LTC3612IUDC#TRPBF

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LTC3612IUDC#TRPBF

IC REG BUCK ADJ 3A 20QFN

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Spécifications

Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 2.25V
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 0.6V
Voltage - Output (Max) 5.5V
Current - Output 3A
Frequency - Switching 300kHz ~ 4MHz
Synchronous Rectifier Yes
Operating Temperature -55°C ~ 150°C (TJ)
Mounting Type Surface Mount
Package / Case 20-WFQFN Exposed Pad
Supplier Device Package 20-QFN (3x4)
Base Product Number LTC3612

Vue d'ensemble

Description

The LTC3612IUDC#TRPBF is a high-performance, synchronous step-down DC-DC converter designed by Linear Technology (now part of Analog Devices). It is capable of delivering up to 3A of output current with a wide input voltage range, typically from 4.5V to 15V. The device features an integrated power switch, reducing external component count and simplifying design.
Key features include a switching frequency that can be set between 200kHz to 3MHz, which allows for flexibility in trade-offs between efficiency and size. It offers advanced features such as adjustable output voltage, a power good indicator, and short-circuit protection. The LTC3612 achieves high efficiency, making it suitable for various applications like portable devices, automotive, and industrial systems where compact design and thermal performance are critical.
The "TRPBF" suffix indicates that the part is available in a tape-and-reel package and is RoHS-compliant, making it suitable for environmentally friendly designs.

Features

The LTC3612IUDC#TRPBF is a high-performance, synchronous buck DC-DC converter designed for a wide range of applications. Key features include:
- Input Voltage Range: Operates from 2.5V to 15V, accommodating various power supply inputs.
- Output Current: Delivers up to 3A output current with high efficiency, minimizing power loss.
- High Efficiency: Achieves up to 95% efficiency, reducing thermal management issues.
- Adjustable Output Voltage: Output voltage can be set from 0.8V to 5V using external resistors.
- Low Quiescent Current: Features a low quiescent current, ideal for battery-powered applications.
- Fast Transient Response: Designed for fast load transients with minimal voltage deviation.
- Built-in Soft-Start: Prevents inrush current during startup.
- Thermal Shutdown: Integrated protection against over-temperature conditions.
- Small Package Size: Available in a compact 20-lead 4mm × 4mm QFN package, suitable for space-constrained applications.
These features make the LTC3612 suitable for high-density power supplies in telecommunications, automotive, and portable devices.

Package

The LTC3612IUDC#TRPBF is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package) with an exposed pad for enhanced thermal performance.

Pinout

The LTC3612IUDC#TRPBF is a dual output synchronous step-down DC-DC converter from Analog Devices' LTC series. It features a total of 16 pins.
Key functions of its pins include:
1. VIN - Input voltage supply.
2. GND - Ground connection.
3. SW - Switch node for the inductor.
4. VOUT1/VOUT2 - Outputs for the two independent voltage rails.
5. COMP - Compensation network for stability.
6. FB1/FB2 - Feedback pins for voltage regulation on each output.
7. MODE - Selects operation mode (pulse-skipping or forced continuous).
8. ISEN - Current sense pins for overcurrent protection.
9. SYNC/MODE - Synchronization input and mode selection.
10. LOOP - Loop compensation pin.
The LTC3612 is designed to provide high efficiency and low ripple in a compact form factor, making it suitable for various power management applications.

Manufacturer

The LTC3612IUDC#TRPBF is manufactured by Analog Devices, Inc. (ADI), a prominent multinational company known for its high-performance analog, mixed-signal, and digital signal processing (DSP) technologies. Founded in 1965, Analog Devices primarily focuses on designing and manufacturing semiconductors and integrated circuits used in various applications, including communications, automotive, industrial, and consumer electronics. The LTC3612 is a step-down DC/DC converter known for its efficiency and compact design, catering to applications requiring reliable power management solutions. ADI is recognized for its innovation and quality in the semiconductor industry.

Application

The LTC3612IUDC#TRPBF is a high-efficiency step-down DC-DC converter primarily used in applications such as power management for microcontrollers, FPGAs, and ASICs. It is suitable for portable devices, industrial equipment, telecommunications, and battery-powered systems due to its low quiescent current and high output current capabilities. Additional applications include voltage regulation in automotive systems and LED drivers.

Equivalent

The LTC3612IUDC#TRPBF is a step-down DC-DC regulator. Equivalent products include the Texas Instruments TPS54060, Analog Devices ADP2302, and the Maxim Integrated MAXM17500. While these alternatives may vary in specifications such as output current and voltage range, they serve similar functions in power management applications. Always check datasheets for compatibility in specific designs.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

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