MAX6746KA46+T Maxim Integrated, MAX6746KA46+T Datasheet - Page 20

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MAX6746KA46+T

Manufacturer Part Number
MAX6746KA46+T
Description
Supervisory Circuits
Manufacturer
Maxim Integrated
Series
MAX6746, MAX6747, MAX6748, MAX6749, MAX6750, MAX6751, MAX6752, MAX6753r
Datasheet

Specifications of MAX6746KA46+T

Number Of Voltages Monitored
1
Monitored Voltage
1.575 V to 5 V
Undervoltage Threshold
4.533 V
Overvoltage Threshold
4.718 V
Output Type
Active Low, Push-Pull
Manual Reset
Resettable
Watchdog
Watchdog
Battery Backup Switching
No Backup
Power-up Reset Delay (typ)
9.487 ms
Supply Voltage - Max
5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Package / Case
SOT-23
Chip Enable Signals
No
Maximum Power Dissipation
714 mW
Minimum Operating Temperature
- 40 C
Power Fail Detection
No
Supply Current (typ)
5 uA
Supply Voltage - Min
1 V
Single-Port, 40W, IEEE 802.3af/802.3at PSE
Controller with Integrated MOSFET
Figure 7. Typical Operating Circuit 2 (AC Load Removal Detection, Internal PWM Enabled for LED Indication, and Class 5
Detection Enabled)
Figure 8. Typical Operating Circuit 3 (IEEE 802.3at Compliant, Minimal Application Circuit with DC Load Removal Detection and No
LED Indication)
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-54V
47µF
100V
-54V
1N4448
0.1µF
100V
47µF
100V
1nF
LED
10mH
5.1kI
0.1µF
V
V
EN
LED
2-EVENT/
LSCEN
LEGACY
MIDSPAN
OSC
1nF
0.1µF
100V
EE
EE_DIG
MAX5984A/B/D
LED
EN
V
V
LEGACY
MIDSPAN
OSC
EE
EE_DIG
AGND
MAX5984C
AGND
OUTP
ILIM1
ILIM2
SMJ58A
OUT
DET
PWMEN
OUTP
ILIM1
ILIM2
SMJ58A
OUT
DET
1N4448
0.1µF
100V
S1B
1kI
1kI
1N4448
0.1µF
100V
1kI
2.2MI
PSE OUTPUT
2.2MI
0.47FF
100V
-54V
PSE OUTPUT

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