L4971 STMicroelectronics Integrated Circuit (Dual-In-Line Packages) In Stock
The L4971 is a switching voltage regulator from STMicroelectronics using voltage-mode pulse width modulation control, supporting an input voltage range of 8 V to 55 V with a 24 V nominal input, housed in a compact 8-pin plastic DIP package for industrial and automotive power supply designs.
- Manufacturer
- STMicroelectronics
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- L4971 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.0405(MOQ 1)
- Temp Range
- -40.0°C to 150.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of L4971?
- Voltage-mode PWM switching regulator
- 8 V to 55 V input voltage range
- 24 V nominal input voltage
- 8-pin plastic DIP package (JESD-30 R-PDIP-T8)
- JESD-609 e3 lead-finish code
- 16-week factory lead time
What is L4971 used for?
The L4971 is commonly used in industrial and automotive switching power supply designs that require a wide 8 V to 55 V input range, such as battery-powered systems, DC-DC converters, and off-line power modules. Its voltage-mode PWM control makes it suitable for step-down regulator applications in 24 V nominal bus systems.
What are the specifications of L4971?
| Factory Lead Time | 16Weeks |
| YTEOL | 6 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 55V |
| Input Voltage-Min | 8V |
| Input Voltage-Nom | 24V |
| JESD-30 Code | R-PDIP-T8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Current-Max | 3A |
| Output Voltage-Max | 50V |
| Output Voltage-Min | 3.3V |
| Output Voltage-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 6mA |
| Surface Mount | NO |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 300kHz |
| Technology | BCDMOS |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Mainland China |
Where can I find the L4971 datasheet?
L4971 Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for L4971?
Compatible alternatives and drop-in replacements for L4971:
suggested
suggested
suggested
Switching Regulator, Voltage-mode, 3A, 300kHz Switching Freq-Max, BCDMOS, PDSO16
Frequently Asked Questions
What input voltage range does the L4971 switching regulator support?
The L4971 operates across an 8 V to 55 V input voltage range with a 24 V nominal input, using voltage-mode pulse width modulation control to deliver stable output regulation in switching power supply designs.
Package construction for the L4971 follows an 8-pin dual-in-line format.
The L4971 ships in a mini plastic DIP-8 package classified under JESD-30 code R-PDIP-T8, with a JESD-609 code e3 lead finish, supporting through-hole assembly for switching regulators rated up to 55 V input.
Lead time planning for the L4971 should account for STMicroelectronics' standard factory scheduling.
The L4971 carries a standard factory lead time of 16 weeks from STMicroelectronics, so buyers designing around this 8 V to 55 V input switching regulator should plan procurement well ahead of production builds.
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Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $1.0405 | $1.04 |
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