MAX4792 查看數據表（PDF） - Maxim Integrated
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MAX4792 Datasheet PDF : 11 Pages
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200mA/250mA/300mA Current-Limit Switches
Typical Operating Characteristics (continued)
(VIN = 3.3V, TA = +25°C, unless otherwise noted.)
CURRENT-LIMIT RESPONSE
(OUT SHORTED TO GND)
MAX4789 toc13
CIN = 1μF
COUT = 1μF
VIN
2V/div
SWITCH TURN-ON TIME RESPONSE
MAX4789 toc14
VON
1V/div
VOUT
2V/div
40μs/div
IOUT
5A/div
SWITCH TURN-OFF TIME RESPONSE
MAX4789 toc15
VON
2V/div
IOUT
10mA/div
100μs/div
FLAG-BLANKING RESPONSE
MAX4789 toc16
VIN
2V/div
VON
2V/div
IOUT
10mA/div
FLAG
2V/div
200ns/div
4ms/div
IOUT
100mA/div
Pin Description
TDFN-EP
MAX4789
MAX4791
MAX4793
PIN
TDFN-EP
MAX4790
MAX4792
MAX4794
5-SOT23 4-SOT143
MAX4789 MAX4789–
MAX4791 MAX4794
MAX4793
NAME
1
—
4
—
FLAG
2
2
2
2
GND
3
3
3
3
ON
4
1, 4
—
—
N.C.
5
5
1
4
IN
6
6
5
1
OUT
—
—
EP
FUNCTION
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.
Ground
Active-High Switch On Input. A logic high turns the switch on.
No Connection. Not internally connected.
Input. Bypass IN with a 0.1µF ceramic capacitor to ground.
Switch Output. Bypass OUT with a 0.1µF ceramic capacitor to ground.
Exposed paddle. Connect EP to a large ground plane to maximize
thermal performance. EP is not intended as an electrical connection
point. (TDFN Package only.)
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