MAX890 Maxim, MAX890 Datasheet - Page 4

• Manufacturer Part Number: MAX890
• Description: The MAX890L smart, low-voltage, P-channel, MOSFET power switch is intended for high-side load-switching applications
• Manufacturer: Maxim

1.2A, Current-Limited, High-Side
P-Channel Switch with Thermal Shutdown
4
__________________________________________Typical Operating Characteristics
(T
A
_______________________________________________________________________________________
= +25°C, unless otherwise noted.)
1000
0.01
1.2
1.0
0.8
0.6
0.4
0.2
100
0.1
14
12
10
10
0
8
6
4
2
0
1
-40
0
0
ON = GND
I
OUT
NORMALIZED OUTPUT CURRENT
V
-20
IN
1
= 0A
1
= 5V
OFF-SWITCH CURRENT
vs. OUTPUT VOLTAGE
QUIESCENT CURRENT
vs. INPUT VOLTAGE
vs. TEMPERATURE
0
OUTPUT VOLTAGE (V)
TEMPERATURE (°C)
INPUT VOLTAGE (V)
2
2
20
3
3
40
4
4
60
5
5
80
I
LIMIT
100
6
6
260
240
220
200
180
160
140
120
100
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
80
60
14
13
12
11
10
9
8
7
-40
-40
-40
I
I
OUT
LOAD
-20
-20
NORMALIZED ON-RESISTANCE
-20
= 1/2I
= I
LIMIT
QUIESCENT CURRENT
LIMIT
vs. TEMPERATURE
vs. TEMPERATURE
vs. TEMPERATURE
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
TURN-ON TIME
20
20
20
40
40
40
60
60
60
V
V
V
V
IN
IN
IN
80
80
IN
80
= 5V
= 5V
= 3V
= 3V
100
100
100
1400
1200
1000
800
600
400
200
0.01
100
0.1
10
0
8
7
6
5
4
3
2
1
0
1
-40
-40
0
I
LOAD
-20
20
-20
= I
LIMIT
OFF-SUPPLY CURRENT
40
vs. TEMPERATURE
vs. TEMPERATURE
0
0
I
TEMPERATURE (°C)
TURN-OFF TIME
TEMPERATURE (°C)
OUT
vs. I
I
/I
60
20
LIMIT
20
SET
LIMIT
(%)
RATIO
80
40
40
100
60
60
V
V
120
IN
IN
80
80
= 5V
= 3V
140
100
100