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MC44603AP

MC44603AP
型号:MC44603AP
品牌:MOT MOT
批号:13+
封装:DIP16
原价:10
数量:85230
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订购电话:86755-83294757
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备注:100% brand new and original (100% 全新原装)
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详细描述

MC44603AP - Enhanced Mixed Frequency Mode GreenLine TM PWM Controller:Fixed Frequency, Variable Frequency,Standby Mode

The MC44603A is an enhanced high performance controller that is

specifically designed for off–line and dc–to–dc converter applications. This

device has the unique ability of automatically changing operating modes if

the converter output is overloaded, unloaded, or shorted, offering the

designer additional protection for increased system reliability. The

MC44603A has several distinguishing features when compared to

conventional SMPS controllers. These features consist of a foldback facility

for overload protection, a standby mode when the converter output is slightly

loaded, a demagnetization detection for reduced switching stresses on

transistor and diodes, and a high current totem pole output ideally suited for

driving a power MOSFET. It can also be used for driving a bipolar transistor

in low power converters (< 150 W). It is optimized to operate in

discontinuous mode but can also operate in continuous mode. Its advanced

design allows use in current mode or voltage mode control applications.

Current or Voltage Mode Controller

• Operation up to 250 kHz Output Switching Frequency

• Inherent Feed Forward Compensation

• Latching PWM for Cycle–by–Cycle Current Limiting

• Oscillator with Precise Frequency Control

High Flexibility

• Externally Programmable Reference Current

• Secondary or Primary Sensing

• Synchronization Facility

• High Current Totem Pole Output

• Undervoltage Lockout with Hysteresis

Safety/Protection Features

• Overvoltage Protection Against Open Current and Open Voltage Loop

• Protection Against Short Circuit on Oscillator Pin

• Fully Programmable Foldback

• Soft–Start Feature

• Accurate Maximum Duty Cycle Setting

• Demagnetization (Zero Current Detection) Protection

• Internally Trimmed Reference

• Enhanced Output Drive

GreenLine Controller: Low Power Consumption in Standby Mode

• Low Startup and Operating Current

• Fully Programmable Standby Mode

• Controlled Frequency Reduction in Standby Mode

• Low dV/dT for Low EMI Radiations

GreenLine is a trademark of Motorola, Inc.

 

 

由于客户采购批量与样品的价格不同,网上无法统一注明,请您把采购型号通过邮件或客服QQ:2850151585 发给我们,也可以拨打明佳达国内销售部电话:0755-83957301,由客服人员为您报价;有时元件厂商价格稍许变动,本公司未能及时调整,如您觉得售价稍高,请与我们说明并适当议价,感谢支持!

 

 

 

MJD is a corporation which engaged in agency electronic components. MJD Through seventeen years unrimitting efforts,  aspire to provide our customers with world-leading products and service. Now already became a one of the most famous electronic components distributor in China.

 

 

 

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 PAYMENTS:

We support the following payment methods:

 1. Paypal

 2. Western Union 

 3. Bank Wire (TT)

 4. MoneyGram

Shipping:

1. MJD needs about 3 BUSINESS DAY to handle the order after received payment. after receiving your payment. Otherwise, we will state it in the invoice in advance.

2. MJD can Ship via your shipping account (DHL / FEDEX / UPS / TNT or others) as your instruction. Or Ship via our shipping account (We have a very good relationship with DHL and FEDEX with very special freight).

 

 

3. Regarding the declared value on the package for customs clearance, we are pleased to follow

 

 

 

your wishes, just feel free to inform us when ordering.

4. Any import fees or charges are the buyer's responsibility.

REFUNDS & RETURN:

We offer a warranty on all items that we sold. Item will be tested before ship,it will be in good condition,if there are some problems with the item,feel free to contact us.Please Email us to notify a defective item. Unless otherwise specified, this item comes with 30 days warranty from the shipment date.

 

 

You must contact us before returning any product. All returns must be made within 30 days from this shipment date.Return must be in new condition(the SAME CONDITION as it was sent to you)

 

 

 

Because of wholesale price is different from sample price, our website can not state. Please send your required part number via email Sales@hkmjd.com or skype id mjdccm898 to us.  As well as welcome you call us : 0755-83957301  We will send offer for you;  Sometimes manufacturer's price is unstable, so we don't adjust price in time. if you feel price is a little high for you, just feel free to contact us for consultation. Thank you for your support ! 

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