What is the Additional Feature ?

Name: MK1491E-14R
Brand: Renesas Electronics America Inc
SKU: MK1491E-14R
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Renesas Electronics America Inc MK1491E-14R

Part No.:: MK1491E-14R

Manufacturer:: Renesas Electronics America Inc

Package:: 28-SSOP (0.154, 3.90mm Width)

Datasheet:: MK1491E-14R.pdf

Description:: IC CLK FREQ SYNTH CPU 75MHZ

In Stock:: 3538

Quantity:: Add To Cart

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MK1491E-14R Specifications

Packaging:
Tube
Series:
-
Product Status:
Obsolete
PLL:
No
Main Purpose:
Intel CPU, OPTi Firestar/Firestar+ chipset
Input:
Crystal
Output:
Clock
Number of Circuits:
1
Ratio-Input:Output:
1:15
Differential-Input:Output:
No/No
Frequency-Max:
75MHz
Voltage-Supply:
3V ~ 3.6V
Operating Temperature:
0°C ~ 70°C
Mounting Type:
Surface Mount

MK1491E-14R this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MK1491E-14R price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for MK1491E-14R to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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MK1491E-14R information

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MK1491E-14R Application Introduction

MK1491E-14R is a highly integrated DC-DC converter IC designed for power management applications in various electronic devices. It offers efficient power conversion and small form factor, making it suitable for portable and space-constrained designs.

Application Scenario:

In a battery-powered device, such as a handheld consumer electronics product, MK1491E-14R can be utilized to regulate the voltage and extend the battery life by efficiently converting the battery voltage to the required levels for different components.

Circuit Design:

To effectively integrate MK1491E-14R into a design, consider the following steps:

1. Power Input:

Connect the input power source, typically a battery or an external power supply, to the VIN pin of MK1491E-14R. Ensure proper decoupling capacitors are placed close to the VIN pin to filter out high-frequency noise.

2. Output Regulation:

Configure the feedback resistors according to the desired output voltage. The VOUT pin of MK1491E-14R provides the regulated output voltage. Ensure the output capacitors are selected and placed correctly to maintain stability and reduce output ripple.

3. Load Regulation:

Consider the maximum and minimum load conditions and select the appropriate output capacitor to ensure good load regulation. Additionally, ensure that the output current capability of MK1491E-14R meets the requirements of the connected load.

4. Thermal Management:

Implement thermal management techniques such as heat sinking or thermal vias in the PCB layout to dissipate heat generated during operation. Ensure adequate airflow and ventilation in the device enclosure to prevent overheating.

5. Efficiency Optimization:

To maximize efficiency, select the appropriate switching frequency and optimize the duty cycle of MK1491E-14R based on the input voltage and load conditions. Minimize switching losses by selecting high-quality external components and minimizing parasitic elements in the layout.

Considerations:

When designing with MK1491E-14R, it's important to consider:

- Input Voltage Range: Ensure that the input voltage range of MK1491E-14R matches the voltage levels of the power source to prevent damage to the device.

- Output Voltage Accuracy: Calibrate the feedback resistors accurately to achieve the desired output voltage within the specified tolerance of MK1491E-14R.

- EMI/EMC Compliance: Design the PCB layout and shielding to minimize electromagnetic interference and ensure compliance with electromagnetic compatibility standards.

- Component Selection: Choose high-quality external components, such as inductors and capacitors, to ensure reliable operation and maximize the performance of MK1491E-14R.

- Overcurrent Protection: Implement overcurrent protection mechanisms to safeguard MK1491E-14R and connected components from excessive current and prevent damage to the circuit.

MK1491E-14R FAQ

1. How to order MK1491E-14R on icwhale.com?

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We have a professional and experienced quality control team to strictly verify and test the MK1491E-14R. All suppliers must pass our qualification reviews before they can publish their products including MK1491E-14R on icwhale.com; we pay more attention to the channels and quality of MK1491E-14R products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the MK1491E-14R price and inventory displayed accurate?

The price and inventory of MK1491E-14R fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

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5. How is the shipping arranged?

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Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of MK1491E-14R?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the MK1491E-14R we delivered, we will accept the replacement or return of the MK1491E-14R only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of MK1491E-14R.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations