MIC2546/2547
Micrel
Typical Characteristics
Output On-Resistance
vs. Supply Voltage
Output On-Resistance
vs. Temperature
On-State Supply Current
vs. Supply Voltage
100
120
100
80
280
240
200
160
120
80
90
TA = 27°C
2.7V
3.3V
80
TA = 27°C
70
60
5.0V
60
40
50
40
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
-40 -20
0
20 40 60 80 100
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
On-State Supply Current
Off-State Supply Current
vs. Supply Voltage
Off-State Supply Current
vs. Temperature
vs. Temperature
0.20
280
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0.18
0.16
0.14
0.12
0.1
RL = 44Ω
240
200
160
120
TA = 27°C
5.0V
3.3V
0.08
0.06
0.04
0.02
0
3.3V
5.0V
80
40
2.7V
0
2.7V
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
-40 -20
20 40 60 80 100
-40 -20
0
20 40 60 80 100
TEMPERATURE (°C)
TEMPERATURE (°C)
Rise Time
vs. Temperature
Enable Threshold Voltage
vs. Supply Voltage
Enable Threshold Voltage
vs. Temperature
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
2.0
1.8
1.6
1.4
1.2
1.0
7
TA = 27°C
6
5
4
3
2
1
0
2.7V
VEN RISING
VEN RISING
3.3V
VEN FALLING
VEN FALLING
5.0V
RL = 44Ω
20 40 60 80 100
-40 -20
0
20 40 60 80 100
-40 -20
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
TEMPERATURE (°C)
Output Fall Time
vs. Temperature
Current Limit
vs. RSET
Output Current
vs. Output Voltage
2000
1500
1000
500
0
2.5
2000
1500
1000
500
0
RL = 44Ω
VIN = 5V
RSET = 150
2.0
1.5
1.0
0.5
0
2.7V
VIN = 5V
3.3V
5.0V
RSET = 470
RSET = 2.3k
ITH
ISET
ISHORT
0
1
2
3
4
5
6
-40 -20
0
20 40 60 80 100
100
1000
(Ω)
5000
OUTPUT VOLTAGE (V)
TEMPERATURE (°C)
R
SET
MIC2546/2547
4
June 2000
MICREL [ MICREL SEMICONDUCTOR ]
