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MIC2212_06 Datasheet, PDF (7/10 Pages) Micrel Semiconductor – Dual μCap LDO and Power-On Reset
MIC2212
Typical Characteristics (cont.)
Ground Current
35 vs. Output Current
30
25
LDO1
20
15
10
5
LDO1 Only
LDO2 Disabled (VEN2 = LOW)
00
50
100
150
OUTPUT 1 LOAD CURRENT (mA)
Ground Current
35 vs. Output Current
30
25
LDO2
20
15
10
5
LDO2 Only
LDO1 Disabled (VEN1 = LOW)
00 50 100 150 200 250 300
OUTPUT 2 LOAD CURRENT (mA)
Ground Current
60 vs. Output Current
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)
2.610
Output Voltage
vs. Load Current
2.605
2.600
2.595
2.590
2.585
2.5800 25 50 75 100 125 150
OUTPUT 1 LOAD CURRENT (mA)
Output Voltage 1
vs. Temperature
3.15
3.10 100µA load
3.05
3.00
2.95
2.90
2.8-540 -20 0 20 40 60 80 100120140
TEMPERATURE °(C)
Output Voltage 2
vs. Temperature
2.95
2.90 100µA load
2.85
2.80
2.75
2.70
2.6-540 -20 0 20 40 60 80 100120140
TEMPERATURE °(C)
POR Delay
10M
1M
100k
10k
1k
100
10
1
1
CIN = 1µF
COUT = 1µF
ILOAD = 100µA
10 100 1k 10k 100k 1M
POR SETTING CAP (pF)
February 2006
7
Micrel, Inc.
Ground Current
60 vs. Output Current
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)
2.870
Output Voltage
vs. Load Current
2.865
2.860
2.855
2.850
2.845
2.840
2.835
2.830
2.825
2.8200 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
0.020.25 2.75 3.25 3.75 4.25 4.75 5.25
SUPPLY VOLTAGE (V)
M9999-022106