Product Information

MCZ34670EG

MCZ34670EG electronic component of NXP

Datasheet
Hot Swap Voltage Controllers POWER OVER ETHERNET
Manufacturer: NXP
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
N/A

Obsolete

 More Buying Options & Price Grid(s)

Availability Price Quantity
0 - Warehouse 1

MOQ : 1
Multiples : 1
1 : USD 5.643
10 : USD 3.672
100 : USD 3.3912
250 : USD 3.2184
500 : USD 3.1212
1000 : USD 2.7648
2500 : USD 2.7648
5000 : USD 2.7108
10000 : USD 2.5488
N/A

Obsolete

Read More Specifications

     
Manufacturer
Product Category
RoHS - XON
Icon ROHS
Product
Supply Voltage - Max
Supply Voltage - Min
Supply Current
Operating Supply Current
Operating Temperature Range
Power Dissipation
Minimum Operating Temperature
Maximum Operating Temperature
Mounting Style
Package / Case
Qualification
Packaging
Pd - Power Dissipation
Series
Brand
Factory Pack Quantity :
Cnhts
Hts Code
Mxhts
Product Type
Subcategory
Taric
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Additional Infomation About Product

Document Number: MC34670 Freescale Semiconductor Rev. 3.0, 12/2006 Advance Information IEEE 802.3af PD With Current 34670 Mode Switching Regulator The 34670 combines a Power Interface Port for IEEE 802.3af Powered Devices (PD) and a high performance current mode POWER OVER ETHERNET switching regulator. It allows a designer to build PDs with a minimum of external components by means of integrating the required IEEE 802.3af functions and all functions necessary to build a high efficiency DC/DC converter. On the PD side the 34670 fully supports the IEEE802.3af standard and provides complete signature and power classification functions. It controls inrush current limiting and incorporates adjustable undervoltage lockout. The switching regulator provides excellent line and load regulation. It drives an external Power MOSFET with sense EG SUFFIX (PB-FREE) resistor. 98ASB42343B 20-PIN SOICW Features Integrated IEEE 802.3af Compliant Interface ORDERING INFORMATION Signature Detection and Classification Functionality Integrated Isolation Switch Temperature Device Package Programmable Inrush Current Limiting Control Range (T ) A Adjustable Undervoltage Lockout MCZ34670EG/R2 -40C to 85C 20 SOICW Input Voltage Range up to 80 V Current Mode Control Adjustable Oscillator Leading Edge Blanking Internal Slope Compensation Circuitry Input Overvoltage Protection 50% Duty Cycle Limitation Pb-Free Packaging Designated by Suffix Code EG RJ-45 PSE HUB OR SWITCH ETHERNET APPLIANCE (PD) TX RX PHY PHY RX TX HOST PSE POWER HOST CONTROLLER CONTROLLER PROCESSOR CAT 5 SWITCH -48V CABLE 48 V POWER GND 34670 SUPPLY PD POWER CONTROLLER ISOLATION SWITCH -48V DC/DC Figure 1. 34670 Simplified Application Diagram * This document contains certain information on a new product. Specifications and information herein are subject to change without notice. Freescale Semiconductor, Inc., 2006. All rights reserved.INTERNAL BLOCK DIAGRAM INTERNAL BLOCK DIAGRAM FREQ HIGH VOLTAGE VPWR VDD REGULATOR 2.5V 8V INTERNAL 5.7V 0.8R SUPPLY R S R POR OSC Q GATE RCLA EN R 3.5V UV or UVLO UNDERVOLTAGE UV or UVLO 5A LOCKOUT + OVERVOLTAGE DETECTION SS 0.3V S CONTROL LOGIC Q 4.5V R 5k PWM COMPARATOR 0.6 - 2.6V CS BLANK 0.4V 1.4V 0.6V + 3 CURRENT ILIM SLOPE GATE LIMITATION COMP COMP DRIVE FB UVLO TEMP 1.2V SENSOR REG R SENSE + DETECT 250mV VIN VOUT RESET Figure 2. 34670 Simplified Internal Block Diagram 34670 Analog Integrated Circuit Device Data 2 Freescale Semiconductor

HS Compliance

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:

NXP may also be referenced as

FR9
Freescale
FREESCALE SEMI
Freescale Semicon
FREESCALE SEMICONDUC
Freescale Semiconductor
Freescale Semiconductor - NXP
NXP
NXP Freescale
NXP (FREESCALE)
NXP / Freescale
NXP SEMI
NXP Semicon
NXP SEMICONDUCTOR
NXP Semiconductors
NXP USA Inc.
PH3
PHI

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