LT8315

PRODUCTION

560VIN Micropower No-Opto Isolated Flyback Converter with 630V/300mA Switch

Data Sheet Product Selection Table
Part Models
6
1ku List Price
Starting From $4.90
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Part Details

  • Wide Input Voltage Range: 18V to 560V
  • 630V/300mA Integrated Power Switch
  • No Opto-Isolator Required for Regulation
  • Quasi-Resonant Boundary Mode Operation
  • Constant-Current and Constant-Voltage Regulation
  • Low-Ripple Light Load Burst Mode® Operation
  • Low Quiescent Current: 70μA
  • Programmable Current Limit and Soft-Start
  • TSSOP Package with High Voltage Spacing
LT8315
560VIN Micropower No-Opto Isolated Flyback Converter with 630V/300mA Switch
20VIN to 450VIN Isolated 12VOUT Supply Efficiency Product Package 1
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 2

Technical Articles 3

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Hardware Ecosystem

Parts Product Life Cycle Description
High Voltage Hot Swap Controllers 1
LTM9100
PRODUCTION Anyside™ High Voltage Isolated Switch Controller with I2C Command and Telemetry
Surge Stopper, Overvoltage, and Overcurrent Protection 1
LTC4366
RECOMMENDED FOR NEW DESIGNS High Voltage Surge Stopper
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Tools & Simulations

LTspice 2

Models for the following parts are available in LTspice:

  • LT8315
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
DC2337A

LT8315EFE Isolated Demo Board | Offline Flyback, 90VAC ≤ VIN ≤ 265VAC, VOUT = 12V @ 0.55A

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Product Details

Demonstration circuit 2337A is an offline isolated flyback converter featuring LT8315. The demo board outputs 12V, and maintains tight regulation with a load current from 4mA to 0.55A. It is optimized to operate over a wide AC input voltage range (90VAC to 265VAC, 47Hz to 63Hz). Output voltage accuracy stays within ±5% over the whole input voltage and load range.


 


eval board
schematic 2
schematic 3
schematic 4
schematic 5
DC2478A

LT8315 Demo Board | 19V to 400VIN Non Isolated Buck, VOUT = 12V at Up to 120mA

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Product Details

Demonstration circuit 2478A is a non isolated buck converter featuring the LT8315. The demo board outputs 12V, and maintains tight regulation with a load current from 4mA to 120mA. It is optimized to operate over a wide 19V to 400V DC input voltage range. Output voltage accuracy stays within ±1% over the entire input voltage and load range.
DC2337A
LT8315EFE Isolated Demo Board | Offline Flyback, 90VAC ≤ VIN ≤ 265VAC, VOUT = 12V @ 0.55A
DC2337A - Schematic
DC2478A
LT8315 Demo Board | 19V to 400VIN Non Isolated Buck, VOUT = 12V at Up to 120mA
DC2478A Evaluation Board DC2478A Evaluation Board - Top View DC2478A Evaluation Board - Bottom View DC2478A

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