LM2576 datasheet(6/26 Pages) ONSEMI

No de pièce	LM2576

Description	EASY SWITCHER 3.0 A STEP.DOWN VOLTAGE REGULATOR

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Fabricant	ONSEMI [ON Semiconductor]

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LM2576

http://onsemi.com

6

2.0

2.5

3.0

4.0

TJ, JUNCTION TEMPERATURE (°C)

SWITCH CURRENT (A)

TJ, JUNCTION TEMPERATURE (°C)

Figure 8. Standby Quiescent Current

Vin, INPUT VOLTAGE (V)

Figure 9. Switch Saturation Voltage

Figure 10. Oscillator Frequency

Figure 11. Minimum Operating Voltage

Figure 12. Feedback Pin Current

Vin = 12 V

Normalized at

25

°C

TJ = 25°C

Adjustable Version Only

200

180

140

120

100

80

60

40

20

0

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0

8.0

6.0

4.0

2.0

0

−2.0

−4.0

−6.0

−8.0

−10

5.0

4.5

3.5

1.5

1.0

0.5

0

40

30

25

20

15

10

5

0

0.5

1.0

1.5

2.0

3.0

125

100

75

50

25

0

−25

−50

125

100

75

50

25

0

−25

−50

TJ, JUNCTION TEMPERATURE (°C)

Adjustable Version Only

100

80

60

40

20

0

−20

−40

−60

−80

−100

125

100

75

50

25

0

−25

−50

160

35

2.5

−40

°C

25

°C

125

°C

Vout ' 1.23 V

ILoad = 500 mA

TYPICAL PERFORMANCE CHARACTERISTICS (Circuit of Figure 15)

Numéro de pièce similaire - LM2576

Fabricant	No de pièce	Fiches technique	Description
National Semiconductor ...	LM2576	639Kb / 24P	SIMPLE SWITCHER 3A Step-Down Voltage Regulator
HTC Korea TAEJIN Techno...	LM2576	413Kb / 11P	3A, 52kHz, Step-Down Switching Regulator
Semtech Corporation	LM2576	441Kb / 19P	1A & 3A Miniconverter Switching Regulators
Texas Instruments	LM2576	3Mb / 37P	[Old version datasheet] LM2576/LM2576HV Series SIMPLE SWITCHER짰 3A Step-Down Voltage Regulator
Micrel Semiconductor	LM2576	89Kb / 8P	52kHz Simple 3A Buck Voltage Regulator

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Description similaire - LM2576

Fabricant	No de pièce	Fiches technique	Description
Motorola, Inc	LM2576	298Kb / 28P	EASY SWITCHERER 3.0 A STEP?밆OWN VOLTAGE REGULATOR
	LM2576	287Kb / 28P	Easy Switcher 3.0A Step-Down Voltage Regulator
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ON Semiconductor	LM350	115Kb / 10P	3.0 A, Adjustable Output, Positive Voltage Regulator August, 2006 ??Rev. 4
ON Semiconductor	FAN53527	690Kb / 21P	Buck Regulator, 3.0 A December, 2019 ??Rev. 0
Allegro MicroSystems	A8498	332Kb / 9P	Wide Input Voltage 3.0 A Step Down Regulator
ON Semiconductor	NCP631	129Kb / 9P	3.0 A Linear Voltage Regulator with Soft?뭆tart April, 2006 ??Rev. 5
ON Semiconductor	NCP631	84Kb / 10P	3.0 A Linear Voltage Regulator with Soft Start April, 2003 - Rev. 3
Allegro MicroSystems	A8698	616Kb / 12P	Wide Input Voltage 3.0 A Step Down Regulator
National Semiconductor ...	LM1577	889Kb / 27P	SIMPLE SWITCHER Step-Up Voltage Regulator

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LM2576 Fiches technique(PDF) 6 Page - ON Semiconductor

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