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Datasheet Linear Technology LT8315

Manufacturer:Linear Technology
Series:LT8315

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

Datasheets

  • Download » Datasheet, PDF, 1.5 Mb, Revision: F
    LT8315 - 560VIN Micropower No-Opto Isolated Flyback Converter with 630V/300mA Switch
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    LT8315
    560VIN Micropower No-Opto
    Isolated Flyback Converter
    with 630V/300mA Switch
    Description Features
    Wide Input Voltage Range: 18V to 560V
    nn 630V/300mA Integrated Power Switch
    nn No Opto-Isolator Required for Regulation
    nn Quasi-Resonant Boundary Mode Operation
    nn Constant-Current and Constant-Voltage Regulation
    nn Low-Ripple Light Load Burst ModeВ® Operation
    nn Low Quiescent Current: 70ОјA
    nn Programmable Current Limit and Soft-Start
    nn TSSOP Package with High-Voltage Spacing The LTВ®8315 is a high voltage flyback converter with integrated 630V/300mA switch. No opto-isolator is needed for
    regulation. The device samples the output voltage from the
    isolated flyback waveform appearing across a third winding on the transformer. Quasi-resonant boundary mode
    operation improves load regulation, reduces transformer
    size, and maintains high efficiency. nn Applications At start-up, the LT8315 charges its INTVCC capacitor via a
    current source attached to the DRAIN pin. During normal
    operation, the current source turns off and the device
    draws its power from a third winding on the transformer. Isolated Telecom, Automotive, Industrial, Medical
    Power Supplies
    nn Isolated Off-Line Housekeeping Power Supplies ...

Prices

Packaging

 LT8315EFE#PBFLT8315EFE#TRPBFLT8315HFE#PBFLT8315HFE#TRPBFLT8315IFE#PBFLT8315IFE#TRPBF
PackageTSSOP-20TSSOP-20TSSOP-20TSSOP-20TSSOP-20TSSOP-20
Package CodeFEFEFEFEFEFE

Parametrics

 LT8315EFE#PBFLT8315EFE#TRPBFLT8315HFE#PBFLT8315HFE#TRPBFLT8315IFE#PBFLT8315IFE#TRPBF
Demo BoardsDC2337ADC2337ADC2337ADC2337ADC2337ADC2337A
Design ToolsLTspice FileLTspice FileLTspice FileLTspice FileLTspice FileLTspice File
Export Control, yes/nonononononono
FeaturesNo Opto Isolator, Burst ModeNo Opto Isolator, Burst ModeNo Opto Isolator, Burst ModeNo Opto Isolator, Burst ModeNo Opto Isolator, Burst ModeNo Opto Isolator, Burst Mode
Frequency, kHz140140140140140140
Integrated Inductor, yes/nonononononono
Ishutdown, ВµA888888
Isupply, mA0.070.070.070.070.070.07
Max Phases111111
Monolithic, yes/noyesyesyesyesyesyes
Number of Outputs111111
Operating Temperature Range, °C0 to 850 to 85-40 to 125-40 to 125-40 to 85-40 to 85
Polyphase, yes/nonononononono
Switch Current, A0.80.80.80.80.80.8
Synchronous, yes/nonononononono
TopologyFlybackFlybackFlybackFlybackFlybackFlyback
Topology 1FlybackFlybackFlybackFlybackFlybackFlyback
Vin Max, V560560560560560560
Vin Min, V181818181818
Vout Max, V630630630630630630
Vout Maximum630V630V630V630V630V630V
Vref Accuracy Over Temp, %222222
Vswitch Max, V630630630630630630

Eco Plan

 LT8315EFE#PBFLT8315EFE#TRPBFLT8315HFE#PBFLT8315HFE#TRPBFLT8315IFE#PBFLT8315IFE#TRPBF
RoHSCompliantCompliantCompliantCompliantCompliantCompliant

Manufacturer's Classification

  • Power Management > Switching Regulator > Flyback, Forward and Isolated Controllers

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