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All Products > Semiconductors > Power Management ICs > Hot Swap Voltage Controllers

Maxim Integrated MAX5981A / MAX5981B PD Interface Controllers

Maxim Integrated MAX5981A / MAX5981B IEEE® 802.3af/at-Compliant, Powered Device (PD) Interface Controllers with Integrated Power MOSFET provide a complete interface for a PD to comply with the IEEE 802.3af/at standard in a power-over-ethernet (PoE) system. MAX5981 PD Interface Controllers provide the PD with a detection signature, a classification signature, and an integrated isolation power switch with inrush current control. MAX5981 supports a 2-Event classification method as specified in the IEEE 802.3at standard and provides a signal to indicate when probed by a Type 2 power sourcing equipment (PSE). This Maxim Integrated device detects the presence of a wall adapter power source connection and allows a smooth switch over from the PoE power source to the wall power adapter. Sleep mode and ultra-low power sleep mode features provide low power consumption while supporting Maintain Power Signature (MPS). MAX5891 PD Interface Controllers also feature an LED driver that is automatically activated during sleep mode. During sleep mode, the LED driver sources a periodic current (ILED) at 250Hz (MAX5981A) or 15.625kHz (MAX5981B).
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Category   Semiconductors >  Power Management ICs >  Hot Swap Voltage Controllers

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Maxim Integrated Hot Swap Voltage Controllers IEEE 802.3af/at PDIC Controller
Page 569

Data Sheet
495
In Stock
Alternative Packaging
1: $5.85
25: $4.05
50: $3.70
100: $2.73
250: View



Min.: 1
Mult.: 1
PoE / LAN Solutions 60 V 31 V 0.27 mA - 40 C to + 85 C 2.29 W SMD/SMT TQFN-16 EP Tube
Maxim Integrated Hot Swap Voltage Controllers IEEE 802.3af/at PDIC Controller
Page 569

Data Sheet
639
In Stock
Alternative Packaging
1: $6.52
25: $4.06
50: $3.11
100: $3.07
250: View



Min.: 1
Mult.: 1
PoE / LAN Solutions 60 V 31 V 0.27 mA - 40 C to + 85 C 2.29 W SMD/SMT TQFN-16 EP Tube
700-MAX5981AETE+T


To purchase full reel, order in multiples of 2500:
Maxim Integrated Hot Swap Voltage Controllers IEEE 802.3af/at PDIC Controller
Data Sheet 10,000
Factory Stock Available
More Info Available
Alternative Packaging
Cut Tape
1,945: $2.79
Reel
2,500: $2.66

MouseReel Available


Min.: 1,945
Mult.: 1
Reel: 2,500
SMD/SMT Reel
700-MAX5981BETE+T


To purchase full reel, order in multiples of 2500:
Maxim Integrated Hot Swap Voltage Controllers IEEE 802.3af/at PDIC Controller
Data Sheet Non-Stocked Lead-Time 17 Weeks
Alternative Packaging
Cut Tape
1,945: $3.10
Reel
2,500: $2.95

MouseReel Available


Min.: 1,945
Mult.: 1
Reel: 2,500
SMD/SMT Reel
Compare up to 20 parts.
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