LM2577T-ADJ/LB03 vs LM2577T-ADJ/LB02

Product Attributes

Part Number LM2577T-ADJ/LB03 LM2577T-ADJ/LB02
Manufacturer National Semiconductor Texas Instruments
Category PMIC - Voltage Regulators - DC DC Switching Regulators PMIC - Voltage Regulators - DC DC Switching Regulators
LM2577T-ADJ/LB03 LM2577T-ADJ/LB02
Product Status Active Obsolete
Function - Step-Up, Step-Up/Step-Down
Output Configuration - Positive
Topology - Boost, Flyback, Forward Converter
Output Type - Adjustable
Number of Outputs - 1
Voltage - Input (Min) - 3.5V
Voltage - Input (Max) - 40V
Voltage - Output (Min/Fixed) - 1.23V
Voltage - Output (Max) - 60V (Switch)
Current - Output - 3A (Switch)
Frequency - Switching - 52kHz
Synchronous Rectifier - No
Operating Temperature - -40°C ~ 125°C (TJ)
Mounting Type - Through Hole
Package / Case - TO-220-5 Formed Leads
Supplier Device Package - TO-220-5