Datasheet

MAX4785–MAX4788
50mA/100mA Current-Limit Switches
4 _______________________________________________________________________________________
NORMALIZED ON-RESISTANCE
vs. TEMPERATURE
MAX4785-07
TEMPERATURE (°C)
NORMALIZED R
ON
603510-15
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0
-40 85
V
CC
= 3.3V
OUTPUT CURRENT
vs. OUTPUT VOLTAGE
MAX4785 toc08
V
IN
- V
OUT
(V)
OUTPUT CURRENT (mA)
3.02.72.42.11.81.51.20.90.60.3
50
100
150
200
250
300
0
0 3.3
MAX4787/MAX4788
MAX4785/MAX4786
SWITCH TURN-ON/OFF TIMES
vs. TEMPERATURE
MAX4785 toc09
TEMPERATURE (°C)
TURN-ON/OFF TIMES (µs)
603510-15
0.01
0.1
1
10
100
0.001
-40 85
V
CC
= 3.3V
I
LOAD
= 10mA
ON
OFF
V
CC
= 5V
FLAG-BLANKING TIMEOUT
vs. TEMPERATURE
MAX4785 toc10
TEMPERATURE (°C)
FLAG-BLANKING TIME (ms)
603510-15
25
30
35
40
45
50
20
-40 85
CURRENT-LIMIT RESPONSE
MAX4785 toc11
40µs/div
V
ON
2V/div
I
OUT
100mA/div
V
IN
2V/div
C
OUT
= 1
µ
F
V
IN
= 3.3V
C
IN
= 1
µ
F
CURRENT-LIMIT RESPONSE
MAX4785 toc12
20µs/div
I
OUT
100mA/div
V
IN =
V
ON
1V/div
C
OUT
= 1µF
V
IN =
V
ON
C
IN
= 1µF
Typical Operating Characteristics (continued)
(V
IN
= 3.3V, T
A
= +25°C, unless otherwise noted.)