Datasheet Microchip LM2575

ManufacturerMicrochip
SeriesLM2575

The LM2575 series of monolithic integrated circuits provide all the active functions for a step-down (buck) switching regulator

Datasheets

LM2575 - 52 kHz Simple 1A Buck Regulator
PDF, 157 Kb, Revision: 11-05-2015
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Prices

Status

LM2575-12WTLM2575-12WULM2575-12WU-TRLM2575-12YNLM2575-12YWMLM2575-12YWM-TRLM2575-3.3WTLM2575-3.3WULM2575-3.3WU-TRLM2575-3.3YNLM2575-3.3YWMLM2575-3.3YWM-TRLM2575-5.0WTLM2575-5.0WULM2575-5.0WU-TRLM2575-5.0YNLM2575-5.0YWMLM2575-5.0YWM-TRLM2575WTLM2575WULM2575WU-TRLM2575YNLM2575YWMLM2575YWM-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)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)Production (Appropriate for new designs but newer alternatives may exist)

Packaging

LM2575-12WTLM2575-12WULM2575-12WU-TRLM2575-12YNLM2575-12YWMLM2575-12YWM-TRLM2575-3.3WTLM2575-3.3WULM2575-3.3WU-TRLM2575-3.3YNLM2575-3.3YWMLM2575-3.3YWM-TRLM2575-5.0WTLM2575-5.0WULM2575-5.0WU-TRLM2575-5.0YNLM2575-5.0YWMLM2575-5.0YWM-TRLM2575WTLM2575WULM2575WU-TRLM2575YNLM2575YWMLM2575YWM-TR
N123456789101112131415161718192021222324
PackageTO-220DDPAKDDPAKPDIPSOICSOICTO-220DDPAKDDPAKPDIPSOICSOICTO-220DDPAKDDPAKPDIPSOICSOICTO-220DDPAKDDPAKPDIPSOICSOIC
Pins555162424555162424555162424555162424

Parametrics

Parameters / ModelsLM2575-12WTLM2575-12WULM2575-12WU-TRLM2575-12YNLM2575-12YWMLM2575-12YWM-TRLM2575-3.3WTLM2575-3.3WULM2575-3.3WU-TRLM2575-3.3YNLM2575-3.3YWMLM2575-3.3YWM-TRLM2575-5.0WTLM2575-5.0WULM2575-5.0WU-TRLM2575-5.0YNLM2575-5.0YWMLM2575-5.0YWM-TRLM2575WTLM2575WULM2575WU-TRLM2575YNLM2575YWMLM2575YWM-TR
# of Outputs111111111111111111111111
Automotive RatedNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNo
Duty Cycle Max, %0.980.980.980.980.980.980.980.980.980.980.980.980.980.980.980.980.980.980.980.980.980.980.980.98
Input Voltage Range, V4 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 404 - 40
Light Load Efficiency ModeNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNo
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 +85-40 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) Max100010001000100010001000100010001000100010001000100010001000100010001000100010001000100010001000
Output Voltage Range, V1.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.23
Quiescent Current, mA) type101010101010101010101010101010101010101010101010
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)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)Step Down (Buck)
SHUTDOWN Current, µA505050505050505050505050505050505050505050505050
Switching Frequency, kHz525252525252525252525252525252525252525252525252
Synchronous RectifierNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNoNo
Vfb, V1.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.231.23

Eco Plan

LM2575-12WTLM2575-12WULM2575-12WU-TRLM2575-12YNLM2575-12YWMLM2575-12YWM-TRLM2575-3.3WTLM2575-3.3WULM2575-3.3WU-TRLM2575-3.3YNLM2575-3.3YWMLM2575-3.3YWM-TRLM2575-5.0WTLM2575-5.0WULM2575-5.0WU-TRLM2575-5.0YNLM2575-5.0YWMLM2575-5.0YWM-TRLM2575WTLM2575WULM2575WU-TRLM2575YNLM2575YWMLM2575YWM-TR
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Model Line

Manufacturer's Classification

  • Power Management > Switching Regulators > Step Down up to 75V
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