LT3511HMS#PBF

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Analog Devices Inc./Maxim Integrated

MONOLITHIC HIGH VOLTAGE ISOLATED FLYBACK CONVERTER

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LT3511HMS#PBF

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Analog Devices Inc./Maxim Integrated

MONOLITHIC HIGH VOLTAGE ISOLATED FLYBACK CONVERTER

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Description Specifications Series Pricing CAD Documents

Description

General part information

LT3511 Series

The LT3511 is a high voltage monolithic switching regulator specifically designed for the isolated flyback topology. No third winding or opto-isolator is required for regulation as the part senses output voltage directly from the primary-side flyback waveform. The device integrates a 240mA, 150V power switch, high voltage circuitry, and control into a high voltage 16-lead MSOP package with four leads removed.The LT3511 operates from an input voltage range of 4.5V to 100V and delivers up to 2.5W of isolated output power. Two external resistors and the transformer turns ratio easily set the output voltage. Off-the-shelf transformers are available for several applications. The high level of integration and the use of boundary mode operation results in a simple, clean, tightly regulated application solution to the traditionally tough problem of isolated power delivery.ApplicationsIsolated Telecom Power SuppliesIsolated Auxiliary/Housekeeping Power SuppliesIsolated Industrial, Automotive and Medical Power Supplies

Technical Specifications

Parameters and characteristics for this part

Specification	LT3511HMS#PBF

Current - Output	240 mA
Frequency - Switching (Max)	650 kHz
Frequency - Switching (Min)	40 kHz
Function	Step-Up, Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature (Max)	150 °C
Operating Temperature (Min)	-40 °C
Output Configuration	Isolation Capable, Positive or Negative
Package Features	12 Leads
Package Length	0.118 in
Package Name	16-MSOP, 16-TFSOP
Package Width	3 mm
Synchronous Rectifier	No
Topology	Flyback
Voltage - Input (Max)	100 V p-p
Voltage - Input (Min)	4.5 V

LT3511 Series

Monolithic High Voltage Isolated Flyback Converter

Part	Number of Outputs	Package Name	Voltage - Input (Max)	Topology	Output Configuration	Current - Output	Synchronous Rectifier	Mounting Type	Function	Frequency - Switching (Min)	Frequency - Switching (Max)	Voltage - Input (Min)	Package Features	Package Width	Package Length	Operating Temperature (Max)	Operating Temperature (Min)
Analog Devices Inc./Maxim Integrated LT3511EMS#TRPBF	1	16-MSOP 16-TFSOP	100 V p-p	Flyback	Isolation Capable Positive or Negative	240 mA	No	Surface Mount	Step-Down Step-Up	40 kHz	650 kHz	4.5 V	12 Leads	3 mm	0.118 in	125 °C	-40 °C
Analog Devices Inc./Maxim Integrated LT3511EMS#PBF	1	16-MSOP 16-TFSOP	100 V p-p	Flyback	Isolation Capable Positive or Negative	240 mA	No	Surface Mount	Step-Down Step-Up	40 kHz	650 kHz	4.5 V	12 Leads	3 mm	0.118 in	125 °C	-40 °C
Analog Devices Inc./Maxim Integrated LT3511MPMS#PBF	1	16-MSOP 16-TFSOP	100 V p-p	Flyback	Isolation Capable Positive or Negative	240 mA	No	Surface Mount	Step-Down Step-Up	40 kHz	650 kHz	4.5 V	12 Leads	3 mm	0.118 in	150 °C	-55 °C
Analog Devices Inc./Maxim Integrated LT3511HMS#PBF	1	16-MSOP 16-TFSOP	100 V p-p	Flyback	Isolation Capable Positive or Negative	240 mA	No	Surface Mount	Step-Down Step-Up	40 kHz	650 kHz	4.5 V	12 Leads	3 mm	0.118 in	150 °C	-40 °C
Analog Devices Inc./Maxim Integrated LT3511IMS#PBF	1	16-MSOP 16-TFSOP	100 V p-p	Flyback	Isolation Capable Positive or Negative	240 mA	No	Surface Mount	Step-Down Step-Up	40 kHz	650 kHz	4.5 V	12 Leads	3 mm	0.118 in	125 °C	-40 °C
Analog Devices Inc./Maxim Integrated LT3511MPMS#TRPBF	1	16-MSOP 16-TFSOP	100 V p-p	Flyback	Isolation Capable Positive or Negative	240 mA	No	Surface Mount	Step-Down Step-Up	40 kHz	650 kHz	4.5 V	12 Leads	3 mm	0.118 in	150 °C	-55 °C
Analog Devices Inc./Maxim Integrated LT3511IMS#TRPBF	1	16-MSOP 16-TFSOP	100 V p-p	Flyback	Isolation Capable Positive or Negative	240 mA	No	Surface Mount	Step-Down Step-Up	40 kHz	650 kHz	4.5 V	12 Leads	3 mm	0.118 in	125 °C	-40 °C
Analog Devices Inc./Maxim Integrated LT3511HMS#TRPBF	1	16-MSOP 16-TFSOP	100 V p-p	Flyback	Isolation Capable Positive or Negative	240 mA	No	Surface Mount	Step-Down Step-Up	40 kHz	650 kHz	4.5 V	12 Leads	3 mm	0.118 in	150 °C	-40 °C

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

LT3511HMS#PBF | Datasheet

R530 Reliability Data