MAX4787 Maxim, MAX4787 Datasheet - Page 5
MAX4787
Manufacturer Part Number
MAX4787
Description
The MAX4785-MAX4788 family of switches feature internal
current limiting to prevent host devices from being
damaged due to faulty load conditions
Manufacturer
Maxim
Datasheet
1.MAX4785.pdf
(10 pages)
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(V
IN
SC70
= 3.3V, T
—
1
2
3
4
PIN
A
= +25°C, unless otherwise noted.)
SC70
1
2
3
4
5
_______________________________________________________________________________________
SWITCH TURN-OFF TIME RESPONSE
CURRENT-LIMIT RESPONSE
NAME
FLAG
GND
OUT
(OUT SHORTED TO GND)
ON
50mA/100mA Current-Limit Switches
IN
100ns/div
40µs/div
Switch Output. Bypass with a 0.1µF capacitor to ground.
Ground
Fault Output. This open-drain output goes low when the device stays in forward or reverse
current limit for more than the blanking time period. FLAG is high impedance when a fault is
not present or when ON is low.
Active-High Switch-On Input. A logic high turns the switch on.
Input. Bypass with a 0.1µF ceramic capacitor to ground.
C
V
OUT
Typical Operating Characteristics (continued)
C
IN
IN
MAX4785 toc13
MAX4785 toc15
= 3.3V
= 1µF
= 1µF
V
2V/div
V
2V/div
I
2A/div
V
2V/div
I
10mA/div
OUT
OUT
IN
OUT
ON
FUNCTION
SWITCH TURN-ON TIME RESPONSE
V
IN
= 3.3V
FLAG-BLANKING RESPONSE
100µs/div
4ms/div
Pin Description
MAX4785 toc14
MAX4785 toc16
V
I
10mA/div
V
2V/div
V
2V/div
FLAG
2V/div
I
100mA/div
OUT
OUT
ON
IN
ON
5