4}
INPUT VOLTAGE (V)
MIC68200
Output Voltage
vs. Input Voltage
2
1.5
1
0.5
V_IN = V_OUT + 1V
V_OUT = 1.8V
C_OUT = 10µF
I_OUT = 10mA
00 _{1 2 3 4 5}
INPUT VOLTAGE (V)
Output Voltage
vs. Temperature
2.00
1.95
1.90
1.85
1.80
1.75
1.70
1.65
1.60
V_IN = V_OUT + 1V
V_OUT = 1.8V
C_OUT = 10µF
20 40 60 80
TEMPERATURE (°C)
Current Limit
vs. Input Voltage
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
V_IN = 2.8V
3.1
V_OUT = 1.8V
C_OUT = 10µF
3.0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
400
350
300
250
200
150
100
50
0
0.0
Dropout Voltage
vs. Output Current
V_IN = V_OUT + 1V
V_OUT = 1.8V
C_OUT = 10µF
0.4 0.8 1.2 1.6 2.0
OUTPUT CURRENT (mA)
Output Noise
Spectral Density
1
0.1
0.01
0.0001.01 _{0.1 1}
V_IN = V_OUT +1V
V_OUT = 1.8V
C_OUT = 10µF
10 100 1,000 10,000
FREQUENCY (kHz)
July 2006
8
M9999-071206
[phone]