L5970D

Active
Design Win Education

Up to 1 A step down switching regulator

Download datasheet
Overview
eDesignSuite
Sample & Buy
Solutions
Documentation
CAD Resources
Tools & Software
Quality & Reliability
Get Started
Partner products
Sales Briefcase

Product overview

Description

The L5970D is a step down monolithic power switching regulator capable to deliver up to 1A at output voltages from 1.2V to 35V. The device uses an internal P-Channel D-MOS transistor (with a typical Rdson of 250mΩ) as switching element to minimize the size of the external components.
An internal oscillator fixes the switching frequency at 250KHz.
Having a minimum input voltage of 4.4V only, it is particularly suitable for 5V bus, available in all computer related applications.
Pulse by pulse current limit with the internal frequency modulation offers an effective constant current short circuit protection.
  • All features

    • Inhibit for zero current consumption
    • Internal current limiting
    • Protection against feedback disconnection
    • Synchronization
    • Thermal shutdown
    • Voltage feedforward
    • 250KHz Internally fixed frequency
    • Up to 1A output current
    • 3.3V / (±2%) reference voltage
    • Operating input voltage from 4.4V to 36V
    • Low dropout operation: 100% duty cycle
    • Zero load current operation
    • Output voltage adjustable from 1.2V to 35V

All tools & software

    • Part number
      Status
      Description
      Type
      Supplier

      AP350/SG5000 Automatic Programming System

      Active

      Automatic programmers for STM MCUs series & PMUs

      Hardware Development Tools from Partners System General
      AP350/SG5000 Automatic Programming System

      Description:

      Automatic programmers for STM MCUs series & PMUs

      T9800/SG8000 Device Programmer

      Active

      Universal programmers for STM MCUs series & PMUs

      Hardware Development Tools from Partners System General
      T9800/SG8000 Device Programmer

      Description:

      Universal programmers for STM MCUs series & PMUs

EDA Symbols, Footprints and 3D Models

STMicroelectronics - L5970D

Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.

Symbols

Symbols

Footprints

Footprints

3D model

3D models

Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
L5970D
Active
SO-8 Industrial Ecopack2
L5970D013TR
Active
SO-8 Industrial Ecopack2

L5970D

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

L5970D013TR

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

eDesignSuite

eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

Power Supply Design Tool

SMPS design, by topology, by type and by product
PFC design with analog and digitial control
Supports various PCB configurations
Power Supply
Choose type:
Input Specification
Input Specification
V
This option is required. And must be less than or equal to Volt. Max [V]
V
This option is required. And must be greater than or equal to Volt. Min [V]
Output
V
this option is required
A
this option is required
Output Power: 0

Sample & Buy

Part Number
Order from Distributors
Order from ST
Marketing Status
ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
L5970D013TR No availability of distributors reported, please contact our sales office
Active
EAR99 NEC Tape And Reel SO-8 -40 150 CHINA
L5970D Available at 2 distributors

Distributor availability ofL5970D

Distributor Name
Region Stock Min. Order Third party link
RS COMPONENTS EUROPE 50 1 Buy from Distributor
Newark Element14 AMERICA 78 0 Buy from Distributor

Distributor reported inventory date: 2022-05-06

Distributor Name

RS COMPONENTS

Stock

50

Min.Order

1

Newark Element14

Stock

78

Min.Order

0

Region

AMERICA Buy from Distributor

Distributor reported inventory date: 2022-05-06

Active
EAR99 NEC Tube SO-8 -40 150 CHINA

L5970D013TR

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SO-8

Operating Temperature (°C)

(min)

-40

(max)

150

Budgetary Price (US$)* / Qty

Country of Origin

CHINA

L5970D

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

Distributor availability ofL5970D

Distributor Name
Region Stock Min. Order Third party link
RS COMPONENTS EUROPE 50 1 Buy from Distributor
Newark Element14 AMERICA 78 0 Buy from Distributor

Distributor reported inventory date: 2022-05-06

Distributor Name

RS COMPONENTS

Stock

50

Min.Order

1

Newark Element14

Stock

78

Min.Order

0

Region

AMERICA Buy from Distributor

Distributor reported inventory date: 2022-05-06

ECCN (EU)

NEC

Packing Type

Tube

Package

SO-8

Operating Temperature (°C)

(min)

-40

(max)

150

Budgetary Price (US$)* / Qty

Country of Origin

CHINA

(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors