LM2576HVT-15 datasheet(8/8 Pages) TGS

No de pièce	LM2576HVT-15

Description	regulators are monolithic integrated circuits that provide all the active functions for a step-down switching

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Fabricant	TGS [Tiger Electronic Co.,Ltd]

Site Internet	http://www.tgselec.com

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LM2576 Series

Test Circuit and Layout Guidelines

As in any switching regulator, layout is very important. Rapidly switching currents associated with wiring inductance generate voltage

transients which can cause problems. For minimal inductance and ground loops, the length of the leads indicated by heavy lines should

be kept as short as possible.

Single-point grounding (as indicated) or ground plane construction should be used for best results. When using the Adjustable version,

physically locate the programming resistors near the regulator, to keep the sensitive feedback wiring short.

Fixed Output Voltage Versions (Figure 2a)

UNREGULATED

+

+VIN

1

LM2576HV-

FIXED OUTPUT

ON/OFF

FEEDBACK

4

OUTPUT

2

L1

100

H

D1

VOUT

L

O

VIN

DC INPUT

GN

100

F

D 3

5

+

MBR360

COUT

1000

F

A

D

CIN — 100µF, 75V, Aluminum Electrolytic

COUT —1000µF, 25V, Aluminum Electrolytic

D1 — Schottky, MBR360

L1 — 100µH, Pulse Eng. PE-92108

R1 — 2k, 0.1%

R2 — 6.12k, 0.1%

Adjustable Output Voltage Version (Figure 2b)

7V -60V

+VIN

1

100

F

LM2576HV-

ADJ

FEEDBACK

4

OUTPUT

2

L1

100

H

VOUT

5.00V

L

UNREGULATED

DC INPUT

+

CIN

GND 3

ON/OFF

5

+

COUT

R2

O

A

MBR360

1000

F

R1

D

V

OUT

=

V

REF 1

(

+ R

2 )

R

(

V

OUT

)1

2

1

V

REF

−

where VREF = 1.23V, R1 between 1k and 5k

REV No:01-060813

8

ELECTRONICS CO.,LTD

TIGER

Numéro de pièce similaire - LM2576HVT-15

Fabricant	No de pièce	Fiches technique	Description
National Semiconductor ...	LM2576HVT-15	639Kb / 24P	SIMPLE SWITCHER 3A Step-Down Voltage Regulator
Texas Instruments	LM2576HVT-15	3Mb / 37P	[Old version datasheet] LM2576/LM2576HV Series SIMPLE SWITCHER짰 3A Step-Down Voltage Regulator
Texas Instruments	LM2576HVT-15	3Mb / 37P	[Old version datasheet] SIMPLE SWITCHER짰 3A Step-Down Voltage Regulator
ARTSCHIP ELECTRONICS CO...	LM2576HVT-15	1Mb / 23P	SIMPLE SWITCHER 3A Step-Down Voltage Regulator
Guangdong Youtai Semico...	LM2576HVT-15	2Mb / 10P	IC REG BUCK 3A TO263-5L

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LM2576HVT-15 Fiches technique(PDF) 8 Page - Tiger Electronic Co.,Ltd

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