X-On Electronics has gained recognition as a prominent supplier of L4973V5.1 Switching Voltage Regulators across the USA, India, Europe, Australia, and various other global locations. L4973V5.1 Switching Voltage Regulators are a product manufactured by STMicroelectronics. We provide cost-effective solutions for Switching Voltage Regulators, ensuring timely deliveries around the world.

L4973V5.1 STMicroelectronics

L4973V5.1 electronic component of STMicroelectronics
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Part No.L4973V5.1
Manufacturer: STMicroelectronics
Category: Switching Voltage Regulators
Description: Driver; DC/DC converter; 3.5A; 5.1÷50V; Channels:1; Uoper:8÷55V
Datasheet: L4973V5.1 Datasheet (PDF)
This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges



Price (USD)
1: USD 5.9475 ea
Line Total: USD 5.95 
Availability - 7
Ship by Wed. 01 Jan to Mon. 06 Jan
MOQ: 1  Multiples: 1
Pack Size: 1
Availability Price Quantity
7
Ship by Wed. 01 Jan to Mon. 06 Jan
MOQ : 1
Multiples : 1
1 : USD 5.9475
10 : USD 5.2445
30 : USD 4.8151
100 : USD 4.4566

   
Manufacturer
Product Category
Output Voltage
Output Current
Topology
Case
Mounting
Kind Of Integrated Circuit
Type Of Integrated Circuit
Number Of Channels
Efficiency
Frequency
Operating Voltage
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We are delighted to provide the L4973V5.1 from our Switching Voltage Regulators category, at competitive rates not only in the United States, Australia, and India, but also across Europe and beyond. A long established and extensive electronic component distribution network has enhanced our global reach and dependability, ensuring cost savings through prompt deliveries worldwide. Client satisfaction is at the heart of our business, where every component counts and every customer matters. Our technical service team is ready to assist you. From product selection to after-sales support, we strive to deliver a seamless and satisfying experience. Are you ready to experience the best in electronic component distribution? Contact X-ON Electronics today and discover why X-On are a preferred choice for the L4973V5.1 and other electronic components in the Switching Voltage Regulators category and beyond.

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L4973 3.5 A step down switching regulator Features Up to 3.5 A step down converter Operating input voltage from 8 V to 55 V 3.3 V and 5.1 V (1%) fixed output, and DIP-18 (12+3+3) SO-20 (12+4+4) adjustable outputs from: 0.5 V to 50 V (3.3 type) Description 5.1 V to 50 V (5.1 type) Frequency adjustable up to 300 kHz The L4973 is a step down monolithic power switching regulator delivering 3.5 A at fixed Voltage feed forward voltages of 3.3 V or 5.1 V and using a simple Zero load current operation (min. 1 mA) external divider output adjustable voltage up to Internal current limiting (pulse by pulse and 50V. Realized in BCD mixed technology, the HICCUP mode) device uses an internal power D-MOS transistor (with a typical R of 0.15 ) to obtain very DS(on) Precise 5.1 V (1.5%) reference voltage high efficiency and very fast switching times. externally available Switching frequency up to 300 kHz are achievable Input/output synchronization function (the maximum power dissipation of the packages Inhibit for zero current consumption (100 mA must be observed). typ. at V = 24 V) A wide input voltage range between 8 V to 55 V CC and output voltages regulated from 3.3 V to 40 V Protection against feedback disconnection cover the majority of the today applications. Thermal shutdown Features of this new generation of DC-DC Output over voltage protection converter includes pulse by pulse current limit, hiccup mode for output short circuit protection, Soft-start function voltage feed forward regulation, soft-start, input/output synchronization, protection against feedback loop disconnection, inhibit for zero current consumption and thermal shutdown. Packages available are in plastic dual in line, DIP- 18 (12+3+3) for standard assembly, and SO20 (12+4+4) for SMD assembly. Figure 1. Internal schematic diagram V (8V to 55V) CC C 7 8 12 BOOT R 9 OSC V (3.3V or 5.1V) L4973 O 1 3 C C2 L1 IN 4,5,6,10 2 13,14,15 16 17 11 R COMP C C D1 C OSC SS OUT C COMP D97IN554A February 2009 Rev 18 1/28 www.st.com 28Contents L4973 Contents 1 Block diagram 3 2 Pin settings 3 2.1 Pin connection 3 2.2 Pin description 4 3 Electrical data 5 3.1 Maximum ratings 5 3.2 Thermal data . 5 4 Electrical characteristics . 6 5 Evaluation board 9 6 Application circuit 12 7 Typical characteristics 13 8 Application ideas . 21 9 Package mechanical data 23 10 Order code 26 11 Revision history . 27 2/28

Tariff Desc

8542.31.00 51 No ..Application Specific (Digital) Integrated Circuits (ASIC)

Electronic integrated circuits: Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits
Monolithic integrated circuits:
C-Max (VA)
SG3
ST
ST MICROELECTRONICS
ST2
ST7
STM
STMICRELECTRONICS
STN
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