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Adjustable 3A Single Resistor Low Dropout Regulator
| Manufacturer : | Analog Devices, Inc |
|---|---|
| Package/Case : | 5-LeadTO-220 |
| Product Categories : | LDO Linear Regulators ; Positive Linear Regulators (LDO) |
| Datasheet: | LT3083ET Datasheet (PDF) |
| RoHs Status: | Lead free/RoHS Compliant |
| In-stock: | 200 |
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LT3083ET Product Details
The LT3083ET is a 3A low dropout linear regulator that can be paralleled to increase output current or spread heat on surface mounted boards. Architected as a precision current source and voltage follower, this new regulator finds use in many applications requiring high current, adjustability to zero, and no heat sink. The device also brings out the collector of the pass transistor to allow low dropout operation—down to 310mV—when used with multiple supplies.
A key feature of the LT3083ET is the capability to supply a wide output voltage range. By using a reference current through a single resistor, the output voltage is programmed to any level between zero and 23V (DD-PAK and TO-220 packages). The LT3083ET is stable with 10μF of capacitance on the output, and the IC is stable with small ceramic capacitors that do not require additional ESR as is common with other regulators.
Internal protection circuitry includes current limiting and thermal limiting. The LT3083ET is offered in the 16-lead TSSOP (with an exposed pad for better thermal characteristics), 12-lead 4mm × 4mm DFN (also with an exposed pad), 5-lead TO-220, and 5-lead surface mount DD-PAK packages.
Feature
- Outputs May be Paralleled for Higher Current and Heat Spreading
- Output Current: 3A
- Single Resistor Programs Output Voltage
- 50μA Set Pin Current: 1% Initial Accuracy
- Output Adjustable to 0V
- Low Output Noise: 40μVRMS (10Hz to 100kHz)
- Wide Input Voltage Range: 1.2V to 23V (DD-Pak and TO-220 Packages)
- Low Dropout Voltage: 310mV
- <1mV Load Regulation
- <0.001%/V Line Regulation
- Minimum Load Current: 1mA
- Stable with Minimum 10μF Ceramic Capacitor
- Current Limit with Foldback and Overtemperature Protection
- Available in 16-Lead TSSOP, 12-Lead 4mm × 4mm DFN, 5-Lead TO-220 and 5-Lead Surface Mount DD-PAK Packages
Applications
- High Current All Surface Mount Supply
- High Efficiency Linear Regulator
- Post Regulator for Switching Supplies
- Low Parts Count Variable Voltage Supply
- Low Output Voltage Power Supplies
(Picture: Pinout)
(Picture: Diagram)
Technical Parameters
- Number of Outputs
- 1
- Vinmin | V
- 1.2
- Vinmax | V
- 23
- Output Currenttyp | A
- 3
- Output Current 2typ | A
- -
- Output Voltage
- Adj
- RMS Noisetyp | V
- 40µ
- Isupplytyp | A
- 350µ
- Dropout Voltagetyp | V
- 310m
- Features
- Current Source Reference
LT3083ET Datasheet
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LT3083 Technical Documentation/Data sheet
LT3083ET Related Products
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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 LT3083ET 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 LT3083ET devices; we pay more attention to the channels and quality of LT3083ET products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
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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 LT3083ET?
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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 LT3083ET we delivered, we will accept the replacement or return of the LT3083ET 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 LT3083ET.
(3)The LT3083ET is unused and only in the original unpacked packaging.
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(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
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