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Universal Nine Channel LED Driver
| Manufacturer : | Analog Devices, Inc |
|---|---|
| Package/Case : | QFN-20 |
| Product Categories : | LED Driver IC ; Inductorless (Charge Pump) LED Drivers |
| Datasheet: | LTC3219EUD Datasheet (PDF) |
| RoHs Status: | Lead free / RoHS Compliant |
| Marking Code: | LCJV |
| In-stock: | 1800 |
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LTC3219EUD Product Details
The LTC3219EUD is a highly integrated multidisplay LED driver. The device contains a high efficiency, low noise charge pump to provide power to nine universal LED current sources. The LTC3219EUD requires only five small ceramic capacitors to form a complete LED power supply and current controller.
The maximum display currents are set by an internal precision current reference. Independent dimming, On/Off, blinking and gradation control for all current sources is achieved via the I2C serial interface. 6-bit linear DACs are available for adjusting brightness levels for each universal LED current source.
The LTC3219EUD charge pump optimizes efficiency based on the voltage across the LED current sources. The device powers up in 1x mode and will automatically switch to boost mode whenever any enabled LED current source begins to enter dropout. The first dropout switches the IC into 1.5x mode and a subsequent dropout switches the LTC3219EUD into 2x mode. The part resets to 1x mode whenever a data register is updated via the I2C port.
Feature
- Multimode Charge Pump Provides Up to 91% Efficiency
- Slew Limited Switching Reduces Conducted and Radiated Noise (EMI)
- Up to 250mA Total Output Current
- Nine 28mA Universal Current Sources with 64-Step Linear Brightness Control
- Independent On/Off, Brightness Level, Blinking and Gradation Control for Each Current Source Using 2-Wire I2C™ Interface
- Internal Current Reference
- Configurable ENU Pin for Asynchronous LED On/Off Control
- Low Noise Charge Pump Operates in 1x, 1.5x or 2x Mode for Optimal Efficiency*
- Automatic or Forced Mode Switching
- Internal Soft-Start Limits Inrush Current
- Short-Circuit/Thermal Protection
- 3mm × 3mm 20-Lead QFN Plastic Package
Applications
- Video Phones with QVGA+ Displays
(Picture: Pinout)
(Picture: Diagram)
Technical Parameters
- Number of Outputs
- 9
- Vinmin | V
- 2.9
- Vinmax | V
- 5.5
- Output Currenttyp | A
- 250m
- Max Number of LEDs
- 9 (parallel)
- Comments
- 250mA Universal Nine Channel LED Driver
- Isupplytyp | A
- 400µ
LTC3219EUD Datasheet
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LTC3219 Technical Documentation/Data sheet
LTC3219EUD Related Products
Ratings and Reviews (1)
- 5 / 5
- 5 Stars 100%
- 4 Stars 0%
- 3 Stars 0%
- 2 Stars 0%
- 1 Stars 0%
-
**ob K***2020-03-28
Very good part. Rapid delivery.
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- DHL
- $20.00-$40.00 (0.50 KG)
- 2-5 days
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- 3-7 days
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- 2-5 days
- TNT
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- 2-5 days
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- 5-14 days
- REGISTERED AIR MAIL
- $2.00-$3.00 (0.10 KG)
- 7-30 days
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Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
FAQ:
- Q: How does Jotrin guarantee that LTC3219EUD is the original manufacturer or agent of ADI?
- We have a professional business development department to strictly test and verify the qualifications of ADI original manufacturers and agents. All ADI suppliers must pass the qualification review before they can publish their LTC3219EUD devices; we pay more attention to the channels and quality of LTC3219EUD products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
- Q: How to find the detailed information of LTC3219EUD chips? Including ADI original factory information, LED Driver IC ; Inductorless (Charge Pump) LED Drivers application, LTC3219EUD pictures?
- You can use Jotrin's intelligent search engine, or filter by LED Driver IC ; Inductorless (Charge Pump) LED Drivers category, or find it through Analog Devices, Inc Information page.
- Q: Are the ADI's LTC3219EUD price and stock displayed on the platform accurate?
- The ADI's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for LTC3219EUD, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online. - Q: What forms of payment can I use in Jotrin?
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Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
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Note: It may take up to 24 hours before carriers will display tracking information. In normal conditions, Express delivery needs 3-5 days, Registered Mail needs 25-60 days. - Q: What is the process for returns or replacement of LTC3219EUD?
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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 LTC3219EUD we delivered, we will accept the replacement or return of the LTC3219EUD 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 LTC3219EUD.
(3)The LTC3219EUD 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
More details about return electronic components please see our Return & Change Policy. - Q: How to contact us and get support, such as LTC3219EUD datasheet pdf, LTC3219 pin diagram?
- Need any After-Sales service, please feel free contact us: sales@jotrin.com
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