logo
Home ProductsIntegrated Circuit Chip

LT3509EMSE Integrated Circuit Chip Dual 36V 700mA Step-Down Regulator MSOP-16

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

LT3509EMSE Integrated Circuit Chip Dual 36V 700mA Step-Down Regulator MSOP-16

LT3509EMSE Integrated Circuit Chip Dual 36V 700mA Step-Down Regulator MSOP-16
LT3509EMSE Integrated Circuit Chip Dual 36V 700mA Step-Down Regulator MSOP-16

Large Image :  LT3509EMSE Integrated Circuit Chip Dual 36V 700mA Step-Down Regulator MSOP-16

Product Details:
Place of Origin: CN
Brand Name: Original Factory
Certification: Lead free / RoHS Compliant
Model Number: LT3509EMSE
Payment & Shipping Terms:
Minimum Order Quantity: 10
Price: Contact for Sample
Packaging Details: MSOP-16
Delivery Time: 5-8 work days
Payment Terms: T/T, L/C, Western Union

LT3509EMSE Integrated Circuit Chip Dual 36V 700mA Step-Down Regulator MSOP-16

Description
Part Number: LT3509EMSE Output Current:: 700 MA
Number Of Outputs:: 2 Output Input Voltage - Min:: 3.6 V
Input Voltage - Max:: 36 V Quiescent Current:: 1.9 MA

LT3509EMSE Integrated Circuit Chip Dual 36V 700mA Step-Down Regulator MSOP-16

 

Product Description Of LT3509EMSE
LT3509EMSE is a dual, current mode, step-down switching regulator, with internal power switches each capable of providing 700mA output current. This regulator provides a compact and robust solution for multi-rail systems in harsh environments. It incorporates several protection features including overvoltage lockout and cycle-by-cycle current limit. Thermal shutdown provides additional protection. The loop compensation components and the boost diodes are integrated on-chip. Switching frequency is set by a single external resistor. External synchronization is also possible. The high maximum switching frequency allows the use of small inductors and ceramic capacitors for low ripple. Constant frequency operation above the AM band avoids interference with radio reception, making the LT3509 well suited for automotive applications. Each regulator has an independent shutdown and soft-start control pin. When both converters are powered down, the common circuitry enters a low current shutdown state.

 

Specifications Of LT3509EMSE

Function
Step-Down
Output Configuration
Positive
Topology
Buck
Output Type
Adjustable
Number of Outputs
2
Voltage - Input (Min)
3.6V
Voltage - Input (Max)
36V
Voltage - Output (Min/Fixed)
0.8V
Voltage - Output (Max)
34.2V
Current - Output
700mA
Frequency - Switching
260kHz ~ 2.15MHz
Synchronous Rectifier
No
Operating Temperature
-40°C ~ 125°C (TJ)

 

Features Of LT3509EMSE
Two 700mA Switching Regulators with Internal Power Switches
Wide 3.6V to 36V Operating Range
Overvoltage Lockout Protects Circuit Through 60V Supply Transients
Short-Circuit Robust
Low Dropout Voltage: 95% Maximum Duty Cycle
Adjustable 300kHz to 2.2MHz Switching Frequency Synchronizable Over the Full Range
Uses Small Inductors and Ceramic Capacitors
Integrated Boost Diodes
Internal Compensation
Thermally Enhanced 14-Lead (4mm × 3mm) DFN and 16 Lead MSOP Packages

 

Application Of LT3509EMSE
Automotive Electronics
Industrial Controls
Wall Transformer Regulation
Networking Devices
CPU, DSP, or FPGA Power

 

Other Electronic Components In Stock

Part Number

Package

IMBG65R020M2H

TO263-7

CYPD727268LQXQ

VQFN-68

IMBG65R040M2H

TO263-7

IMBG65R050M2H

TO263-7

BTG7007A1EPW

TSDSO-14

CY8C4147AZES565

64-TQFP

CY8C4147AZSS595

64-TQFP

CY8C4147LDES573

48-QFN

CY8C4147LDSS583

48-QFN

CY8C4148AZAS558

100-LQFP

CY8C4148AZAS568

100-LQFP

CY8C4148AZAS595

64-TQFP

CY8C4148AZES545

64-LQFP

CY8C4148AZSS595

64-LQFP

CY8C4149AZAS555

64-LQFP

CY8C4149AZAS558

100-LQFP

CY8C4149AZES548

100-LQFP

CY8C4149AZSS555

64-LQFP

CY8C4149LDAS563

48-QFN

CY8C4149LDES543

48-QFN

CY8C4149LDES553

48-QFN

IAUCN08S7N013

PG-TDSON-8

IMW65R020M2H

PG-TO247-3

IMZA75R027M1H

PG-TO247-4-3

IMZA75R090M1H

PG-TO247-4-3

IPD30N10S3L34

PG-TO252-3-11

IPTC026N12NM6

PG-HDSOP-16

IQE057N10NM6CG

PG-TTFN-9

IR38060MGM18TRP

QFN-26

IRF7380TRPBF

SOIC-8


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

H
Hieu
Switzerland Mar 11.2026
*"Original LB11988V. Good quality, fast delivery. Highly recommend this seller for ONSEMI parts."*
W
Winya
Finland Jan 13.2026
Good quality, exactly as described. Will buy again.
しょうた
Japan Oct 23.2025
It is a great shopping experience,the sales are very professional and very enthusiasm,fast delivery,good quality ,i will buy them next time!
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)