MIC5256 Micrel Semiconductor, MIC5256 Datasheet - Page 6

• Manufacturer Part Number: MIC5256
• Description: 150mA UCap LDO with Error Flag
• Manufacturer: Micrel Semiconductor

MIC5256
Test Circuits
MIC5256
600
500
400
300
200
100
0
3
Short Circuit Current
3.5
INPUT VOLTAGE (V)
4
4.5
5
5.5
1.25
1.15
1.05
0.95
0.85
1.3
1.2
1.1
0.9
0.8
-40 -20 0 20 40 60 80 100120140
1
Ceramic
* C
0V
1.0 F*
6
IN
Enable Threshold
TEMPERATURE ( C)
vs. Temperature
= C
ON
OFF
OUT
I
LOAD
= 1 F
= 100 A
500
490
480
470
460
450
440
430
420
410
400
Figure 1. Test Circuit
-40 -20 0 20 40 60 80 100120140
MIC5256
V
IN
Short Circuit Current
= V
TEMPERATURE ( C)
OUT
+ 1V
6
47k
0.01 F
4.5
3.5
2.5
1.5
0.5
0.1
4
3
2
1
0
Error Flag Pull-Up Resistor
Power Good
Error Flag Output
1
1.0 F*
Ceramic
RESISTANCE (k )
10
100
Power Fail
V
IN
1000 10000
3.05
3.04
3.03
3.02
3.01
3.00
2.99
2.98
2.97
2.96
2.95
= 4V
-40 -20 0 20 40 60 80 100120140
Output Voltage vs.
TEMPERATURE ( C)
Temperature
I
LOAD
= 100 A
June 2003
Micrel