LM2577 Datasheet and Specifications PDF

The LM2577 is a SIMPLE SWITCHER Step-Up Voltage Regulator.

Key Specifications

PackageTO-263
Mount TypeSurface Mount
Pins5
Operating Voltage40 V
Min Voltage (typical range)3.5 V
Output Type (varies by manufacturer)Adjustable
Height4.83 mm
Length10.16 mm
Datasheet4U Logo
Part NumberLM2577 Datasheet
ManufacturerNational Semiconductor
Overview The LM1577/LM2577 are monolithic integrated circuits that provide all of the power and control functions for step-up (boost), flyback, and forward converter switching regulators. The device is availab. include a 52 kHz fixed-frequency oscillator that requires no external components, a soft start mode to reduce in-rush current during start-up, and current mode control for improved rejection of input voltage and output load transients. Features Requires few external components NPN output switches 3.
Part NumberLM2577 Datasheet
DescriptionStep-Up Voltage Regulator
ManufacturerTexas Instruments
Overview The LM1577/LM2577 are monolithic integrated circuits that provide all of the power and control functions for step-up (boost), flyback, and forward converter switching regulators. The device is availab. 1
*23 Requires Few External Components
* NPN Output Switches 3.0A, can Stand off 65V
* Wide Input Voltage Range: 3.5V to 40V
* Current-mode Operation for Improved Transient Response, Line Regulation, and Current Limit
* 52 kHz Internal Oscillator
* Soft-start Function Reduces In-rush Current During .

Price & Availability

Availability and pricing information from multiple distributors.

Seller Inventory Price Breaks Buy
Arrow Electronics 1 1+ : 0.8813 USD View Offer
Rochester Electronics 258 25+ : 5.74 USD
100+ : 5.45 USD
500+ : 5.17 USD
1000+ : 4.88 USD
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DigiKey 5 1+ : 9.9 USD
10+ : 7.721 USD
45+ : 6.89444 USD
135+ : 6.47659 USD
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