Micropower Low Dropout Regulators with Shutdown
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LT1121IS8-3.3 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 LT1121IS8-3.3 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
LT1121IS8-3.3 Related Products
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Estimated Delivery Time: May 24 - May 29 days (choose Expedited at checkout).
Shipping & Payment
- Shipping Type
- Ship Fee
- Lead Time
- $20.00-$40.00 (0.50 KG)
- 2-5 days
- $20.00-$40.00 (0.50 KG)
- 3-7 days
- $20.00-$45.00 (0.50 KG)
- 2-5 days
- $25.00-$65.00 (0.50 KG)
- 2-5 days
- $25.00-$45.00 (0.50 KG)
- 5-14 days
- REGISTERED AIR MAIL
- $2.00-$3.00 (0.10 KG)
- 7-30 days
Processing Time：Shipping fee depend on different zone and country.
- Terms of payment
- Hand Fee
- Wire Transfer
- charge US$30.00 banking fee.
- charge 4.0% service fee.
- Credit Card
- charge 3.5% service fee.
- Western Union
- charge US$0.00 banking fee.
- Money Gram
- charge US$0.00 banking fee.
We provide high quality products, thoughtful service and after sale guarantee
We have rich products, can meet your various needs.
Minimum order quantity starts from 1pcs.
Lowest international shipping fee starts from US$2.00.
90 days quality guarantee for all products.
Step2: Vacuum Packaging
Step3: Anti-Static Bag
Step4: Individual Packaging
Step5: Packaging Boxes
Step6: Bar-Code Shipping Tag
All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
1.We provide 90 days warranty.
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 LT1121IS8-3.3 is the original manufacturer or agent of LINEAR?
- We have a professional business development department to strictly test and verify the qualifications of LINEAR original manufacturers and agents. All LINEAR suppliers must pass the qualification review before they can publish their LT1121IS8-3.3 devices; we pay more attention to the channels and quality of LT1121IS8-3.3 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
- Q: How to find the detailed information of LT1121IS8-3.3 chips? Including LINEAR original factory information, LDO Linear Regulators ; Positive Linear Regulators (LDO) application, LT1121IS8-3.3 pictures?
- You can use Jotrin's intelligent search engine, or filter by LDO Linear Regulators ; Positive Linear Regulators (LDO) category, or find it through Linear Technology Corp. (ADI) Information page.
- Q: Are the LINEAR's LT1121IS8-3.3 price and stock displayed on the platform accurate?
- The LINEAR's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for LT1121IS8-3.3, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
- Q: Can I place an order offline?
Yes. We accept offline orders.
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?
- TT Bank, Paypal, Credit Card, Western Union, and Escrow is all acceptable.
- Q: How is the shipping arranged and track my package?
Customers can choose industry-leading freight companies, including DHL, FedEx, UPS, TNT, and Registered Mail.
Once your order has been processed for shipment, our sales will send you an e-mail advising you of the shipping status and tracking number.
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 LT1121IS8-3.3?
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 LT1121IS83.3 we delivered, we will accept the replacement or return of the LT1121IS8-3.3 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 LT1121IS8-3.3.
(3)The LT1121IS8-3.3 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 LT1121IS8-3.3 datasheet pdf, LT1121 pin diagram?
- Need any After-Sales service, please feel free contact us: firstname.lastname@example.org
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