Micropower Low Dropout Regulators with Shutdown
|Manufacturer :||Analog Devices, Inc|
|Product Categories :||LDO Linear Regulators ; Positive Linear Regulators (LDO)|
|Datasheet:||LT1121CS8-5 Datasheet (PDF)|
|RoHs Status:||Lead free / RoHS Compliant|
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LT1121CS8-5 Product Details
The LT1121/LT1121-3.3/LT1121-5 are micropower low dropout regulators with shutdown. These devices are capable of supplying 150mA of output current with a dropout voltage of 0.4V. Designed for use in battery-powered systems, the low quiescent current, 30µA operating and 16µA in shutdown, makes them an ideal choice. The quiescent current is well-controlled; it does not rise in dropout as it does with many other low dropout PNP regulators.
Other features of the LT1121/LT1121-3.3/LT1121-5 include the ability to operate with very small output capacitors. They are stable with only 0.33µF on the output while most older devices require between 1µF and 100µF for stability. Small ceramic capacitors can be used, enhancing manufacturability. Also the input may be connected to ground or a reverse voltage without reverse current flow from output to input. This makes the LT1121CS8-5 series ideal for backup power situations where the output is held high and the input is at ground or reversed. Under these conditions only 16µA will flow from the output pin to ground.
- 0.4V Dropout Voltage
- 150mA Output Current
- 30µA Quiescent Current
- No Protection Diodes Needed
- Adjustable Output from 3.75V to 30V
- 3.3V and 5V Fixed Output Voltages
- Controlled Quiescent Current in Dropout
- 16µA Quiescent Current in Shutdown
- Stable with 0.33µF Output Capacitor
- Reverse Battery Protection
- No Reverse Current with Input Low
- Thermal Limiting
- Available in the 8-Lead SO, 8-Lead PDIP, 3-Lead SOT-23 and 3-Lead TO-92 Packages
- Low Current Regulator
- Regulator for Battery-Powered Systems
- Post Regulator for Switching Supplies
- Number of Outputs
- Vinmin | V
- Vinmax | V
- Output Currenttyp | A
- Output Current 2typ | A
- Output Voltage
- 3.3, 5, Adj
- RMS Noisetyp | V
- Isupplytyp | A
- Dropout Voltagetyp | V
LT1121 Technical Documentation/Data sheet
LT1121CS8-5 Related Products
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Estimated Delivery Time: Jun 04 - Jun 09 days (choose Expedited at checkout).
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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.
- Q: How does Jotrin guarantee that LT1121CS8-5 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 LT1121CS8-5 devices; we pay more attention to the channels and quality of LT1121CS8-5 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
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- You can use Jotrin's intelligent search engine, or filter by LDO Linear Regulators ; Positive Linear Regulators (LDO) category, or find it through Analog Devices, Inc Information page.
- Q: Are the ADI's LT1121CS8-5 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 LT1121CS8-5, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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- Q: What is the process for returns or replacement of LT1121CS8-5?
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 LT1121CS85 we delivered, we will accept the replacement or return of the LT1121CS8-5 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 LT1121CS8-5.
(3)The LT1121CS8-5 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.
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