LTC3545EUD-1#TRPBF

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LTC3545EUD-1#TRPBF

IC REG BUCK ADJ 800MA TRPL 16QFN

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Spécifications

Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 3
Voltage - Input (Min) 2.25V
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 0.6V
Voltage - Output (Max) 5.5V
Current - Output 800mA
Frequency - Switching 2.25MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 16-WFQFN Exposed Pad
Supplier Device Package 16-QFN (3x3)
Base Product Number LTC3545

Vue d'ensemble

Description

The LTC3545EUD-1#TRPBF is a high-efficiency, synchronous buck (step-down) DC-DC converter designed by Analog Devices. It is optimized for low-voltage applications that require precise output regulation with minimal space requirements. Key features include an input voltage range of 2.5V to 5.5V, making it suitable for battery-operated devices, and an output current capability of up to 1.5A. The device operates at a fixed frequency, typically around 2.25MHz, allowing for smaller external components, which aids in space-saving designs.
The LTC3545 includes a variety of protections such as over-current, thermal shutdown, and undervoltage lockout, ensuring robust operation in various environments. It features a low quiescent current, enhancing battery life in portable applications. Additionally, the device supports an adjustable output voltage down to 0.8V, making it versatile for powering microcontrollers and other low-voltage circuits. With its compact package and efficient performance, the LTC3545EUD-1#TRPBF is a popular choice for designers working on compact, energy-efficient power solutions.

Features

The LTC3545EUD-1#TRPBF is a high-efficiency, synchronous step-down DC-DC converter designed for battery-powered applications. Key features include:
1. Input Voltage Range: 2.5V to 15V, suitable for a variety of power sources.
2. Output Current: Capable of delivering up to 2A of output current.
3. Efficiency: High efficiency up to 95%, minimizing heat generation.
4. Adjustable Output Voltage: Output voltage adjustable from 0.8V to 10V.
5. Compact Size: Available in a 3mm x 3mm QFN package, ideal for space-constrained designs.
6. Programmable Soft-Start: Reduces inrush current during startup.
7. Power Good Indicator: Provides a signal to indicate the output voltage status.
8. Low Quiescent Current: Ensures extended battery life in portable applications.
9. Over-Temperature and Over-Current Protection: Ensures reliability and safety in operation.
These features make the LTC3545EUD-1 ideal for applications such as portable devices, wearable technology, and other battery-operated systems.

Package

The LTC3545EUD-1#TRPBF is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package). This package type is known for its compact size and is commonly used in applications requiring efficient space utilization on PCBs.

Pinout

The LTC3545EUD-1#TRPBF is a step-down (buck) DC/DC converter with a total of 16 pins. It is designed to deliver up to 1A of output current with high efficiency. The key functions of the pins include:
1. VIN (Pin 1): Supply voltage input.
2. SW (Pins 5, 6): Switching node connected to the inductor.
3. GND (Pins 2, 4, 15): Ground reference for the circuit.
4. LX (Pin 3): Inductor connection.
5. VOUT (Pin 7): Regulated output voltage.
6. FB (Pin 8): Feedback pin for voltage regulation.
7. COMP (Pin 9): Compensation for stability in the feedback loop.
8. SS (Pin 10): Soft-start control.
9. MODE (Pin 11): Mode selection for operation (PWM or Burst Mode).
10. PG (Pin 12): Power good indicator.
11. CT (Pin 13): Capacitor timing control for operation.
12. SENSE (Pin 14): Current sense input for overcurrent protection.
13. EN (Pin 16): Enable pin for turning the device on/off.
This converter is suitable for various applications requiring compact power management solutions.

Manufacturer

The manufacturer of the LTC3545EUD-1#TRPBF is Analog Devices, Inc. (ADI). Analog Devices is a leading global company specializing in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves a wide range of industries, including communications, automotive, industrial automation, healthcare, and consumer electronics. ADI's products are used in various applications such as data acquisition, signal processing, and power management, making it a critical player in the semiconductor industry.

Application

The LTC3545EUD-1#TRPBF is a high-efficiency buck-boost DC-DC converter used in various applications including portable devices, battery-powered equipment, and energy harvesting systems. It is suitable for powering low voltage microcontrollers, sensors, and RF modules, making it ideal for consumer electronics, automotive, and IoT applications, where efficient power management is critical.

Equivalent

Equivalent products to the LTC3545EUD-1#TRPBF include the TPS563201 from Texas Instruments, the LM3671 from Texas Instruments, and the MAX16046 from Maxim Integrated. These alternatives provide similar step-down (buck) converter functionalities and specifications. Always verify the specific requirements and ratings to ensure compatibility for your application.

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.

Paiements

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