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MAX5988BETP+

MAX5988BETP+ electronic component of Analog Devices

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Hot Swap Voltage Controllers Powered device (PD) with integrated regulator for IEEE802.3at/af application

Manufacturer: Analog Devices
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MAX5988BETP+
Analog Devices

1 : USD 12.2341
10 : USD 10.647
25 : USD 10.1556
75 : USD 8.4686
300 : USD 8.0931
525 : USD 7.3782
1050 : USD 7.1359
2550 : USD 6.8936
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RoHS - XON
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Current Limit
Supply Voltage - Max
Supply Voltage - Min
Number of Channels
Supply Current
Operating Supply Current
Operating Temperature Range
Power Dissipation
Minimum Operating Temperature
Maximum Operating Temperature
Mounting Style
Package / Case
Packaging
Pd - Power Dissipation
Series
Brand
Input / Supply Voltage - Max
Input / Supply Voltage - Min
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EVALUATION KIT AVAILABLE MAX5988A/MAX5988B IEEE 802.3af-Compliant, High-Efficiency, Class 1/Class 2, Powered Devices with Integrated DC-DC Converter General Description Benefits and Features The MAX5988A/MAX5988B provide a complete power- High Integration Saves Space and BOM Cost supply solution as IEEE 802.3af-compliant Class 1/ Efficient, Integrated DC-DC Converter (with Class 2 Powered Devices (PDs) in a Power-over-Ethernet Integrated Switches) Built-In Output-Voltage Monitoring (PoE) system. The devices integrate the PD interface with an efficient DC-DC converter, offering a low external part Protects Against Overload, Output Short Circuit, Output Overvoltage, and Overtemperature count PD solution. The devices also include a low-drop- out regulator, MPS, sleep, and ultra-low-power modes. Integrated TVS Diode Withstands Cable Discharge Event (CDE) The PD interface provides a detection signature and Internal LDO Regulator with Up to 100mA Load a Class 1/Class 2 classification signature with a single external resistor. The PD interface also provides an isola- Application-Specific Features Speed Design IEEE 802.3af Compliant tion power MOSFET, a 60mA (max) inrush current limit, PoE Class 1/Class 2 Classification Set with Single and a 321mA (typ) operating current limit. Resistor The integrated step-down DC-DC converter uses a peak Intelligent Maintain Power Signature (MPS) current-mode control scheme and provides an easy-to- Simplified Wall Adapter Interface implement architecture with a fast transient response. Pass 2kV, 200m CAT-6 Cable Discharge Event The step-down converter operates in a wide input volt- High Efficiency During Light Loads Reduces Power age range from 8.8V to 60V and supports up to 6.49W of Consumption input power at 1.3A load. The DC-DC converter operates Sleep and Ultra-Low-Power Mode at a fixed 215kHz switching frequency, with an efficiency- Frequency Foldback for High-Efficiency Light-Load boosting frequency foldback that reduces the switching Operation frequency by half at light loads. Back-Bias Capability to Optimize the Efficiency The devices feature an input undervoltage-lockout Robust Performance (UVLO) with wide hysteresis and long deglitch time to 8.8V to 60V Wide Input Voltage Range compensate for twisted-pair cable resistive drop and to Hiccup-Mode Runaway Current Limit assure glitch-free transition during power-on/-off condi- 49mA (typ) Inrush Current Limit tions. The devices also feature overtemperature shut- Open-Drain RESET Output down, short-circuit protection, output overvoltage protec- tion, and hiccup current limit for enhanced performance Easy to Design With and reliability. 3.0V to 14V Programmable Output Voltage Range Internal Compensation All devices are available in a 20-pin, 4mm x 4mm, TQFN Fixed 215kHz Switching Frequency power package and operate over the -40C to +85C Fixed 3.3V or Adjustable Output Voltage through temperature range. an External Resistive Divider (LDO) Applications IEEE 802.3af-Powered Devices Ordering Information/Selector Guide appears at end of data IP Phones sheet. Wireless Access Nodes IP Security Cameras WiMAX Base Stations IEEE is a registered service mark of the Institute of Electrical and Electronics Engineers, Inc. WiMAX is a registered certification mark and registered service mark of WiMAX Forum. 