LM2576SX-5.0 View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

LM2576SX-5.0

SIMPLE SWITCHER® 3A Step-Down Voltage Regulator

Unspecified 

LM2576/LM2576HV

VR

20V

30V

40V

50V

60V

Schottky

Fast Recovery

3A

4A-6A

3A

4A-6A

1N5820

MBR320P

SR302

1N5821

MBR330

31DQ03

SR303

1N5822

MBR340

31DQO4

SR304

MBR350

31DQ05

SR305

MBR360

DQ06

SR306

1N5823

50WQ03

1N5824

MBR340

50WQ04

1N5825

50WQ05

The following

diodes are all

rated to 100V

31DF1

HER302

50WR06

50SQ060

FIGURE 8. Diode Selection Guide

The following

diodes are all

rated to 100V

50WF10

MUR410

HER602

Inductor

Code

L47

L68

L100

L150

L220

L330

L470

L680

H150

H220

H330

H470

H680

H1000

H1500

H2200

Inductor

Value

47μH

68μH

100μH

150μH

220μH

330μH

470μH

680μH

150μH

220μH

330μH

470μH

680μH

1000μH

1500μH

2200μH

Schott

(Note 12)

671 26980

671 26990

671 27000

671 27010

671 27020

671 27030

671 27040

671 27050

671 27060

671 27070

671 27080

671 27090

671 27100

671 27110

671 27120

671 27130

Pulse Eng.

(Note 13)

PE-53112

PE-92114

PE-92108

PE-53113

PE-52626

PE-52627

PE-53114

PE-52629

PE-53115

PE-53116

PE-53117

PE-53118

PE-53119

PE-53120

PE-53121

PE-53122

Note 12: Schott Corporation, (612) 475 -1173, 1000 Parkers Lake Road, Wayzata, MN 55391.

Note 13: Pulse Engineering, (619) 674-8100, P.O. Box 12235, San Diego, CA 92112.

Note 14: Renco Electronics Incorporated, (516) 586-5566, 60 Jeffryn Blvd. East, Deer Park, NY 11729.

Renco

(Note 14)

RL2442

RL2443

RL2444

RL1954

RL1953

RL1952

RL1951

RL1950

RL2445

RL2446

RL2447

RL1961

RL1960

RL1959

RL1958

RL2448

FIGURE 9. Inductor Selection by Manufacturer’s Part Number

Application Hints

larger. With most electrolytic capacitors, the capacitance

value decreases and the ESR increases with lower

INPUT CAPACITOR (CIN)

temperatures and age. Paralleling a ceramic or solid

To maintain stability, the regulator input pin must be by-passed tantalum capacitor will increase the regulator stability at

with at least a 100μF electrolytic capacitor. The capacitor’s cold temperatures. For maximum capacitor operating

leads must be kept short, and located near the regulator. lifetime, the capacitor’s RMS ripple current rating should

If the operating temperature range includes temperatures be greater than

below -25℃, the input capacitor value may need to be

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