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參數(shù)資料

型號：	LM1575J-CAD/883
廠商：	NATIONAL SEMICONDUCTOR CORP
元件分類：	穩(wěn)壓器
英文描述：	3.2 A SWITCHING REGULATOR, 62 kHz SWITCHING FREQ-MAX, CDIP16
封裝：	CERDIP-16
文件頁數(shù)：	30/30頁
文件大小：	676K
代理商：	LM1575J-CAD/883

Typical Performance Characteristics (Circuit of Figure 2) (Continued)

Test Circuit and Layout Guidelines

As in any switching regulator, layout is very important. Rap-

idly 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 con-

struction should be used for best results. When using the Ad-

justable version, physically locate the programming resistors

near the regulator, to keep the sensitive feedback wiring

short.

Feedback Pin Current

DS011475-5

Maximum Power Dissipation

(TO-263) (See (Note 12))

DS011475-28

Switching Waveforms

DS011475-6

VOUT = 5V

A: Output Pin Voltage, 10V/div

B: Output Pin Current, 1A/div

C: Inductor Current, 0.5A/div

D: Output Ripple Voltage, 20 mV/div,

AC-Coupled

Horizontal Time Base: 5 s/div

Load Transient Response

DS011475-7

www.national.com

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相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
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LM1575K-12/883C	制造商:Rochester Electronics LLC 功能描述:- Bulk
LM1575K-12/883QF	制造商:Rochester Electronics LLC 功能描述:- Bulk
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