19-6476 Rev 3 1/15MAX5988A/MAX5988B IEEE 802.3af-Compliant, High-Efficiency, Class 1/Class 2, Powered Devices with Integrated DC-DC Converter Absolute Maximum Ratings (All voltages referenced to GND, unless otherwise noted.) VDRV to V ............................................ -0.3V to (V + 0.3V) DD DD V to GND ..........................-0.3V to +70V (internally clamped) PGND to GND ......................................................-0.3V to +0.3V DD LX Total RMS Current ...........................................................1.6A (100V, 100ms, R = 3.3k) (Note 1) TEST Continuous Power Dissipation (T = + 70NC) V , WAD, RREF to GND ........................ -0.3V to (V + 0.3V) A CC DD TQFN (derate 28.6mW/NC above +70NC) ..............2285.7mW AUX, LDO IN, LED to GND .................................... -0.3V to 16V Operating Temperature Range .......................... -40NC to +85NC LDO OUT to GND .............................. -0.3V to (LDO IN + 0.3V) Junction Temperature .....................................................+150NC LDO FB to GND ......................................................-0.3V to +6V Storage Temperature Range ............................ -65NC to +150NC LX to GND ................................................ -0.3V to (V + 0.3V) CC Lead Temperature (soldering, 10s) ................................+300NC LDO OUT, VDRV, FB, RESET, WK, SL, ULP, MPS, CLASS2 Soldering Temperature (reflow) ......................................+260NC to GND ..............................................................-0.3V to +6V Note 1: See Figure 1, Test Circuit. Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, and functional opera- tion of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Package Thermal Characteristics (Note 2) Junction-to-Ambient Thermal Resistance (q ) ..............35C/W JA Junction-to-Case Thermal Resistance (q ) ..................2.7C/W JC Note 2: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial. Electrical Characteristics (V = 48V, R = 24.9k, LED, V , SL, ULP, WK, RESET, LDO OUT unconnected, WAD = LDO EN = LDO IN = PGND = GND, DD SIG CC C1 = 68nF, C2 = 10F, C3 = 1F (see Figure 3), V = V = 0V, LX unconnected, CLASS2 = 0V, MPS = 0V. All voltages are refer- FB AUX enced to GND, unless otherwise noted. T = T = -40C to +85C, unless otherwise noted. Typical values are at T = +25C.) (Note 3) A J A PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS POWER DEVICE (PD) INTERFACE DETECTION MODE Input Offset Current I V = 1.4V to 10.1V (Note 4) 8 A OFFSET VDD Effective Differential Input V = 1.4V to 10.1V with 1V step, VDD dR 23.95 25.5 k Resistance (Note 5) CLASSIFICATION MODE Classification Enable Threshold V V rising 10.2 11.42 12.5 V TH,CLS,EN DD Classification Disable Threshold V V rising 22 23 23.8 V TH,CLS,DIS DD Classification Stability Time 2 ms CLASS2 = GND 9.12 10.5 11.88 V = 12.6V DD Classification Current I mA CLASS to 20V CLASS2 = VDRV 16.1 18 20.9 POWER MODE V Supply Voltage Range V 60 V DD DD V Supply Current I V = 60V 3.3 4.5 mA DD DD DD Maxim Integrated 2 www.maximintegrated.com

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:
AD4
ANALOG DEVICES
Analog Devices Hittite
ANALOG DEVICES (LINEAR TECHNOLOGY)
ANALOG DEVICES (MAXIM INTEGRATED)
ANALOG DEVICES (TRINAMIC)
Analog Devices / Hittite
Analog Devices / Linear Technology
Analog Devices Inc
Analog Devices Inc.
Analog Devices, Inc.
DA4
Dallas
DALLAS / MAXIM
Dallas Semiconductor (VA)
LINEAR
LINEAR TECH
Linear Technology
Linear Technology (part of ADI)
LT
LT4
MAXIM
Maxim Integrated
MAXIM INTEGRATED / ANALOG DEVICES
Maxim Integrated Products
MAXIM-DALLAS
MX4
Technology
Trinamic
TRINAMIC / ANALOG DEVICES
Trinamic Motion Control
Trinamic Motion Control GmbH

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