LT8714
Info : RECOMMENDED FOR NEW DESIGNS
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LT8714

Bipolar Output Synchronous Controller with Seamless Four Quadrant Operation

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Info : RECOMMENDED FOR NEW DESIGNS tooltip
Info : RECOMMENDED FOR NEW DESIGNS tooltip
Part Details
Part Models 4
1ku List Price Starting From $4.37
Features
  • Bipolar Output Cleanly Transitions Through 0V
  • Output Can Source or Sink Current for Any Output Voltage
  • CTRL Pin Externally Sets Output Voltage
  • Wide Input Range: 4.5V to 80V
  • Power Good Indication Pin (PG)
  • Switching Frequency Up to 750kHz
  • Can Be Synchronized to an External Clock
  • High Gain EN Pin Accepts Slowly Varying Input Signals
  • 20-Lead TSSOP Exposed Pad Package
Additional Details
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The LT8714 is a synchronous PWM DC/DC controller designed for a four quadrant output converter. The output voltage cleanly transitions through zero volts with sourcing and sinking output current capability.

The LT8714 is ideal for regulating to positive, negative, or zero volts when configured for the novel four quadrant topology. Applications include four quadrant power supplies, high power bidirectional current sources, active loads, and high power, low frequency signal amplification. In addition, the LT8714 incorporates a power good feature to let the user know if VOUT is above or below its target regulation voltage.

The LT8714’s switching frequency range can be programmed between 100kHz and 750kHz via a resistor from the RT pin to GND. A SYNC pin is also provided if the user would like to synchronize the part to an external clock. Additional features such as current limiting and soft-start are included. The LT8714 is available in a 20‑lead TSSOP package.

Applications

  • Four Quadrant Power Supplies
  • Bidirectional Current Sources
  • High Power, Low Frequency Signal Amplification
  • Test and Measurement
  • Electronic Window Tinting
Part Models 4
1ku List Price Starting From $4.37

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
LT8714EFE#PBF
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LT8714EFE#TRPBF
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LT8714IFE#PBF
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LT8714IFE#TRPBF
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Product Lifecycle

PCN

Apr 6, 2022

- 22_0068

Laser Top Mark for ETSSOP and TSSOP Packages Assembled in ADPG [PNG] and UTL

LT8714EFE#PBF

PRODUCTION

LT8714EFE#TRPBF

PRODUCTION

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Filter by Model

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Part Models

Product Lifecycle

PCN

Apr 6, 2022

- 22_0068

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Laser Top Mark for ETSSOP and TSSOP Packages Assembled in ADPG [PNG] and UTL

LT8714EFE#PBF

PRODUCTION

LT8714EFE#TRPBF

PRODUCTION

LT8714IFE#PBF

PRODUCTION

LT8714IFE#TRPBF

PRODUCTION

Software & Part Ecosystem

Software & Part Ecosystem

Evaluation Kit

Evaluation Kits 1

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DC2240A

LT8714EFE Demo Board | Synchronous 4-Quadrant Controller, 10V ≤ VIN ≤ 14V, -5V ≤ VOUT ≤ 5V @ 5A

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DC2240A

LT8714EFE Demo Board | Synchronous 4-Quadrant Controller, 10V ≤ VIN ≤ 14V, -5V ≤ VOUT ≤ 5V @ 5A

LT8714EFE Demo Board | Synchronous 4-Quadrant Controller, 10V ≤ VIN ≤ 14V, -5V ≤ VOUT ≤ 5V @ 5A

Product Detail

Demonstration circuit 2240A is a synchronous four quadrant converter featuring the LT8714 switching controller. The LT8714 can regulate to positive, negative, or zero volts when configured as a four-quadrant topology. The DC2240A regulates from a 10V to 14V input source to an adjustable output voltage from positive 5V to negative 5V with a 5A maximum current rating.

Tools & Simulations

Tools & Simulations 1

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.

To launch ready-to-run LTspice demonstration circuits for this part:

Step 1: Download and install LTspice on your computer.

Step 2: Click on the link in the section below to download a demonstration circuit.

Step 3: If LTspice does not automatically open after clicking the link below, you can instead run the simulation by right clicking on the link and selecting “Save Target As.” After saving the file to your computer, start LTspice and open the demonstration circuit by selecting ‘Open’ from the ‘File’ menu.

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