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ADI LT8643SEV#PBF
Switching Voltage Regulators 42V, 6A Synchronous Step-Down Silent Switcher 2 with 2.5?A Quiescent Current
Brands: Analog Devices, Inc
Mfr.Part #: LT8643SEV#PBF
Datasheet: LT8643SEV#PBF Datasheet (PDF)
Package/Case: LQFN-24
Product Type: Power Management ICs
LT8643SEV#PBF General Description
The LT8640S/LT8643S synchronous step-down regulator features second generation Silent Switcher architecture designed to minimize EMI emissions while delivering high efficiency at high switching frequencies. This includes the integration of bypass capacitors to optimize all the fast current loops inside and make it easy to achieve advertised EMI performance by reducing layout sensitivity. This performance makes the LT8640S/LT8643S ideal for noise-sensitive applications and environments.
Features
- Silent Switcher ®2 Architecture
- Ultralow EMI Emissions on Any PCB
- Eliminates PCB Layout Sensitivity
- Internal Bypass Capacitors Reduce Radiated EMI
- Optional Spread Spectrum Modulation
- High Efficiency at High Frequency
- Up to 96% Efficiency at 1MHz, 12VIN to 5VOUT
- Up to 95% Efficiency at 2MHz, 12VIN to 5VOUT
- Wide Input Voltage Range: 3.4V to 42V
- 6A Maximum Continuous, 7A Peak Output
- Ultralow Quiescent Current Burst Mode® Operation
Application
- Automotive and Industrial Supplies
- General Purpose Step-Down
Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Pin Count | 32 | Package Category | Other |
| Released Date | Mar 19, 2021 | Last Modified Date | Jun 16, 2023 6:25 AM UTC |
| Series | Silent Switcher®2 | Package | Tray |
| Product Status | Active | Function | Step-Down |
| Output Configuration | Positive | Topology | Buck |
| Output Type | Adjustable | Number of Outputs | 1 |
| Voltage - Input (Min) | 3.4V | Voltage - Input (Max) | 42V |
| Voltage - Output (Min/Fixed) | 0.97V | Voltage - Output (Max) | 42V |
| Current - Output | 6A | Frequency - Switching | 200kHz ~ 3MHz |
| Synchronous Rectifier | Yes | Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount | Package / Case | 24-TFQFN Exposed Pad |
| Supplier Device Package | 24-LQFN (4x4) |
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 |
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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 |
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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 | |
|---|---|---|
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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 LT8643SEV#PBF chip is a synchronous step-down regulator designed by Analog Devices. It operates over a wide input voltage range and delivers high efficiency and low ripple output. The chip features a constant frequency, peak current mode control architecture and can provide up to 8A of continuous output current. It also includes various protection features like overvoltage and overcurrent protection, making it suitable for a wide range of applications.
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Features
The LT8643SEV#PBF is a synchronous step-down switching regulator with an input voltage range of 3V to 42V. It can deliver up to 3.5A of continuous output current with high efficiency. It features a programmable switching frequency, low quiescent current, and a wide output voltage range. Additionally, it offers integrated protection features such as overcurrent and overtemperature protection. -
Pinout
The LT8643SEV#PBF is a 48-pin thermally enhanced package. It is an integrated circuit (IC) that serves as a synchronous step-down regulator. The pin count and function correspond to the specific design and manufacturer specifications of the LT8643SEV#PBF. Additional details about the pinout and function can be found in the datasheet provided by the manufacturer. -
Manufacturer
Analog Devices, Inc. is the manufacturer of the LT8643SEV#PBF. It is an American semiconductor company that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing (DSP) integrated circuits used in various applications, including industrial, automotive, and consumer electronics. -
Application Field
The LT8643SEV#PBF is a step-down voltage regulator that can be used in a variety of applications such as automotive, industrial, and telecommunication systems. It offers high efficiency, a wide input voltage range, and a compact size, making it suitable for battery-powered devices and other power management needs. -
Package
The LT8643SEV#PBF chip has a package type of LQFN, its form is surface mount, and it has a size of 4mm x 4mm.
Datasheet PDF
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