MIC2095_11 Datasheet, PDF (7/25 Pages) Micrel Semiconductor – Current-Limiting Power Distribution Switches

Micrel, Inc.
Typical Characteristics
VIN Shutdown Current
vs. Input Voltage
10
8
6
4
-2 Version
2
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
Current Limit vs. Input Voltage
MIC2097/MIC2099
1.2
1.0
RSET = 200Ω, ISET = 1.08A
0.8
0.6
0.4
VOUT=0.8*VIN
0.2
RSET = 298Ω, ISET = 0.7A
RSET = 508Ω, ISET = 0.4A
RSET = 1920Ω, ISET=0.1A
0.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
Current Limit vs. Input Voltage
MIC2097/MIC2099
1.2
1.0
ILIMIT
0.8
0.6
0.4
ISC
RSET =195Ω
ISET = 1.1A
0.2
VOUT = 0.8*VIN
0.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
Fault Delay vs. Input Voltage
MIC2097
140
120
100
80
60
40
CLOAD = 1μF
20
RLOAD = 100Ω
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
August 2011
VIN Shutdown Current
vs. Input Voltage
6
4
2
0
-1 Version
-2
2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
Current Limit vs. Input Voltage
MIC2095
1.0
ILIMIT
0.8
0.6
ISC
0.4
0.2
VOUT = 0.8*VIN
0.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
Switch On Resistance
vs. Input Voltage
240
220
200
180
160
140
120
IOUT = 100mA
100
2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
Kickstart Current vs. Input Voltage
MIC2097
1.8
1.6
1.4
1.2
1.0
0.8
0.6
RSET = 195Ω
ISET = 1.1A
0.4
VOUT = 0.8*VIN
0.2
0.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
7
MIC2095/97/98/99
VIN Supply Current
vs. Input Voltage
100
80
60
40
20
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
Current Limit vs. Input Voltage
MIC2098
1.2
1.0
ILIMIT
0.8
ISC
0.6
0.4
0.2
0.0
2.5
VOUT = 0.8*VIN
3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
Fault Delay vs. Input Voltage
MIC2095/MIC2098/MIC2099
40
35
30
25
20
15
10
CLOAD = 1μF
RLOAD = 100Ω
5
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
Kickstart Period vs. Input Voltage
MIC2097
140
120
100
80
60
40
20
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
M9999-080211-C