Datasheet Microchip LM2576

ManufacturerMicrochip
SeriesLM2576

The LM2576 series of monolithic integrated circuits provide all the active functions for a step-down (buck) switching regulator

Datasheets

Datasheet PDF, 59 Kb, Revision: 11-05-2015
LM2576 - 52 kHz Simple 3A Buck Regulator
Docket

Prices

Status

LM2576-12WTLM2576-12WULM2576-12WU-TRLM2576-3.3WTLM2576-3.3WULM2576-3.3WU-TRLM2576-5.0WTLM2576-5.0WULM2576-5.0WU-TRLM2576WTLM2576WULM2576WU-TR
Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)

Packaging

LM2576-12WTLM2576-12WULM2576-12WU-TRLM2576-3.3WTLM2576-3.3WULM2576-3.3WU-TRLM2576-5.0WTLM2576-5.0WULM2576-5.0WU-TRLM2576WTLM2576WULM2576WU-TR
PackageTO-220DDPAKDDPAKTO-220DDPAKDDPAKTO-220DDPAKDDPAKTO-220DDPAKDDPAK
Pins555555555555

Parametrics

Parameters / ModelsLM2576-12WTLM2576-12WULM2576-12WU-TRLM2576-3.3WTLM2576-3.3WULM2576-3.3WU-TRLM2576-5.0WTLM2576-5.0WULM2576-5.0WU-TRLM2576WTLM2576WULM2576WU-TR
# of Outputs111111111111
Automotive RatedNoNoNoNoNoNoNoNoNoNoNoNo
Duty Cycle Max, %0.980.980.980.980.980.980.980.980.980.980.980.98
Input Voltage Range, V4 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 40
Light Load Efficiency ModeNoNoNoNoNoNoNoNoNoNoNoNo
Operating Temperature Range, °C-40 to +85-40 to +85-40 to +85-40 to +85-40 to +85-40 to +85-40 to +85-40 to +85-40 to +85-40 to +85-40 to +85-40 to +85
Output Current, mA) Max300030003000300030003000300030003000300030003000
Output Voltage Range, V1.231.231.231.231.231.231.231.231.231.231.231.23
Quiescent Current, mA) type303030303030303030303030
Regulator TypeStep Down (Buck)Step Down (Buck)Step Down (Buck)Step Down (Buck)Step Down (Buck)Step Down (Buck)Step Down (Buck)Step Down (Buck)Step Down (Buck)Step Down (Buck)Step Down (Buck)Step Down (Buck)
SHUTDOWN Current, µA505050505050505050505050
Switching Frequency, kHz525252525252525252525252
Synchronous RectifierNoNoNoNoNoNoNoNoNoNoNoNo
Vfb, V1.231.231.231.231.231.231.231.231.231.231.231.23

Eco Plan

LM2576-12WTLM2576-12WULM2576-12WU-TRLM2576-3.3WTLM2576-3.3WULM2576-3.3WU-TRLM2576-5.0WTLM2576-5.0WULM2576-5.0WU-TRLM2576WTLM2576WULM2576WU-TR
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Model Line

Manufacturer's Classification