logo
Home ProductsIntegrated Circuit Chip

LT1121IST-3.3 Integrated Circuit Chip Micropower Low Dropout Regulators With Shutdown

Certification
China ShenZhen Mingjiada Electronics Co.,Ltd. certification
China ShenZhen Mingjiada Electronics Co.,Ltd. certification
Customer Reviews
Shipped very fast,and was very helpful,New and Original,would highly recommend.

—— Nishikawa From Japan

Professional and fast service,acceptable prices for goods. excellent communication,product as expected. I highly recommend this supplier.

—— Luis From United States

High Quality and Reliable Performance: "The electronic components we received from [ShenZhen Mingjiada Electronics Co.,Ltd.] are of high quality and have shown reliable performance in our devices."

—— Richardg From Germany

Competitive Pricing: The pricing offered by is very competitive, making it an excellent choice for our procurement needs.

—— Tim From Malaysia

The customer service provided by is excellent. They are always responsive and helpful, ensuring our needs are met promptly.

—— Vincent From Russia

Great prices, fast delivery, and top-notch customer service. ShenZhen Mingjiada Electronics Co.,Ltd. never disappoints!

—— Nishikawa From Japan

Reliable components, fast shipping, and excellent support. ShenZhen Mingjiada Electronics Co.,Ltd is our go-to partner for all electronic needs!

—— Sam From United States

High-quality parts and a seamless ordering process. Highly recommend ShenZhen Mingjiada Electronics Co.,Ltd for any electronics project!

—— Lina From Germany

I'm Online Chat Now

LT1121IST-3.3 Integrated Circuit Chip Micropower Low Dropout Regulators With Shutdown

LT1121IST-3.3 Integrated Circuit Chip Micropower Low Dropout Regulators With Shutdown
LT1121IST-3.3 Integrated Circuit Chip Micropower Low Dropout Regulators With Shutdown

Large Image :  LT1121IST-3.3 Integrated Circuit Chip Micropower Low Dropout Regulators With Shutdown

Product Details:
Place of Origin: CN
Brand Name: Original Factory
Certification: Lead free / RoHS Compliant
Model Number: LT1121IST-3.3
Payment & Shipping Terms:
Minimum Order Quantity: 10
Price: Contact for Sample
Packaging Details: SOT-3
Delivery Time: 5-8 work days
Payment Terms: T/T, L/C, Western Union

LT1121IST-3.3 Integrated Circuit Chip Micropower Low Dropout Regulators With Shutdown

Description
Part Number: LT1121IST-3.3 Output Voltage:: 3.3 V
Output Current:: 150 MA Quiescent Current:: 30 UA
PSRR / Ripple Rejection - Typ:: 58 DB Dropout Voltage:: 400 MV

LT1121IST-3.3 Integrated Circuit Chip Micropower Low Dropout Regulators With Shutdown

 

Product Description Of LT1121IST-3.3
LT1121IST-3.3 is 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.

 

Specifications Of LT1121IST-3.3

Number of Regulators
1
Voltage - Input (Max)
30V
Voltage - Output (Min/Fixed)
3.3V
Voltage Dropout (Max)
0.7V @ 150mA
Current - Output
150mA
Current - Quiescent (Iq)
50 µA
Current - Supply (Max)
14 mA
PSRR
58dB (120Hz)
Control Features
Enable
Protection Features
Over Temperature, Reverse Polarity
Operating Temperature
-40°C ~ 125°C

 

Features Of LT1121IST-3.3
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
Shutdown
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

 

Applications Of LT1121IST-3.3
Low Current Regulator
Regulator for Battery-Powered Systems
Post Regulator for Switching Supplies

 

 

Other Electronic Components In Stock

Part Number

Package

STM32F303K6T6

32-LQFP

PIC32MX170F512H-I/PT

64-TQFP

STM32F303R6T6

64-LQFP

R5F10BMGCLFB

80-LQFP

STM32F302CBT7

48-LQFP

STM32F334K6T6

32-LQFP

R5F10PMJCLFB

80-LQFP

PIC32MX320F128H-80V/PT

64-TQFP

STM32F103RFT6

64-LQFP

PIC24FJ128GC010-I/BG

121-TFBGA

PIC32MX270F512H-50I/PT

64-TQFP

PIC32MK1024GPD064T-I/MR

64-TQFP

LPC11E67JBD48K

48-LQFP

PIC32MX320F128L-80I/PT

100-TQFP

PIC32MX360F512L-80I/BG

121-TFBGA

STM32L151RDT6

64-LQFP

STM32L151VCH6

100-UFBGA

PIC32MX575F512L-80V/PT

100-TQFP

STM32F446ZEJ7

100-UFBGA

PIC32MZ1024EFK064-E/PT

64-TQFP

PIC32MZ1024EFF144-I/JWX

144-TFBGA

PIC32MZ0512EFK100-E/PF

100-TQFP

PIC32MZ1025DAB176T-I/2J

176-LQFP

PIC32MZ1064DAB169T-I/HF

169-LFBGA

PIC32MZ1024EFG144-I/JWX

144-TFBGA

PIC32MZ2048ECG064-I/PT

64-TQFP

PIC32MZ1024EFM064-E/PT

64-TQFP

PIC32MZ1025DAB288T-I/4J

288-LFBGA

PIC32MZ1064DAB288T-I/4J

288-LFBGA

PIC32MZ2048EFH144-I/JWX

144-TFBGA


FAQ
Q. Are your products original?
A: Yes, all products are original, new original import is our purpose.
Q:Which Certificates do you have?
A:We are ISO 9001:2015 Certified Company and member of ERAI.
Q:Can you support small quantity order or sample?Is the sample free?
A:Yes,we support sample order and small order.Sample cost is different according to your order or project.
Q:How to ship my order? Is it safe?
A:We use express to ship,such as DHL,Fedex,UPS,TNT,EMS.We can also use your suggested forwarder.Products will be in good packing and ensure the safety and we are responsible to product damage to your order.
Q:What about the lead time?
A:We can ship stock parts within 5 working days.If without stock,we will confirm lead time for you based on your order quantity.

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

R
RUBY
Canada Mar 31.2026
I received the package today. The goods are as described by the seller.DC:2025+ New and Original. This was a very satisfying shopping experience.
K
Khalid
Germany Jul 16.2025
"Genuine AEC-Q100 qualified part. Excellent isolation and accuracy for motor current sensing. Works perfectly in my EV project. 5 stars!"*
Z
Zaria
Austria Mar 14.2025
*"Industrial temperature grade (-40°C to 100°C) as specified. Tested in harsh environment, works perfectly. Genuine part. Will buy again."*
Contact Details
ShenZhen Mingjiada Electronics Co.,Ltd.

Contact Person: Sales Manager

Tel: 86-13410018555

Fax: 86-0755-83957753

Send your inquiry directly to us (0 / 3000)