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MAX668EUB+

DC/DC Controller, Constant Frequency, Current Mode, 1.8V to 28V, 1 Output, Boost, 575kHz, µMAX-10

MAXIM INTEGRATED / ANALOG DEVICES MAX668EUB+
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製造商產品編號:
MAX668EUB+
訂購代碼:
2519474
技術資料表:
MAX668EUB+   Datasheet
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產品總覽

The MAX668EUB+ is a constant-frequency, pulse-width modulating (PWM), current-mode DC-DC Controller is designed for a wide range of DC-DC conversion applications including step-up, SEPIC, flyback and isolated output configurations. Power levels of 20W or more can be controlled with conversion efficiencies of over 90%. The 1.8 to 28V input voltage range supports a wide range of battery and AC-powered inputs. An advanced BiCMOS design features low operating current (220µA), adjustable operating frequency (100 to 500kHz), soft-start and a SYNC input allowing the MAX668 oscillator to be locked to an external clock. DC-DC conversion efficiency is optimized with a low 100mV current-sense voltage as well as with Maxims proprietary Idle Mode™ control scheme. The controller operates in PWM mode at medium and heavy loads for lowest noise and optimum efficiency, then pulses only as needed (with reduced inductor current) to reduce operating current and maximize efficiency under light loads.
  • Current-mode PWM and idle mode operation
  • Efficiency over 90%
  • Adjustable 100kHz to 500kHz oscillator or SYNC input
  • 220µA Quiescent current
  • Logic-level shutdown
  • Soft-start

應用

Audio, Communications & Networking, Industrial

警告

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

產品訊息

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:
1.8V

:
28V

:
1 Output

:
94%

:
µMAX

:
10Pins

:
575kHz

:
Boost (Step Up)

:
-40°C

:
85°C



:
MSL 1 - Unlimited

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技術文件 (2)

CAD 下載

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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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320 英國 有庫存,可在 3-4 個工作日內發貨

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NT$207.71

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