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LTC7802EUFDM#TRPBF

Name: LTC7802EUFDM#TRPBF
Rating: 4.7 (12 reviews)

40V, LOW IQ DUAL PHSE SYCH STP-D

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仕様

Part Status	Active
Output Type	Transistor Driver
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Number of Outputs	2
Output Phases	2
Voltage - Supply (Vcc/Vdd)	4.5V ~ 40V
Frequency - Switching	100kHz ~ 3MHz
Duty Cycle (Max)	99%
Synchronous Rectifier	Yes
Clock Sync	Yes
Control Features	Enable, Frequency Control, Power Good, Soft Start, Tracking
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount, Wettable Flank
Package / Case	28-WFQFN Exposed Pad
Supplier Device Package	28-QFN (4x5)
Base Product Number	LTC7802

概要

Description

The LTC7802EUFDM#TRPBF is a high-performance synchronous step-down DC-DC controller from Analog Devices, designed for efficient power management in various applications. It features a wide input voltage range and can deliver high output currents, making it suitable for industrial, automotive, and telecommunications applications. The device incorporates advanced control techniques for improved transient response and load regulation, and it supports both voltage and current mode operation.
Key features include an integrated gate driver for external MOSFETs, programmable switching frequency, and various protection mechanisms such as overvoltage, overcurrent, and thermal shutdown. The LTC7802 also supports power-good signals and can be configured for parallel operation to increase output current.
With its compact package and high efficiency, the LTC7802 is ideal for applications requiring reliable power conversion with a small footprint.

Features

The LTC7802EUFDM#TRPBF is a high-performance DC/DC controller designed for a wide range of applications. Key features include:
1. Synchronous Buck Controller: Supports high-efficiency step-down voltage regulation.
2. Wide Input Voltage Range: Operates from 4.5V to 60V, making it suitable for various power sources.
3. Programmable Output Voltage: Adjustable output voltage down to 0.8V.
4. High Efficiency: Achieves efficiencies up to 95% through synchronous operation.
5. Fast Transient Response: Features a fast transient response suitable for dynamic loads.
6. Integrated Power Good Indicator: Provides a signal indicating the output voltage is within an acceptable range.
7. Enable and Soft-Start: Built-in soft-start feature to minimize inrush currents.
8. Compensation Network: Internal compensation simplifies design.
9. Thermal Shutdown Protection: Protects the device from overheating.
This versatility and performance make it well-suited for automotive, industrial, and telecommunications applications.

Package

The LTC7802EUFDM#TRPBF is offered in a 16-lead, 3mm x 3mm, Thin QFN (TQFN) package. This compact surface-mount package is designed for efficient thermal performance and space-saving in applications.

Pinout

The LTC7802EUFDM#TRPBF is a dual synchronous step-down (buck) DC-DC converter with a pin count of 32.
Key functions include:
- Power Management: It regulates output voltage and provides high efficiency for power supply applications.
- Dual Outputs: Capable of supplying two independent regulated outputs from a single input.
- Voltage Regulation: Features adjustable output voltage and current limiting.
- Sync Capability: Supports synchronization with an external clock for low ripple and noise.
- Soft-Start: Includes a soft-start function to reduce inrush current during startup.
- Fault Protection: Offers overvoltage, overcurrent, and thermal shutdown protection.
- Frequency Control: Allows users to set the switching frequency for optimized performance.
The device is suited for applications in telecommunications, industrial, and automotive power management systems.

Manufacturer

The LTC7802EUFDM#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a global company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, it is headquartered in Norwood, Massachusetts. The company serves various sectors, including communications, automotive, industrial, and consumer electronics, providing solutions for signal processing, power management, and data conversion. The LTC7802 is a buck converter designed for efficient power management in various applications, showcasing Analog Devices' expertise in power solutions.

Application

The LTC7802EUFDM#TRPBF is a high-performance DC-DC step-down controller used in various applications, including industrial power supplies, telecom equipment, automotive systems, and battery-powered devices. It is suitable for powering microcontrollers, FPGAs, DSPs, and other digital circuits that require efficient voltage regulation. Its features support high efficiency and versatility in managing diverse load conditions.

Equivalent

The LTC7802EUFDM#TRPBF is a high-performance synchronous step-down DC-DC regulator. Equivalent products include the Texas Instruments TPS563202, Analog Devices ADP2302, and Microchip MCP16301. These alternatives offer similar voltage regulation capabilities, efficiency, and feature sets, but always check specific parameters and application needs before substitution.