LT8608EMSE#PBF
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Analog Devices Inc. LT8608EMSE#PBF

Manufacturer No:
LT8608EMSE#PBF
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC REG BUCK ADJ 1.5A 10MSOP
Delivery:
Payment:
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Product Introduction

Overview

The LT8608EMSE#PBF from Analog Devices Inc. is a compact, high-efficiency, high-speed synchronous monolithic step-down switching regulator. This regulator is designed to operate with a wide input voltage range of 3.0V to 42V and offers an ultralow quiescent current of 1.7µA, making it highly suitable for power-efficient applications. The device is available in various package options, including the 10-lead MSOP and 8-lead DFN packages, each with different operational modes such as Burst Mode and pulse-skipping.

Key Specifications

Parameter Conditions Min Typ Max Units
Minimum Input Voltage 2.5 3.0 3.2 V
Quiescent Current VEN/UV = 0V, VSYNC = 0V 1 1.7 4 µA
Output Current 1.5 A
Operating Junction Temperature Range –40°C 125°C (E, I), 150°C (H) °C
Switching Frequency 200kHz 2.2MHz
Efficiency At 0.5A, 5VOUT from 12VIN >92% %

Key Features

  • High efficiency with >92% efficiency at 0.5A, 5VOUT from 12VIN.
  • Ultralow quiescent current of 1.7µA, making it suitable for battery-powered devices.
  • Wide input voltage range of 3.0V to 42V.
  • Adjustable and synchronizable switching frequency from 200kHz to 2.2MHz.
  • Spread Spectrum Frequency Modulation for low EMI.
  • Peak current mode operation and fast minimum switch-on time of 35ns.
  • Low dropout and allows the use of small inductors.
  • Available in 10-lead MSOP and 8-lead DFN packages with different operational modes (Burst Mode, pulse-skipping).

Applications

  • Battery-powered devices due to its ultralow quiescent current.
  • Automotive systems requiring high input voltage range and efficiency.
  • Industrial power supplies where high efficiency and low EMI are crucial.
  • Portable electronics and handheld devices where power efficiency is a priority.

Q & A

  1. What is the input voltage range of the LT8608EMSE#PBF?

    The input voltage range is 3.0V to 42V.

  2. What is the quiescent current of the LT8608EMSE#PBF?

    The quiescent current is 1.7µA.

  3. What is the maximum output current of the LT8608EMSE#PBF?

    The maximum output current is 1.5A.

  4. What are the available package options for the LT8608EMSE#PBF?

    The device is available in 10-lead MSOP and 8-lead DFN packages.

  5. What is the switching frequency range of the LT8608EMSE#PBF?

    The switching frequency is adjustable and synchronizable from 200kHz to 2.2MHz).

  6. Does the LT8608EMSE#PBF support Spread Spectrum Frequency Modulation?
  7. What is the minimum switch-on time of the LT8608EMSE#PBF?

    The minimum switch-on time is 35ns).

  8. Is the LT8608EMSE#PBF suitable for automotive applications?
  9. Can the LT8608EMSE#PBF be used in battery-powered devices?
  10. What is the operating junction temperature range of the LT8608EMSE#PBF?

Product Attributes

Function:Step-Down
Output Configuration:Positive
Topology:Buck
Output Type:Adjustable
Number of Outputs: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
Synchronous Rectifier:Yes
Operating Temperature:-40°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Package / Case:10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package:10-MSOP-EP
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Similar Products

Part Number LT8608EMSE#PBF LT8609EMSE#PBF LT8608IMSE#PBF LT8608HMSE#PBF LT8606EMSE#PBF LT8607EMSE#PBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Active Active Active Active
Function Step-Down Step-Down Step-Down Step-Down Step-Down Step-Down
Output Configuration Positive Positive Positive Positive Positive Positive
Topology Buck Buck Buck Buck Buck Buck
Output Type Adjustable Adjustable Adjustable Adjustable Adjustable Adjustable
Number of Outputs 1 1 1 1 1 1
Voltage - Input (Min) 3V 3V 3V 3V 3V 3V
Voltage - Input (Max) 42V 42V 42V 42V 42V 42V
Voltage - Output (Min/Fixed) 0.778V 0.782V 0.778V 0.778V 1.8V 1.8V
Voltage - Output (Max) 42V 42V 42V 42V 12V 12V
Current - Output 1.5A 3A 1.5A 1.5A 350mA 750mA
Frequency - Switching 200kHz ~ 2MHz 200kHz ~ 2.2MHz 200kHz ~ 2MHz 200kHz ~ 2MHz 200kHz ~ 2MHz 200kHz ~ 2.2MHz
Synchronous Rectifier Yes Yes Yes Yes Yes Yes
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 150°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package 10-MSOP-EP 10-MSOP-EP 10-MSOP-EP 10-MSOP-EP 10-MSOP-EP 10-MSOP-EP

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