LM2576HVT-5.0 datasheet(10/37 Pages) TI1

部件名	LM2576HVT-5.0

功能描述	SIMPLE SWITCHER짰 3A Step-Down Voltage Regulator

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制造商	TI1 [Texas Instruments]

网页	http://www.ti.com

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10 / 37 page

LM2576, LM2576HV

SNVS107C – JUNE 1999 – REVISED APRIL 2013

www.ti.com

TYPICAL PERFORMANCE CHARACTERISTICS (continued)

(Circuit of Figure 21 and Figure 22)

Maximum Power Dissipation

(DDPAK/TO-263)

Switching Waveforms

VOUT = 15V

If the DDPAK/TO-263 package is used, the thermal resistance can be

A: Output Pin Voltage, 50V/div

reduced by increasing the PC board copper area thermally connected

B: Output Pin Current, 2A/div

to the package. Using 0.5 square inches of copper area,

θJA is

C: Inductor Current, 2A/div

50°C/W, with 1 square inch of copper area,

θJA is 37°C/W, and with

D: Output Ripple Voltage, 50 mV/div,

1.6 or more square inches of copper area,

θJA is 32°C/W.

AC-Coupled

Horizontal Time Base: 5

μs/div

Figure 18.

Figure 19.

Load Transient Response

Figure 20.

10

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Product Folder Links: LM2576 LM2576HV

类似零件编号 - LM2576HVT-5.0

制造商	部件名	数据表	功能描述
National Semiconductor ...	LM2576HVT-5.0	639Kb / 24P	SIMPLE SWITCHER 3A Step-Down Voltage Regulator
Texas Instruments	LM2576HVT-5.0	3Mb / 37P	[Old version datasheet] LM2576/LM2576HV Series SIMPLE SWITCHER짰 3A Step-Down Voltage Regulator
Tiger Electronic Co.,Lt...	LM2576HVT-5.0	4Mb / 8P	regulators are monolithic integrated circuits that provide all the active functions for a step-down switching
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Guangdong Youtai Semico...	LM2576HVT-5.0	2Mb / 10P	IC REG BUCK 3A TO263-5L

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