Integrated Circuits (ICs)

LM2577T-12/LF03

Obsolete

Texas Instruments

IC REG MULT CONFIG 12V 3A TO220

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Search across all available documentation for this part.

DocumentsTO-220 Leadbend Options Datasheet

Integrated Circuits (ICs)

LM2577T-12/LF03

Obsolete

Texas Instruments

IC REG MULT CONFIG 12V 3A TO220

Deep-Dive with AI

DocumentsTO-220 Leadbend Options Datasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	LM2577T-12/LF03

Current - Output	3 A
Frequency - Switching	52 kHz
Function	Step-Up, Step-Up/Step-Down
Mounting Type	Through Hole
Number of Outputs	1
Operating Temperature [Max]	125 ¯C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	1.81 mOhm
Package / Case	TO-220-5 Formed Leads
Supplier Device Package	TO-220-5
Synchronous Rectifier	False
Topology	Flyback, Boost, Forward Converter
Voltage - Input (Min) [Min]	3.5 V
Voltage - Output (Min/Fixed)	12 V

LM2577 Series

Part	Function	Output Type	Mounting Type	Current - Output	Number of Outputs	Output Configuration	Voltage - Output (Max)	Topology	Supplier Device Package	Frequency - Switching	Voltage - Output (Min/Fixed)	Package / Case [custom]	Package / Case	Package / Case [custom]	Voltage - Input (Min) [Min]	Operating Temperature [Min]	Operating Temperature [Max]	Output Type	Package / Case	Package / Case
Texas Instruments LM2577M-ADJ	Step-Up Step-Up/Step-Down	Adjustable	Surface Mount	3 A	1	Positive or Negative	60 V	Boost Flyback Forward Converter	24-SOIC	52 kHz	1.23 V	7.5 mm	24-SOIC	0.295 in	3.5 V	-40 °C	125 ¯C
Texas Instruments LM2577T-ADJ/LF02	Step-Up Step-Up/Step-Down	Adjustable	Through Hole	3 A	1	Positive	60 V	Boost Flyback Forward Converter	TO-220-5	52 kHz	1.23 V		TO-220-5 Formed Leads		3.5 V	-40 °C	125 ¯C
Texas Instruments LM2577T-ADJ/LB02	Step-Up Step-Up/Step-Down	Adjustable	Through Hole	3 A	1	Positive	60 V	Boost Flyback Forward Converter	TO-220-5	52 kHz	1.23 V		TO-220-5 Formed Leads		3.5 V	-40 °C	125 ¯C
Texas Instruments LM2577S-ADJ/NOPB	Step-Up Step-Up/Step-Down	Adjustable	Surface Mount	3 A	1	Positive or Negative	60 V	Boost Flyback Forward Converter	TO-263 (DDPAK-5)	52 kHz	1.23 V		D2PAK (5 Leads + Tab) TO-263-6 TO-263BA		3.5 V	-40 °C	125 ¯C
Texas Instruments LM2577T-12/LF03	Step-Up Step-Up/Step-Down		Through Hole	3 A	1	Positive		Boost Flyback Forward Converter	TO-220-5	52 kHz	12 V		TO-220-5 Formed Leads		3.5 V	-40 °C	125 ¯C	1.81 mOhm
Texas Instruments LM2577T-ADJ/LB03	Step-Up Step-Up/Step-Down	Adjustable	Through Hole	3 A	1	Positive	60 V	Boost Flyback Forward Converter	TO-220-5	52 kHz	1.23 V		TO-220-5 Formed Leads		3.5 V	-40 °C	125 ¯C
Texas Instruments LM2577S-12	Step-Up Step-Up/Step-Down		Surface Mount	3 A	1	Positive or Negative		Boost Flyback Forward Converter	TO-263 (DDPAK-5)	52 kHz	12 V		D2PAK (5 Leads + Tab) TO-263-6 TO-263BA		3.5 V	-40 °C	125 ¯C	1.81 mOhm
Texas Instruments LM2577N-15/NOPB	Step-Up Step-Up/Step-Down		Through Hole	3 A	1	Positive or Negative		Boost Flyback Forward Converter	16-PDIP	52 kHz	15 V		16-DIP		3.5 V	-40 °C	125 ¯C	1.81 mOhm	0.3 in	7.62 mm
Texas Instruments LM2577T-15/LF03	Step-Up Step-Up/Step-Down		Through Hole	3 A	1	Positive		Boost Flyback Forward Converter	TO-220-5	52 kHz	15 V		TO-220-5 Formed Leads		3.5 V	-40 °C	125 ¯C	1.81 mOhm
Texas Instruments LM2577N-12/NOPB	Step-Up Step-Up/Step-Down		Through Hole	3 A	1	Positive or Negative		Boost Flyback Forward Converter	16-PDIP	52 kHz	12 V		16-DIP		3.5 V	-40 °C	125 ¯C	1.81 mOhm	0.3 in	7.62 mm

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Description

General part information

LM2577 Series

Boost, Flyback, Forward Converter Switching Regulator IC Positive Fixed 12V 1 Output 3A (Switch) TO-220-5 Formed Leads

Documents

Technical documentation and resources

TO-220 Leadbend Options

Datasheet