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MC34700EP

廠商:
Freescale
類別:
開(kāi)關(guān)調(diào)節(jié)器
包裝:
-
封裝:
QFN-EP 32 5.0SQ*1.0P0.5
無(wú)鉛情況/ROHS:
無(wú)鉛
描述:
9-18V 4 CH MULTI-PURPOSE P/S

我要詢價(jià)我要收藏

  • 參數(shù)
  • 描述
  • 文檔
參數(shù) 數(shù)值
2nd Level Interconnect e4
Diagnostics Status Flag
Interface and Input Control Parallel
Life Cycle Description (code) PRODUCT STABLE GROWTH/MATURITY
Material Composition Declaration (MCD) Download MCD Report
Micron Size (μm) .27
Minimum Package Quantity (MPQ) 490
MPQ Container TRAY
Number of Regulators-Boost Switching 0
Number of Regulators-Buck Switching 3
Pin/Lead/Ball Count 32
POQ Container BOX
Regulator - Output Current (A) 0.4 / 1.5 / 1.25 / 1.25
RoHS Certificate of Analysis (CoA) Contact Us
Sample Exception Availability Y
Supply Voltage (Min-Max) (V) 1.5 to 18
Leadtime (weeks) 16
Num. of Linear/LDO Regulators 1
Ambient Operating Temperature (Min-Max) (°C) -40 to 85
Application/Qualification Tier COMMERCIAL
Export Control Classification Number (US) EAR99
Floor Life 168 HOURS
Halogen Free Yes
Material Type Tested Packaged Device
Maximum Time at Peak Temperature (s) 40
Moisture Sensitivity Level (MSL) 3
Mounting Style Surface Mount
Number of Reflow Cycles 3
Package Material Plastic
REACH SVHC Freescale REACH Statement
Peak Package Body Temperature (PPT)(°C) 260
Harmonized Tariff (US) Disclaimer 8542.39.0000
Device Function Switching Regulators / Linear Regulators
Status Active
Protection Over Current / Undervoltage Detect / Short Circuit / Overvoltage
Package Thickness (nominal) (mm) 1.000
Additional Features - Power Management Power Sequencing / Disable DC - DC
Package Description and Mechanical Drawing QFN-EP 32 5.0SQ*1.0P0.5
Description 9-18V 4 CH MULTI-PURPOSE P/S
Part Number MC34700EP
Device Weight (g) .05865
Package Length (nominal) (mm) 5.000
Package Width (nominal) (mm) 5.000
Preferred Order Quantity (POQ) 2450
Tape & Reel No
UL94 (plastics flammability test) V0: burning stops within 10 seconds on a vertical specimen; no drips allowed
Budgetary Price($US) 10000 @ $0.68 each
Regulator - Output Voltage 3.6 ADJ down / 5.25 ADJ down / 3.6 ADJ down / 3.6 ADJ down

The 34700 is a compact, high-efficiency power supply with on-chip power MOSFETs that features three step-down switching regulators and one low dropout linear regulator. The switching regulators utilize voltage-mode control with external compensation, allowing flexibility in optimizing the performance of the 34700 for a given application.

Channel 1 of the 34700 can operate from an input voltage of 9V to 18 V, while Channels 2, 3, and 4, operate from a voltage input of 1.5 V to 6 V. Channels 2 and 3 can derive their input supplies from the output of Channel 1 or from an external bias voltage, while Channel 4 can derive its input supply from any of the outputs of Channels 1 through 3 or from an external bias voltage.

The 34700 is ideal for space-constrained applications where multiple power rails are required and simplicity of design and implementation of the power supply is necessary. Overvoltage, undervoltage, overcurrent, and overtemperature protection features ensure robust and reliable operation. Fixed switching frequency, internal soft-start, and internal power MOSFETs enable rapid power supply design and development.


Features

  • Three switching regulators: 2 synchronous and 1 non-synchronous
  • One Low Dropout Linear Regulator
  • Output Current Capability:
    - 1.5 A continuous on Channel 1
    - 1.25 A continuous on Channels 2 and 3
    - 400 mA continuous on Channel 4
  • Internal Power MOSFETs on All Channels
  • Voltage Feedforward on Channel 1
  • ±1.5% Output Voltage Accuracy on All Channels
  • Cycle-by-Cycle Current Limit and Short-Circuit Protection
  • Fixed 800 kHz Switching Frequency
  • Internal Soft-Start
  • Overvoltage and Undervoltage Protection
  • Overtemperature Protection
  • Open-Drain Power-Good Output Signal
  • Separate Active-High Enable Input for Each Channel
  • This product is included in Freescale’s , with assured supply for a minimum of 10 years after launch
    •   
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    • DVD Players
    • Fax Machines
    • Laser Printers
    • Set Top Boxes
    • Small Appliances
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    • Telecom Line Cards
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    • Cable Modems

框圖

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Users Guides
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Data Sheets
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Fact Sheets
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Application Notes
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