MIC2166 Datasheet, PDF (6/26 Pages) Micrel Semiconductor – Adaptive On-Time DC-DC Controller

Micrel, Inc.
Typical Characteristics (Continued)
Current Limit Threshold
vs. Temperature
160
140
VFB = 0.79V
120
100
80
60
VFB = 0V
40
20
0
-40
0
40
80
120
TEMPERATURE (°C)
5.5
5.4
5.3
5.2
5.1
5.0
4.9
4.8
4.7
4.6
4.5
-40
VDD vs. Temperature
V_IN = 12V
0
40
80
120
TEMPERATURE (°C)
MIC2166
550
500
450
400
350
300
250
-40
VDD Dropout
vs. Temperature
I_DD = 25mA
0
40
80
120
TEMPERATURE (°C)
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
0.95
0.90
4
Enable Threshold
vs. Input Voltage
8
12
16
20
24
28
INPUT VOLTAGE (V)
1.5
1.2
0.9
0.6
0.3
0.0
-40
Enable Threshold
vs. Temperature
0
40
80
120
TEMPERATURE (°C)
Power Good Threshold
vs. Temperature
100
97
94
91
88
85
-40
VIN = 12V
0
40
80
120
TEMPERATURE (°C)
1150
1110
1070
1030
990
950
910
870
830
790
750
4
Quiescent Current
vs. Input Voltage
8
12
16
20
24
28
INPUT VOLTAGE (V)
100
90
80
70
60
50
40
30
20
10
0
4
Shutdown Current
vs. Input Voltage
8
12
16
20
24
28
INPUT VOLTAGE (V)
VDD Dropout vs. VDD Load
700
600
500
400
300
200
100
0
0 5 10 15 20 25 30 35 40
VDD OUTPUT CURRENT (mA)
June 2010
6
M9999-060810-B