MIC2811_08 Datasheet, PDF (8/17 Pages) Micrel Semiconductor – Digital Power Management IC 2MHz, 600mA DC/DC with Triple 300mA LDOs

Micrel, Inc.
Typical Characteristics (LDO cont.)
LDO2 Dropout Voltage
vs. Load Current
140
V = 5.5V
IN
120 _{V = 1.2V}
OUT
100 ^{C = 2.2µF}
80
60
40
20
00 _{50 100 150 200 250 300}
OUTPUT CURRENT (mA)
LDO2
Load Regulation
2.5025
V = 5.5V
2.502 ^IN
2.5015
V
IN2
=
3.6V
C = 2.2µF
2.501
2.5005
2.5
2.4995
2.499
2.4985
2.498
2.49750 _{50 100 150 200 250 300}
OUTPUT CURRENT (mA)
LDO3
Load Regulation
2.71
V = 3.6V
2.708 ^IN
C = 2.2µF
2.706
2.704
2.702
2.7
2.698
2.696
2.694
2.692
2.690 _{50 100 150 200 250 300}
OUTPUT CURRENT (mA)
LDO2 GND Current
vs. Output Current
65
V = 3.6V
64 ^IN
C = 2.2µF
63
62
61
60
59
58
57
56
550 _{50 100 150 200 250 300}
OUTPUT CURRENT (mA)
MIC2811/2821
LDO3
Line Regulation
2.75
I = 150mA
2.74 ^LOAD
C = 2.2µF
2.73
2.72
2.71
2.7
2.69
2.68
2.67
2.66
2.635.1
3.7
4.3
4.9
5.5
VIN3 INPUT VOLTAGE (V)
April 2008
8
M9999-042208-A