MAX4923 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
fabricante
MAX4923 Datasheet PDF : 7 Pages
| |||
Overvoltage Protectors with
External pFET
Typical Operating Characteristics
(VIN = +5V for MAX4923/MAX4924/MAX4925, VIN = +4V for MAX4926 (pFET = Si6991DQ), TA = +25°C, unless otherwise noted.)
SUPPLY CURRENT vs. INPUT VOLTAGE
100
GATE VOLTAGE vs. INPUT VOLTAGE
10
MAX4925
GATE-OUTPUT LOW VOLTAGE
vs. GATE SINK CURRENT
250
80
8
MAX4925
60
6
200
VCC = +2.5V
150
40
MAX4926
4
20
2
0
0
0 4 8 12 16 20 24 28
2
INPUT VOLTAGE (V)
4
6
INPUT VOLTAGE (V)
100
VCC = +3.3V
50
VCC = +5.5V
0
8
0
200 400 600 800 1000
GATE SINK CURRENT (μA)
SUPPLY CURRENT vs. TEMPERATURE
15
MAX4926
VCC = +4V
14
5V/div
13
5V/div
12
5V/div
11
10
-40 -15
10
35
60
85
TEMPERATURE (°C)
POWER-UP RESPONSE
MAX4923 toc05
VIN
5V/div
5V/div
20.0 ms
1A/div
VGATE
5V/div
VFLAG
POWER-UP RESPONSE
MAX4923 toc06
VIN
VOUT
IIN
10.0ms
VFLAG
5V/div
5V/div
10mA/div
OVERVOLTAGE RESPONSE
MAX4923 toc07
VIN
VGATE
IGATE
5V/div
VFLAG
20.0μs
POWER-UP OVERVOLTAGE RESPONSE
MAX4923 toc08
VIN
5V/div
VGATE
5V/div
5V/div
10.0ms
VFLAG
_______________________________________________________________________________________ 3
Share Link: 