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MAX4865LEUT Datasheet(PDF) 3 Page - Maxim Integrated Products

Part # MAX4865LEUT
Description  Overvoltage Protection Controllers with Reverse Polarity Protection
PDF  11 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX4865LEUT Datasheet(HTML) 3 Page - Maxim Integrated Products

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Overvoltage Protection Controllers
with Reverse Polarity Protection
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VIN = +5V (MAX4864L/MAX4865L/MAX4866L), VIN = +4V (MAX4867), TA = -40°C to +85°C, CGATEN = 500pF, unless otherwise
noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
EN Input Leakage Current
ILKG
EN = GND or +5.5V
1
µA
TIMING
Startup Delay
tSTART
VIN > UVLO to VGATEN > 0.3V, Figure 1
20
50
80
ms
FLAG Blanking Time
tBLANK
VGATEN > 0.3V to VFLAG < 0.3V, Figure 1
20
50
80
ms
GATEN Turn-On Time
tGON
CGATEN = 500pF, VGATEN = 0.3V to +8V
(MAX4864L/MAX4865L/MAX4866L)
VGATEN = 0.3V to +7V (MAX4867), Figure 1
10
ms
GATEN Turn-Off Time
tGOFF
VIN rising at 3V/µs from +5V to +8V
(MAX4864L/MAX4865L/MAX4866L),
or from +4V to +7V (MAX4867)
VGATEN = 0.3V, CGATEN = 500pF, Figure 2
720
µs
FLAG Assertion Delay
tFLAG
VIN rising at 3V/µs from 5V to 8V
(MAX4864L/MAX4865L/MAX4866L),
or from +4V to +7V (MAX4867), VFLAG = 0.3V,
Figure 2
3.5
µs
Initial Overvoltage Fault Delay
tOVP
VIN rising at 3V/µs from 0V to +9V, time from
VIN = 5V to IGATEN = 80% of IPD (GATEN pulldown
current), Figure 3
1.5
µs
Disable Time
tDIS
V
EN = +2.4V, VGATEN = 0.3V, Figure 4
2
µs
Note 1: All parts are 100% tested at +25°C. Electrical limits across the full temperature range are guaranteed by design and correlation.
VGATEN
VEN
+0.3V
+2.4V
tDIS
Figure 4. Disable Timing Diagram
VIN
VUVLO
tGON
tSTART
VGATEN
VFLAG
tBLANK
+0.3V
+8V (+7V)*
*MAX4867
+5V
+0.3V
Figure 1. Startup Timing Diagram
VIN
VOVLO
VGATEN
VFLAG
tFLAG
tGOFF
+0.3V
+0.3V
+5V
Figure 2. Shutdown Timing Diagram
VIN
VOVLO
tOVP
IGATEN
80%
0V
Figure 3. Power-Up Overvoltage Timing Diagram



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