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HomeProductsIntegrated Circuits (ICs)PMIC - Voltage Regulators - DC DC Switching RegulatorsL7985TR
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L7985TR - STMicroelectronics

Manufacturer Part Number
L7985TR
Manufacturer
STMicroelectronics
Allelco Part Number
32D-L7985TR
ECAD Model
Parts Description
IC REG BUCK ADJUSTABLE 2A
Package
10-VFDFN Exposed Pad
Data sheet
L7985.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 30451

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Specifications

L7985TR Tech Specifications
STMicroelectronics - L7985TR technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics - L7985TR

Product Attribute Attribute Value  
Manufacturer STMicroelectronics  
Voltage - Output (Min/Fixed) 0.6V  
Voltage - Output (Max) 38V  
Voltage - Input (Min) 4.5V  
Voltage - Input (Max) 38V  
Topology Buck  
Synchronous Rectifier No  
Series -  
Package / Case 10-VFDFN Exposed Pad  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Output Type Adjustable  
Output Configuration Positive  
Operating Temperature -40°C ~ 150°C (TJ)  
Number of Outputs 1  
Mounting Type Surface Mount  
Function Step-Down  
Frequency - Switching 250kHz ~ 1MHz  
Current - Output 2A  
Base Product Number L7985  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

L7985TR

Manufacturer

stmicroelectronics

Introduction

The L7985TR is a high-efficiency, step-down DC-DC switching regulator from STMicroelectronics. It is designed to provide a regulated and adjustable output voltage from a wide input voltage range of 4.5V to 38V, making it suitable for a variety of applications.

Product Features and Performance

Adjustable output voltage from 0.6V to 38V

Output current capability up to 2A

Switching frequency range of 250kHz to 1MHz

Operates over a wide temperature range of -40°C to 150°C (TJ)

Integrated MOSFETs for high-efficiency power conversion

Advanced current-mode control for fast transient response

Built-in soft-start function to limit inrush current

Thermal shutdown and overcurrent protection

Product Advantages

High efficiency power conversion with low power loss

Wide input voltage range for flexibility in different applications

Adjustable output voltage for tailored power requirements

Compact surface-mount package for space-constrained designs

Robust thermal and overcurrent protection features

Key Reasons to Choose This Product

Reliable and high-performance power management solution

Suitable for a wide range of applications, from industrial to consumer electronics

Efficient and cost-effective power conversion with advanced features

Trusted STMicroelectronics quality and support

Quality and Safety Features

Meets industry safety and regulatory standards

Robust design with comprehensive protection features

Backed by STMicroelectronics' quality assurance processes

Compatibility

The L7985TR is compatible with a variety of systems and applications that require a regulated and adjustable DC power supply, including industrial equipment, automotive electronics, and consumer devices.

Application Areas

Industrial automation and control systems

Automotive electronics and power management

Consumer electronics and home appliances

Telecommunications and networking equipment

Medical devices and instrumentation

Product Lifecycle

The L7985TR is an active and in-production product from STMicroelectronics. There are no direct equivalent or alternative models currently available. For the latest information on product availability and lifecycle status, please contact our website's sales team.

Parts with Similar Specifications

The three parts on the right have similar specifications to STMicroelectronics L7985TR

Product Attribute L7985TR L7986ATR L7980TR L7986TA
Part Number L7985TR L7986ATR L7980TR L7986TA
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Output Type Adjustable Adjustable Adjustable Adjustable
Package Tape & Reel (TR) Tape & Reel (TR) Tape & Reel (TR) Tube
Topology Buck Buck Buck Buck
Number of Outputs 1 1 1 1
Output Configuration Positive Positive Positive Positive
Package / Case 10-VFDFN Exposed Pad 8-SOIC (0.154', 3.90mm Width) Exposed Pad 8-VFDFN Exposed Pad 8-SOIC (0.154", 3.90mm Width) Exposed Pad
Current - Output 2A 3A 2A 3A
Voltage - Output (Max) 38V 38V 28V 38V
Operating Temperature -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 150°C (TJ)
Function Step-Down Step-Down Step-Down Step-Down
Series - - - -
Frequency - Switching 250kHz ~ 1MHz 250kHz ~ 1MHz 250kHz ~ 1MHz 250kHz ~ 1MHz
Base Product Number L7985 L7986 L7980 L7986
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Synchronous Rectifier No No No No
Voltage - Input (Min) 4.5V 4.5V 4.5V 4.5V
Voltage - Input (Max) 38V 38V 28V 38V
Voltage - Output (Min/Fixed) 0.6V 0.6V 0.6V 0.6V

L7985TR Datasheet PDF

Download L7985TR pdf datasheets and STMicroelectronics documentation for L7985TR - STMicroelectronics.

PCN Packaging
Material Barrier Bag 17/Dec/2020.pdf CRP/14/8400 20/Mar/2014.pdf
HTML Datasheet
L7985.pdf
PCN Design/Specification
IPD-IPC/13/7674 28/Nov/2014.pdf
PCN Assembly/Origin
Assembly Site 19/Jan/2023.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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L7985TR Image

L7985TR

STMicroelectronics
32D-L7985TR

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