LT8365

RECOMMENDED FOR NEW DESIGNS

Low IQ Boost/SEPIC/Inverting Converter with 1.5A, 150V Switch 

Data Sheet (Rev. A) Product Selection Table
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Overview

  • Wide Input Voltage Range: 2.8V to 60V
  • Ultralow Quiescent Current and Low Ripple Burst Mode® Operation: IQ = 9µA
  • 1.5A, 150V Power Switch
  • Positive or Negative Output Voltage Programming with a Single Feedback Pin
  • Programmable Frequency (100kHz to 500kHz)
  • Synchronizable to an External Clock
  • Spread Spectrum Frequency Modulation for Low EMI
  • BIAS Pin for Higher Efficiency
  • Programmable Undervoltage Lockout (UVLO)
  • Thermally Enhanced 16-lead MSOP Package
  • AEC-Q100 Qualified for Automotive Applications
LT8365
Low IQ Boost/SEPIC/Inverting Converter with 1.5A, 150V Switch 
LT8365 Application Circuit LT8365 Performance Graph LT8365 Pin Configuration
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Documentation

Data Sheet 1

User Guide 2

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Software Resources

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Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

  • LT8365

LTpowerCAD

Design tools for the following parts are available in LTpowerCAD:

  • LT8365
LTspice

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

eval board
schematic 1
schematic 2
schematic 3
DC2838A

LT8365 Demo Board | Low IQ Boost/SEPIC/Inverting Regulator with 150V, 1.5A Switch

Buy Now View Details

Product Details

Demonstration circuit 2838A features the LT8365 in a boost configuration. It operates with a switching frequency of 400kHz and is designed to convert a 9V to 30V source to 250V, with 10mA output current.

The demo board contains an optional third charge pump stage for applications requiring higher output voltages. If needed, remove R14 and install optional components. Output voltage sensing connections remain the same.

The LT8365 can be used for different topologies with input voltages up to 60V. However, component selection in this demo circuit restricts the input voltage to 30V.

The demo board contains a selectable jumper, JP1, to aid in the selection of the desired sync pin mode of operation. The default setting is Burst Mode® operation.

This layout is optimized for good EMI performance and small solution size. Input and output filters are necessary for CISPR 25 Class 5 emissions. Radiated emissions plots are included in this manual.

The data sheet gives a complete description of the device, operation and application information. The data sheet must be read in conjunction with this demo manual.

eval board
schematic 4
schematic 5
schematic 6
DC2838A

LT8365 Demo Board | Low IQ Boost/SEPIC/Inverting Regulator with 150V, 1.5A Switch

Buy Now View Details

Product Details

Demonstration circuit 2838A features the LT8365 in a boost configuration. It operates with a switching frequency of 400kHz and is designed to convert a 9V to 30V source to 250V, with 10mA output current.

The demo board contains an optional third charge pump stage for applications requiring higher output voltages. If needed, remove R14 and install optional components. Output voltage sensing connections remain the same.

The LT8365 can be used for different topologies with input voltages up to 60V. However, component selection in this demo circuit restricts the input voltage to 30V.

The demo board contains a selectable jumper, JP1, to aid in the selection of the desired sync pin mode of operation. The default setting is Burst Mode® operation.

This layout is optimized for good EMI performance and small solution size. Input and output filters are necessary for CISPR 25 Class 5 emissions. Radiated emissions plots are included in this manual.

The data sheet gives a complete description of the device, operation and application information. The data sheet must be read in conjunction with this demo manual.

eval board
schematic 7
schematic 8
schematic 9
schematic 10
DC2840A

LT8365 Demo Board | Inverting Converter, 9V ≤ VIN ≤ 30V, -250VOUT @ up to 10mA

Buy Now View Details

Product Details

Demonstration circuit 2840A features the LT8365 in a Boost inverting configuration. It operates with a switching frequency of 400kHz and is designed to convert a 9V to 30V source to −250V, with 10mA output current.

The demo board contains an optional third charge pump stage for applications requiring higher output voltages. If needed, remove R14 and install optional components. Output voltage sensing connections remain the same.

The LT8365 can be used for different topologies with input voltages up to 60V. However, component selection in this demo circuit restrict the input voltage to 30V.

The demo board contains a selectable jumper, JP1, to aid in the selection of the desired Sync pin mode of operation. The default setting is Burst Mode® operation.

This layout is optimized for good EMI performance and small solution size. Input and output filters are necessary for CISPR 25 Class 5 emissions. Radiated emissions plots are included in this manual.

The data sheet gives a complete description of the device, operation and application information. The data sheet must be read in conjunction with this demo manual.

eval board
schematic 11
schematic 12
schematic 13
schematic 14
DC2840A

LT8365 Demo Board | Inverting Converter, 9V ≤ VIN ≤ 30V, -250VOUT @ up to 10mA

Buy Now View Details

Product Details

Demonstration circuit 2840A features the LT8365 in a Boost inverting configuration. It operates with a switching frequency of 400kHz and is designed to convert a 9V to 30V source to −250V, with 10mA output current.

The demo board contains an optional third charge pump stage for applications requiring higher output voltages. If needed, remove R14 and install optional components. Output voltage sensing connections remain the same.

The LT8365 can be used for different topologies with input voltages up to 60V. However, component selection in this demo circuit restrict the input voltage to 30V.

The demo board contains a selectable jumper, JP1, to aid in the selection of the desired Sync pin mode of operation. The default setting is Burst Mode® operation.

This layout is optimized for good EMI performance and small solution size. Input and output filters are necessary for CISPR 25 Class 5 emissions. Radiated emissions plots are included in this manual.

The data sheet gives a complete description of the device, operation and application information. The data sheet must be read in conjunction with this demo manual.
DC2838A
LT8365 Demo Board | Low IQ Boost/SEPIC/Inverting Regulator with 150V, 1.5A Switch
DC2838A DC2838A DC2838A
DC2838A
LT8365 Demo Board | Low IQ Boost/SEPIC/Inverting Regulator with 150V, 1.5A Switch
DC2838A DC2838A DC2838A
DC2840A
LT8365 Demo Board | Inverting Converter, 9V ≤ VIN ≤ 30V, -250VOUT @ up to 10mA
DC2840A DC2840A DC2840A DC2840A
DC2840A
LT8365 Demo Board | Inverting Converter, 9V ≤ VIN ≤ 30V, -250VOUT @ up to 10mA
DC2840A DC2840A DC2840A DC2840A

Reference Designs
CN0586
Precision High Voltage Bipolar Analog Output Module
Figure 1. Circuit Diagram.
eval cn0586 ardz angle
eval cn0586 ardz bottom
eval cn0586 ardz top

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