MIC2219 Datasheet, PDF (7/10 Pages) Micrel Semiconductor – Dynamically Adjustable Dual uCap LDO

MIC2219
Typical Characteristics (cont.)
Ground Current
vs. Output Current
35
30
25
LDO1
20
15
10
5
LDO1 Only
LDO2 Disabled (V_EN2 = LOW)
00
50
100
150
OUTPUT 1 LOAD CURRENT (mA)
Ground Current
vs. Output Current
35
30
25
LDO2
20
15
10
5
LDO2 Only
LDO1 Disabled (V_EN1 = LOW)
00 _{50 100 150 200 250 300}
OUTPUT 2 LOAD CURRENT (mA)
Ground Current
vs. Output Current
60
50
Both Enabled
40
30
20 _{Both LDOs Active}
LDO1 = 150mA
10 _{Output Current LDO2}
Varied from 0 to Full Load
00 _{50 100 150 200 250 300}
OUTPUT 2 LOAD CURRENT (mA)
3.003
Output Voltage
vs. Load Current
3.002
3.001
3.000
2.999
2.998
2.997
2.996
2.9950 _{25 50 75 100 125 150}
OUTPUT 1 LOAD CURRENT (mA)
Output Voltage 1
vs. Temperature
3.10
3.08 _{100µA load}
3.06
3.04
3.02
3.00
2.98
2.96
2.94
2.92
2.90-40 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
Output Voltage 2
vs. Temperature
3.40
3.38 _{100µA load}
3.36
3.34
3.32
3.30
3.28
3.26
3.24
3.22
3.20
TEMPERATURE (°C)
Micrel, Inc.
Ground Current
vs. Output Current
60
50
Both Enabled
40
30
20 _{Both LDOs Active}
LDO2 = 300mA
10 Output Current LDO1
Varied from 0 to Full Load
00
50
100
150
OUTPUT 1 LOAD CURRENT (mA)
3.304
Output Voltage
vs. Load Current
3.303
3.302
3.301
3.300
3.299
3.298
3.297
3.296
3.2950 _{50 100 150 200 250 300}
OUTPUT 2 LOAD CURRENT (mA)
Enable Voltage Threshold
vs. Supply Voltage
1.60
1.40
1.20
1.00
0.80
0.60
0.40
0.20
0.030.25 _{3.75 4.25 4.75 5.25}
SUPPLY VOLTAGE (V)
April 2005
7
M9999-042105