LT8331EMSE#PBF
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Analog Devices Inc. LT8331EMSE#PBF

Manufacturer No:
LT8331EMSE#PBF
Manufacturer:
Analog Devices Inc.
Package:
Tube
Description:
IC REG MULTI CONFG ADJ 16MSOP
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The LT8331EMSE#PBF from Analog Devices Inc. is a versatile, low IQ (quiescent current) DC/DC converter that supports multiple topologies including boost, SEPIC, flyback, and inverting configurations. This device features a 0.5A, 140V internal power switch and operates from a wide input voltage range of 4.5V to 100V. It is designed to provide high efficiency and flexibility in various power management applications. The LT8331 is particularly useful in scenarios where a single feedback pin architecture is beneficial, simplifying the design process and reducing component count.

Key Specifications

Parameter Value Unit
Input Voltage Range 4.5 to 100 V
Switch Voltage Rating 140 V
Maximum Switch Current 0.5 A
Switching Frequency Up to 500 kHz kHz
Output Voltage Range 1.6 to 140 V
Maximum Output Current 0.7 A (typical) A
Minimum Operating Temperature -40 °C
Maximum Operating Temperature 125 °C
Package Type MSOP-16
RoHS Compliance Yes

Key Features

  • Single feedback pin architecture for simplified design and reduced component count.
  • Supports multiple topologies: boost, SEPIC, flyback, and inverting converters.
  • Low quiescent current (IQ) for high efficiency in low power applications.
  • Wide input voltage range of 4.5V to 100V, making it versatile for various power sources.
  • Internal 0.5A, 140V power switch, eliminating the need for external switches.
  • Programmable switching frequency up to 500 kHz.
  • AUTO shutdown feature for power management.
  • Exposed pad for improved thermal performance and reduced die temperature.

Applications

  • Industrial power supplies and converters.
  • Automotive systems, including those requiring automotive-grade reliability.
  • Medical devices, where the component's specifications meet medical safety standards.
  • Telecommunications and networking equipment.
  • Consumer electronics requiring efficient and compact power solutions.
  • Renewable energy systems, such as solar and wind power inverters.

Q & A

  1. What is the input voltage range of the LT8331EMSE#PBF?

    The input voltage range is from 4.5V to 100V.

  2. What are the supported topologies for the LT8331EMSE#PBF?

    The device supports boost, SEPIC, flyback, and inverting converter topologies.

  3. What is the maximum switch voltage rating of the LT8331EMSE#PBF?

    The maximum switch voltage rating is 140V.

  4. What is the typical output current of the LT8331EMSE#PBF?

    The typical output current is up to 0.7A.

  5. What is the switching frequency range of the LT8331EMSE#PBF?

    The switching frequency can be programmed up to 500 kHz.

  6. Is the LT8331EMSE#PBF RoHS compliant?

    Yes, the LT8331EMSE#PBF is RoHS compliant.

  7. What is the operating temperature range of the LT8331EMSE#PBF?

    The operating temperature range is from -40°C to 125°C.

  8. What package type is the LT8331EMSE#PBF available in?

    The device is available in an MSOP-16 package.

  9. Does the LT8331EMSE#PBF have an exposed pad for thermal management?

    Yes, it has an exposed pad to improve thermal performance and reduce die temperature.

  10. Is the LT8331EMSE#PBF suitable for automotive applications?

    Yes, versions of this part are available with controlled manufacturing to support automotive applications.

Product Attributes

Function:Step-Up, Step-Up/Step-Down
Output Configuration:Positive or Negative, Isolation Capable
Topology:Boost, Flyback, SEPIC
Output Type:Adjustable
Number of Outputs:1
Voltage - Input (Min):4.5V
Voltage - Input (Max):100V
Voltage - Output (Min/Fixed):1.6V, -0.8V
Voltage - Output (Max):140V (Switch)
Current - Output:500mA (Switch)
Frequency - Switching:100kHz ~ 500kHz
Synchronous Rectifier:No
Operating Temperature:-40°C ~ 125°C (TJ)
Mounting Type:Surface Mount
Package / Case:16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad
Supplier Device Package:16-MSOP-EP
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Similar Products

Part Number LT8331EMSE#PBF LT8361EMSE#PBF LT8331IMSE#PBF
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Product Status Active Active Active
Function Step-Up, Step-Up/Step-Down Step-Up Step-Up, Step-Up/Step-Down
Output Configuration Positive or Negative, Isolation Capable Positive Positive or Negative, Isolation Capable
Topology Boost, Flyback, SEPIC Boost, SEPIC Boost, Flyback, SEPIC
Output Type Adjustable Adjustable Adjustable
Number of Outputs 1 1 1
Voltage - Input (Min) 4.5V 2.8V 4.5V
Voltage - Input (Max) 100V 60V 100V
Voltage - Output (Min/Fixed) 1.6V, -0.8V - 1.6V, -0.8V
Voltage - Output (Max) 140V (Switch) 100V (Switch) 140V (Switch)
Current - Output 500mA (Switch) 2A (Switch) 500mA (Switch)
Frequency - Switching 100kHz ~ 500kHz 300kHz ~ 2MHz 100kHz ~ 500kHz
Synchronous Rectifier No - No
Operating Temperature -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ) -40°C ~ 125°C (TJ)
Mounting Type Surface Mount Surface Mount Surface Mount
Package / Case 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad
Supplier Device Package 16-MSOP-EP 16-MSOP-EP 16-MSOP-EP

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