MIC68200_11 Datasheet, PDF (8/16 Pages) Micrel Semiconductor – 2A Sequencing LDO with Tracking and Ramp Control

Micrel, Inc.
Typical Characteristics
45
40
35
30
25
20
15
10
5
0
0.0
Ground Current
vs. Output Current
V_out=1.8V
V_in=V_out+1V
C_out=10μF
0.5
1.0
1.5
2.0
Output Current (A)
Ground Current
vs. Temperature
45
40
2A
35
30
V_out=1.8V
25
V_in=V_out+1V
20
C_out=10μF
1A
15
10
100mA
5
0
-50
-25
0
25
50
75
Temperature (°C)
100 125
Enable Threshold
vs. Input Voltage
1
0.9
0.8
0.7
0.6
0.5
0.4
1.9
V_out=1.8V
I_out=10mA
C_out=10μF
2.9
3.9
4.9
Input Voltage (V)
MIC68200
Output Voltage
vs. Input Voltage
2
1.5
1
V_out=1.8V
C_out=10μF
0.5
I_out=10mA
0
0
1
2
3
4
5
Input Voltage (V)
Output Voltage
vs. Temperature
2
1.95
1.9
1.85
1.8
1.75
1.7
1.65
1.6
-50 -25
0 25 50 75 100 125
Temperature (°C)
4
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.1
3
2.0
Current Limit
vs. Input Voltage
V_out=1.8V
C_out=10μF
3.0
4.0
5.0
Input Voltage (V)
400
350
300
250
200
150
100
50
0
0.0
Dropout Voltage
vs. Output Current
V_out=1.8V
V_DO=V_in-V_out
C_out=10μF
0.5
1.0
1.5
2.0
Output Current (A)
Dropout Voltage
vs. Temperature
400
V_out=1.8V
350 _VDO=Vin-Vout
2A
300 ^Cout=10μF
250
1A
200
500mA
150
100
100mA
50
10mA
0
-50 -25
0 25 50 75 100 125
Temperature (°C)
Output Noise Spectral Density
1
0.1
0.01
V_in=V_out+1V
C_out=10μF
V_out=1.8V
0.001
0.01
0.1
1
10 100 1000 10000
Frequency (kHz)
February 2011
8
M9999-022311-E