MIC5256 Datasheet, PDF (6/11 Pages) Micrel Semiconductor – 150mA UCap LDO with Error Flag

MIC5256
Micrel
Short Circuit Current
600
500
400
300
200
100
03 _{3.5 4 4.5 5 5.5 6}
INPUT VOLTAGE (V)
Short Circuit Current
500
490 ^{VIN = VOUT + 1V}
480
470
460
450
440
430
420
410
40-040 _{-20 0 20 40 60 80 100120140}
TEMPERATURE (°C)
Output Voltage vs.
Temperature
3.05
3.04
3.03
3.02
3.01
3.00
2.99
2.98
2.97
2.96
I
LOAD
=
100µA
2.9-540 _{-20 0 20 40 60 80 100120140}
TEMPERATURE (°C)
Test Circuits
Enable Threshold
vs. Temperature
1.3
1.25
1.2
1.15
1.1
1.05
1
0.95
0.9
0.85
I
LOAD
=
100µA
0.-840 _{-20 0 20 40 60 80 100120140}
TEMPERATURE (°C)
Error Flag Pull-Up Resistor
4.5
Power Good
4
3.5
3
2.5
2
1.5
V_IN = 4V
1
0.5
00.1
Power Fail
1 10 100 1000 10000
RESISTANCE (kΩ)
1.0µF*
Ceramic
ON
0V
OFF
MIC5256
47k
0.01µF
1.0µF*
Ceramic
Error Flag Output
* C_IN = C_OUT = 1µF
Figure 1. Test Circuit
MIC5256
6
June 2003