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L5981

Part No L5981
Manufacturer STMicroelectronics
Catalog PMIC - Voltage Regulators - DC DC Switching Regulators
Description IC REG BUCK ADJ 1A 8VFQFPN
Sample
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Category Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - DC DC Switching Regulators
Mfr STMicroelectronics
Package Tube
Product Status Discontinued
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 2.9V
Voltage - Input (Max) 18V
Voltage - Output (Min/Fixed) 0.6V
Voltage - Output (Max) 18V
Current - Output 1A
Frequency - Switching 250kHz ~ 1MHz
Synchronous Rectifier No
Temperature Range - Operating -40°C ~ 150°C (TJ)
Mounting Type Surface Mount
Package / Case 8-VFDFN Exposed Pad
Supplier Device Package 8-VFQFPN (3x3)
Base Product Number L5981
Standard Package 100 pcs
MSL Level 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001
Win Source Part Number 611624-L5981
Ultra Librarian 3D Model Ultra Librarian L5981 CAD Model

Description

The L5981 from STMicroelectronics is a sophisticated power management integrated circuit designed to cater to a wide array of applications requiring efficient power control. This versatile device is particularly well-suited for switch-mode power supplies, offering a compact solution that combines high performance with reliability.

Key Features

  • Wide Input Voltage Range: The L5981 can operate with an input voltage range that makes it suitable for various applications, ensuring flexibility and adaptability in different power supply scenarios.
  • Adjustable Output Voltage: Users can set the output voltage to meet the specific requirements of their application, providing a customized solution that maximizes efficiency.
  • High Efficiency: With its advanced design, the L5981 promotes high efficiency in power conversion, which is crucial for reducing energy consumption and heat generation in electronic systems.
  • Protection Features: The device includes overcurrent protection, thermal shutdown, and under-voltage lockout, ensuring the safety and longevity of both the power controller and the system it serves.
  • Minimal External Components: The L5981 is designed to work with a minimum number of external components, simplifying the design and reducing the overall bill of materials for the power supply.

Applications

The L5981 is ideal for a range of applications, including but not limited to:

  • Switch-mode power supplies (SMPS)
  • DC-DC converters
  • Battery chargers
  • Power adapters for consumer electronics
  • Standby power supplies for TVs and monitors

Design Support

STMicroelectronics provides comprehensive design support for the L5981, including datasheets, application notes, and reference designs. This support helps designers to rapidly integrate the device into their power supply solutions, reducing time-to-market and ensuring optimal performance.

With its combination of flexibility, efficiency, and protection features, the L5981 stands out as a high-quality power management solution for designers looking to enhance their power supply systems.

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Pricing & Ordering

Quantity Unit Price Ext. Price
9+ $6.7233 $60.5097
21+ $5.5174 $115.8654
33+ $5.3442 $176.3586
45+ $5.1721 $232.7445
58+ $5.0000 $290.0000
78+ $4.4826 $349.6428
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
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Availability: 6,670 pieces
MOQ: 9 pcs
Order Increment : 1 pcs
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