MIC2545A/2549A
Micrel
Typical Characteristics
Output On-Resistance
vs. Supply Voltage
OUTPUT RESISTANCE (mΩ)
OUTPUT RESISTANCE (mΩ)
Output On-Resistance
vs. Temperature
50
45
40
35
30
25
-40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
2.7V
3.3V
SUPPLY CURRENT (µA)
On-State Supply Current
vs. Supply Voltage
140
120
100
80
60
40
20
0
2.5
3.0 3.5 4.0 4.5 5.0
SUPPLY VOLTAGE (V)
5.5
T
A
= 27°C
40
39
38
37
36
35
34
33
32
31
30
2.5
3.0 3.5 4.0 4.5 5.0
SUPPLY VOLTAGE (V)
5.5
T
A
= 27°C
5.0V
On-State Supply Current
vs. Temperature
140
SUPPLY CURRENT (µA)
SUPPLY CURRENT (µA)
Off-State Supply Current
vs. Temperature
0.5
SUPPLY CURRENT (µA)
Off-State Supply Current
vs. Supply Voltage
0.10
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0
2.5
3.0 3.5 4.0 4.5 5.0
SUPPLY VOLTAGE (V)
5.5
T
A
= 27°C
120
100
80
60
40
20
0
-40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
3.3V
2.7V
5.0V
R
L
= 44Ω
0.4
0.3
5.0V
0.2
3.3V
0.1
2.7V
0
-40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
Control Threshold Voltage
vs. Supply Voltage
2.0
1.9
Control Threshold Voltage
vs. Temperature
4.0
OUTPUT RISE TIME (ms)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
CONTROL THRESHOLD (V)
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
-40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
LOW
HIGH
Rise Time
vs. Temperature
2.7V
THRESHOLD VOLATAGE (V)
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
2.5
LOW
HIGH
T
A
= 27°C
3.3V
5.0V
R
L
= 44Ω
3.0 3.5 4.0 4.5 5.0
SUPPLY VOLTAGE (V)
5.5
0
-40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
Output Fall Time
vs. Temperature
1.8
3500
Current Limit
vs. Rset
3500
OUTPUT CURRENT (mA)
V
IN
= 5V
3000
2500
2000
1500
1000
500
0
I
SHORT
0
150
300
450
R
SET
(Ω)
600
I
LIMIT
I
TH
Output Current
vs. Output Voltage
3000
2500
2000
1500
1000
500
0
R
SET
= 460
0
1.0 2.0 3.0 4.0 5.0
OUTPUT VOLTAGE (V)
6.0
R
SET
= 230
V
IN
= 5V
R
SET
= 92
OUTPUT FALL TIME (µs)
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
3.3V
5.0V
0
-40 -20 0 20 40 60 80 100
TEMPERATURE (°C)
April 2004
CURRENT LIMIT (mA)
R
L
= 44Ω
C
L
= 0µF
2.7V
7
M9999-041204
MICREL [ MICREL SEMICONDUCTOR ]
