LT8608EMSE

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LT8608EMSE

+BOM

IC REG BUCK ADJ 1.5A 10MSOP

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Specifications

Attribute Value
Package Tube
ProductStatus Obsolete
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 3V
Voltage-Input(Max) 42V
Voltage-Output(Min/Fixed) 0.778V
Voltage-Output(Max) 42V
Current-Output 1.5A
Frequency-Switching 200kHz ~ 2MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) Exposed Pad

Overview

Description

The LT8608EMSE is a high-efficiency, monolithic step-down switching regulator designed by Analog Devices, under the Linear Technology brand. It is specifically engineered to deliver a constant output voltage from a wide input voltage range, making it suitable for automotive and industrial applications.
Key features include a 42V maximum input voltage, a 1.5A output current capability, and a low quiescent current, which enhances efficiency especially at light loads. The LT8608EMSE operates at a high switching frequency of up to 2.2MHz, allowing for smaller external components and a more compact design. It also supports Burst Mode operation, reducing power consumption during idle periods.
The device includes protection features such as thermal shutdown, current limit, and short-circuit protection. It comes in a thermally enhanced 10-lead MSOP package, ensuring efficient heat dissipation. The LT8608EMSE is ideal for applications requiring high efficiency, compact size, and reliable performance under varying input conditions.

Equivalent

The LT8608EMSE is a step-down regulator from Analog Devices. Equivalent products include the LM73605 from Texas Instruments, the MP1584 from Monolithic Power Systems, and the TPS54302 from Texas Instruments. These regulators share similar functionalities like high efficiency at low output currents, compact packaging, and low quiescent current, but differences in specifications like input voltage range and current output exist, so it's important to compare them based on the specific requirements of your application.

Features

The LT8608EMSE is a high-efficiency, synchronous monolithic step-down regulator from Analog Devices. It is designed to deliver up to 1.5A of continuous output current from a wide input voltage range of 3.0V to 42V. Key features include:
1. High Efficiency: Offers up to 93% efficiency, which minimizes thermal dissipation and enhances performance.
2. Low Quiescent Current: Consumes only 2.5µA during no-load conditions, making it ideal for battery-powered applications.
3. Fast Transient Response: The device's design supports fast transient response, improving system stability and performance under dynamic load changes.
4. Low Dropout Operation: Operates with a low dropout voltage, which extends battery life in portable applications.
5. Silent Switcher® Architecture: Minimizes electromagnetic interference (EMI) emissions, which is crucial for noise-sensitive environments.
6. Adjustable and Synchronizable Switching Frequency: Can be synchronized to an external clock within the range of 200kHz to 2.2MHz.
7. Compact Package: Available in a small thermally-enhanced MSOP-16 package, suitable for space-constrained designs.
These features make the LT8608EMSE a versatile choice for applications requiring efficient power conversion with minimal noise and compact form factor.

Pinout

The LT8608EMSE is a high-efficiency, monolithic step-down regulator designed by Analog Devices. It is housed in a 10-lead MSOP (Mini Small Outline Package) with an exposed pad for better thermal performance. The pin count for the LT8608EMSE is 10.
Key functions of the pins include:
1. VIN: Input voltage supply.
2. SW: Switch node, the output of internal power switch.
3. GND: Ground.
4. BST: Boost pin, connected externally to a capacitor to provide drive voltage higher than VIN.
5. VOUT: Output voltage feedback.
6. RT: A resistor connected to this pin sets the switching frequency.
7. SYNC/MODE: Allows synchronization to an external clock or selection of operating mode.
8. SS: Soft-start control pin for controlling the output voltage ramp-up time.
9. TR/SS: Tracking/Soft-Start.
10. PG: Power good indicator, an open-drain output that indicates when the output voltage is in regulation.
These pins collectively enable the LT8608EMSE to perform its step-down conversion efficiently, supporting its use in various applications requiring a compact and efficient voltage regulator.

Manufacturer

The LT8608EMSE is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design, manufacturing, and marketing of a broad range of integrated circuits. These circuits are used in electronic equipment to process analog and digital signals. Analog Devices is known for its high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company serves various industries, including automotive, communications, consumer electronics, healthcare, and industrial markets.

Application

The LT8608EMSE is a high-efficiency, monolithic step-down switching regulator. Its application areas include:
1. Automotive Systems: Ideal for powering infotainment systems, ADAS, and automotive sensors due to its wide input voltage range and robust performance.
2. Industrial Power Supplies: Used in factory automation, robotics, and industrial control systems.
3. Telecommunications: Suitable for powering remote radio heads and other telecom equipment.
4. Consumer Electronics: Utilized in devices requiring efficient power conversion, such as portable electronics and IoT devices.
5. Medical Devices: Applied where compact and efficient power management is critical.
Its compact size, low quiescent current, and high efficiency make it versatile for various applications requiring step-down voltage conversion.

Package

The LT8608EMSE is available in a thermally enhanced 10-lead MSOP package, specifically designated with the "MSE" suffix. This package type allows for efficient heat dissipation, making it suitable for compact and high-performance applications.

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