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ST L4973D5.1
Buck Switching Regulator IC Positive Adjustable (Fixed) 5.1V (5.1V) 1 Output 3.5A 20-SOIC (0.295", 7.50mm Width)
Brands: STMicroelectronics, Inc
Mfr.Part #: L4973D5.1
Datasheet: L4973D5.1 Datasheet (PDF)
Package/Case: SOP-20
RoHS Status:
Stock Condition: 3863 pcs, New Original
Product Type: Power Management ICs
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*All prices are in USD
| Qty | Unit Price | Ext Price |
|---|---|---|
| 1 | $5.309 | $5.309 |
| 10 | $4.663 | $46.630 |
| 40 | $4.268 | $170.720 |
| 80 | $3.938 | $315.040 |
In Stock:3863 PCS
L4973D5.1 General Description
Inhibit for zero current consumption (100mA at VCC= 24V)Input/output synchronization functionThermal shutdownProtection against feedback disconnectionSoft start functionOutput over voltage protectionInternal current limiting (pulse by pulse and HICCUP mode)Zero load current operation (min 1mA)Up to 3.5A step down converter3.3V and 5.1V (±1%) fixed output, and adjustable outputs from:0.5V to 50V (3.3 type)5.1V to 50V (5.1 type)Operating input voltage from 8V to 55VVoltage feed forwardPrecise 5.1V (1.5%) reference voltage externally availableFrequency adjustable up to 300kHz
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Manufacturer: | STMicroelectronics | Product Category: | Switching Voltage Regulators |
| RoHS: | Y | Mounting Style: | SMD/SMT |
| Package / Case: | SOIC-20 | Output Voltage: | 5.1 V |
| Output Current: | 3.5 A | Number of Outputs: | 1 Output |
| Input Voltage MAX: | 55 V | Topology: | Buck |
| Input Voltage MIN: | 8 V | Switching Frequency: | 100 kHz |
| Series: | L4973 | Packaging: | Tube |
| Input Voltage: | 8 V to 55 V | Type: | Step-Down |
| Brand: | STMicroelectronics | Moisture Sensitive: | Yes |
| Product Type: | Switching Voltage Regulators | Factory Pack Quantity: | 1000 |
| Subcategory: | PMIC - Power Management ICs | Unit Weight: | 0.009408 oz |
| Tags | L4973D5.1, L4973D5, L4973D, L4973, L497, L49 | feature-type | Step Down |
| feature-maximum-power-dissipation-mw | feature-packaging | Tube | |
| feature-rad-hard | feature-pin-count | 20 | |
| feature-supplier-package | SO | feature-standard-package-name1 | SO |
| feature-cecc-qualified | No | feature-esd-protection | |
| feature-escc-qualified | feature-military | No | |
| feature-aec-qualified | No | feature-aec-qualified-number | |
| feature-auto-motive | No | feature-p-pap | No |
| feature-eccn-code | EAR99 | feature-svhc | No |
| feature-svhc-exceeds-threshold | No |
Shipping
| Shipping Type | Ship Fee | Lead Time | |
|---|---|---|---|
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DHL | $20.00-$40.00 (0.50 KG) | 2-5 days |
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Fedex | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
UPS | $20.00-$40.00 (0.50 KG) | 2-5 days |
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TNT | $20.00-$40.00 (0.50 KG) | 2-5 days |
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EMS | $20.00-$40.00 (0.50 KG) | 2-5 days |
 |
REGISTERED AIR MAIL | $20.00-$40.00 (0.50 KG) | 2-5 days |
Processing Time：Shipping fee depend on different zone and country.
Payment
| Terms of payment | Hand Fee | |
|---|---|---|
 |
Wire Transfer | charge US$30.00 banking fee. |
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Paypal | charge 4.0% service fee. |
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Credit Card | charge 3.5% service fee. |
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Western Union | charge US.00 banking fee. |
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Money Gram | charge US$0.00 banking fee. |
Guarantees
1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
Packing
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Step1 :Product
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Step2 :Vacuum packaging
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Step3 :Anti-static bag
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Step4 :Individual packaging
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Step5 :Packaging boxes
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Step6 :bar-code shipping tag
All the products will packing in anti-staticbag. Ship with ESD antistatic protection.
Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.
We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.
After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.
Part points
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The L4973D5.1 is a voltage regulator integrated circuit (IC) commonly used in electronic devices. It provides a regulated output voltage of 5.1V, making it suitable for powering microcontrollers, digital circuits, and other low voltage components. This chip is designed to handle high currents and features built-in protection mechanisms such as overcurrent and thermal shutdown. Overall, the L4973D5.1 is a reliable and efficient solution for voltage regulation in various applications.
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Equivalent
Some equivalent products of the L4973D5.1 chip include the STMC L4973BD, the ON Semiconductor NCP1606BDR2G, and the Taiwan Semiconductor TS4973 High Efficiency Single Output. -
Features
The L4973D5.1 is a voltage regulator IC with a fixed output voltage of 5.1V. It has a wide input voltage range of 8-60V and is capable of delivering a maximum output current of 5A. The device includes built-in protection features such as overtemperature, overcurrent, and short-circuit protection, ensuring safe and reliable operation. -
Pinout
The L4973D5.1 is a 5.1V voltage regulator IC with a TO-220 package. It has 7 pins, including VIN (input voltage), GND (ground), VOUT (output voltage), COMP (compensation), FB (feedback), ADJ (adjustment), and SD (shutdown). It provides a regulated output voltage and acts as a power supply for various electronic devices or systems. -
Manufacturer
The manufacturer of the L4973D5.1 is STMicroelectronics. It is a semiconductor company that designs and manufactures a wide range of products, including microcontrollers, sensors, power management, and other electronic components. They are known for providing innovative and reliable solutions for various industries such as automotive, industrial, consumer electronics, and more. -
Application Field
The L4973D5.1 is a highly efficient step-down switching regulator designed for use in various applications including industrial and consumer electronics, telecom systems, and power management modules. With its low standby power consumption and high output current capability, it is particularly suited for applications requiring high levels of power efficiency and reliability. -
Package
The L4973D5.1 chip is available in a TO-220 package type, in a SIP-9 form (Single In-line Package with 9 pins), and has a size of approximately 5.2mm x 10.2mm.
Datasheet PDF
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Cost-effective option for our project.