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L5970D The STMicroelectronics L5970D is an adjustable 1A DC-DC switching regulator. It operates as a step-down buck converter in an 8-SOIC package.
Mfr Part #:

L5970D

Available from 9 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics L5970D is an adjustable 1A DC-DC switching regulator. It operates as a step-down buck converter in an 8-SOIC package.
✓ Total Stock: 124,102 pcs
$ Price Range: $0.16

L5970D Available from 9 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Romaks Technologies ✓
Non-Authorised Inventory information
44,098 pcs
On Request
44098 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
Non-Authorised Inventory information
37,500 pcs
On Request
37500 pcs On Request 1 On Request On Request On Request On Request On Request
Risen Electronics ✓
Non-Authorised Inventory information
30,000 pcs
On Request
30000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
8,745 pcs
On Request
8745 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
2,255 pcs
On Request
2255 pcs On Request 1 On Request On Request 08+ On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
1,149 pcs
On Request
1149 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
341 pcs
On Request
341 pcs On Request 1 On Request On Request 09+ On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
14 pcs
On Request
14 pcs On Request 1 On Request On Request On Request On Request On Request
HK XINYUANXIN ELECTRONIC TECH LIMITED ✓
Non-Authorised Inventory information
On Request
On Request
On Request On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

L5970D Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Lead Spacing
Lead Style
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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L5970D Description

Short technical summary and product information.

The STMicroelectronics L5970D is a versatile integrated circuit designed for power management applications. This device functions as an adjustable step-down (buck) switching regulator, capable of delivering up to 1A of current. It operates with an input voltage of 4.4V and features a switching frequency of 250kHz.

 

The L5970D is housed in a compact 8-SOIC package, suitable for surface mount applications. Its adjustable output type provides flexibility for various design requirements. The device is specified for operation across a wide temperature range of -40°C to 150°C (TJ).

 

This component is categorized under Voltage Regulators - DC DC Switching Regulators, making it suitable for power supply designs requiring efficient voltage conversion. The non-synchronous rectifier design is a key characteristic for specific circuit implementations.

L5970D Quick Information

Product Type: DC-DC Switching Regulator
Series: L5970
Canonical Name: L5970D
Subcategory: Voltage Regulators - DC DC Switching Regulators

L5970D Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

L5970D Estimated Pricing

Qty Low High
1+ $0.16 $0.16

Estimated market price range - modelled values for guidance only, not live distributor offers.

L5970D Features

  • Adjustable 1A step-down buck regulator.
  • Operates at 4.4V input voltage.
  • Features 250kHz switching frequency.
  • Surface mountable 8-SOIC package.
  • Wide operating temperature range.

L5970D Applications

  • Used in point-of-load regulation circuits.
  • Suitable for industrial power supplies.
  • Ideal for automotive electronics applications.
  • Applicable in battery-powered equipment.

L5970D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the function of the L5970D?

Step-Down (Buck) regulator.

What is the output current rating?

1A.

What is the switching frequency?

250kHz.

What is the operating temperature range?

-40°C to 150°C (TJ).

What package is the L5970D available in?

8-SOIC (0.154", 3.90mm Width).

Is the output adjustable?

Yes, the output type is adjustable.

Does the L5970D use synchronous rectification?

No.

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