MIC5159 Datasheet, PDF (4/23 Pages) Micrel Semiconductor – PROGRAMMABLE CURRENT LIMIT UCAP LDO REGULATOR CONTROLLER

MIC5159
Typical Characteristics
1.25
1.245
1.24
1.235
1.23
1.225
1.22
Reference Voltage
vs. Input Voltage
INPUT VOLTAGE (V)
Quiescent Current
vs. Input Voltage
10
9
8
7
6
5
4
3
2
1
I_LOAD = 10mA
0
INPUT VOLTAGE (V)
Current Limit Threshold
vs. Input Voltage
60
58
56
54
52
50
48
46
44
42
40
INPUT VOLTAGE (V)
Enable Threshold
vs. Input Voltage
700
EN on
600
500
400
EN off
300
200
100
0
INPUT VOLTAGE (V)
M9999-041204
1.24
1.239
Reference Voltage
vs. Temperature
V_IN = 3.3V
1.238
1.237
1.236
1.235
1.234
1.233
1.232
1.231
1.23
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Quiescent Current
vs. Temperature
10
9
8
7
6
5
4
3
2
1
V_IN = 3.3V
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Current Limit Threshold
vs. Temperature
60
58
56
54
52
50
48
46
44
42
40
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Shutdown Current
vs. Input Voltage
20
-40°C
18
16
25°C
14
12
85°C
10
8
6
4
2
0
INPUT VOLTAGE (V)
4
Micrel
1.24
1.239
Output Voltage
vs. Load
V_IN = 2.5V
1.238
1.237
1.236
1.235
1.234
1.233
1.232
1.231
1.23
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
LOAD (A)
Quiescent Current
vs. Load
10
9
8
7
6
5
4
3
2
1
V_IN = 2.5V
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
LOAD (A)
Enable Threshold
vs. Temperature
800
700
600
EN on
500
400
300
200
EN off
100
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
April 2004