Analog Devices, Inc. Isolated Flyback Switching Regulators LT1425CS#TRPBF

Description
Product Details The LT1425 is a monolithic high power switching regulator specifically designed for the isolated flyback topology. No “third winding” or optoisolator is required; the integrated circuit senses the isolated output voltage directly from the primary side flyback waveform. A high current, high efficiency switch is included on the die along with all oscillator, control and protection circuitry. The LT1425 operates with input supply voltages from 3V to 20V and draws only 7mA quiescent current. It can deliver output power up to 6W with no external power devices. By utilizing current mode switching techniques, it provides excellent AC and DC line regulation. The LT1425 has a number of features not found on other switching regulator ICs. Its unique control circuitry can maintain regulation well into discontinuous mode in most applications. Optional load compensation circuitry allows for improved load regulation. An externally activated shutdown mode reduces total supply current to 15µA for standby operation. Applications Isolated Flyback Switching Regulators Ethernet Isolated 5V to -9V Converter Medical Instruments Isolated Telecom Supplies
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Suppliers

Company
Product
Description
Supplier Links
Norwood, MA, USA
Isolated Flyback Switching Regulators
LT1425CS#TRPBF
Isolated Flyback Switching Regulators LT1425CS#TRPBF
Product Details The LT1425 is a monolithic high power switching regulator specifically designed for the isolated flyback topology. No “third winding” or optoisolator is required; the integrated circuit senses the isolated output voltage directly from the primary side flyback waveform. A high current, high efficiency switch is included on the die along with all oscillator, control and protection circuitry. The LT1425 operates with input supply voltages from 3V to 20V and draws only 7mA quiescent current. It can deliver output power up to 6W with no external power devices. By utilizing current mode switching techniques, it provides excellent AC and DC line regulation. The LT1425 has a number of features not found on other switching regulator ICs. Its unique control circuitry can maintain regulation well into discontinuous mode in most applications. Optional load compensation circuitry allows for improved load regulation. An externally activated shutdown mode reduces total supply current to 15µA for standby operation. Applications Isolated Flyback Switching Regulators Ethernet Isolated 5V to -9V Converter Medical Instruments Isolated Telecom Supplies

Product Details

The LT1425 is a monolithic high power switching regulator specifically designed for the isolated flyback topology. No “third winding” or optoisolator is required; the integrated circuit senses the isolated output voltage directly from the primary side flyback waveform. A high current, high efficiency switch is included on the die along with all oscillator, control and protection circuitry.

The LT1425 operates with input supply voltages from 3V to 20V and draws only 7mA quiescent current. It can deliver output power up to 6W with no external power devices. By utilizing current mode switching techniques, it provides excellent AC and DC line regulation.

The LT1425 has a number of features not found on other switching regulator ICs. Its unique control circuitry can maintain regulation well into discontinuous mode in most applications. Optional load compensation circuitry allows for improved load regulation. An externally activated shutdown mode reduces total supply current to 15µA for standby operation.

Applications

  • Isolated Flyback Switching Regulators
  • Ethernet Isolated 5V to -9V Converter
  • Medical Instruments
  • Isolated Telecom Supplies
Supplier's Site Datasheet
Sheung Wan, Hong Kong
Switching Voltage Regulators
LT1425CS#TRPBF
Switching Voltage Regulators LT1425CS#TRPBF
Switching Voltage Regulators Isolated Flyback DC/DC Converter

Switching Voltage Regulators Isolated Flyback DC/DC Converter

Supplier's Site Datasheet
Voltage Regulators - DC DC Switching Regulators - LT1425CS#TRPBF - Quarktwin Technology Ltd.
Shenzhen, Guangdong, China
Voltage Regulators - DC DC Switching Regulators
LT1425CS#TRPBF
Voltage Regulators - DC DC Switching Regulators LT1425CS#TRPBF
Flyback Switching Regulator IC Positive or Negative, Isolation Capable 1 Output 135mA (Switch) 16-SOIC (0.154", 3.90mm Width)

Flyback Switching Regulator IC Positive or Negative, Isolation Capable 1 Output 135mA (Switch) 16-SOIC (0.154", 3.90mm Width)

Supplier's Site Datasheet
PMIC - Voltage Regulators - DC DC Switching Regulators - LT1425CS#TRPBF - Lingto Electronic Limited
Shenzhen, China
PMIC - Voltage Regulators - DC DC Switching Regulators
LT1425CS#TRPBF
PMIC - Voltage Regulators - DC DC Switching Regulators LT1425CS#TRPBF
IC REG FLYBACK 135MA 16SOIC

IC REG FLYBACK 135MA 16SOIC

Supplier's Site Datasheet
Voltage Regulators - DC DC Switching Regulators - 505-LT1425CS#TRPBFTR-ND - DigiKey
Thief River Falls, MN, United States
Voltage Regulators - DC DC Switching Regulators
505-LT1425CS#TRPBFTR-ND
Voltage Regulators - DC DC Switching Regulators 505-LT1425CS#TRPBFTR-ND
IC REG FLYBACK 135MA 16SO

IC REG FLYBACK 135MA 16SO

Supplier's Site Datasheet

Technical Specifications

  Analog Devices, Inc. VAST STOCK CO., LIMITED Quarktwin Technology Ltd. Lingto Electronic Limited DigiKey
Product Category IC Switching Voltage Regulators IC Switching Voltage Regulators IC Switching Voltage Regulators IC Switching Voltage Regulators IC Switching Voltage Regulators
Product Number LT1425CS#TRPBF LT1425CS#TRPBF LT1425CS#TRPBF LT1425CS#TRPBF 505-LT1425CS#TRPBFTR-ND
Product Name Isolated Flyback Switching Regulators Switching Voltage Regulators Voltage Regulators - DC DC Switching Regulators PMIC - Voltage Regulators - DC DC Switching Regulators Voltage Regulators - DC DC Switching Regulators
Package Type SOIC SOIC; Other; 16-SOIC (0.154\", 3.90mm Width) SOIC; Other; 16-SOIC (0.154", 3.90mm Width)
Life Cycle Stage Production Active
VIN 2.8 to 20 volts 2.8 to 20 volts 2.8 to 20 volts
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