參數(shù)資料
型號(hào)： LM1575J-12/883
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： 3 A SWITCHING REGULATOR, 58 kHz SWITCHING FREQ-MAX, CDIP16
封裝： CERAMIC, DIP-16
文件頁數(shù)： 3/27頁
文件大?。?/td> 725K
代理商： LM1575J-12/883
Typical Performance Characteristics (Circuit of Figure 2) (Continued)
Feedback Pin Current
Maximum Power Dissipation
(TO-263) (See (Note 12))
01147505
01147528
Switching Waveforms
Load Transient Response
01147506
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
01147507
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
Adjustable version, physically locate the programming resis-
tors near the regulator, to keep the sensitive feedback wiring
short.
LM1575/LM2575/LM2575HV
www.national.com
11
相關(guān)PDF資料
PDF描述
LM1575J-3.3/883 3.2 A SWITCHING REGULATOR, 62 kHz SWITCHING FREQ-MAX, CDIP16
LM1575WG-15-QML 3 A SWITCHING REGULATOR, 58 kHz SWITCHING FREQ-MAX, CDSO16
LM1575K-15-QML 3 A SWITCHING REGULATOR, 58 kHz SWITCHING FREQ-MAX, MBFM2
LM185BWG/883 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.24 V, CDSO10
5962-9091402QYA 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.24 V, CDSO10
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM1575J-12-QML 制造商:Texas Instruments 功能描述:
LM1575J-15-QML 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SIMPLE SWITCHER㈢ 1A Step-Down Voltage Regulator
LM1575J-3.3-QML 制造商:NSC 制造商全稱:National Semiconductor 功能描述:SIMPLE SWITCHER㈢ 1A Step-Down Voltage Regulator
LM1575J-5.0-QML 制造商:Texas Instruments 功能描述:Conv DC-DC Single Step Down 4V to 40V 16-Pin CDIP
LM1575J-ADJ-QML 制造商:Texas Instruments 功能描述:Conv DC-DC Single Step Down 4V to 40V 16-Pin CDIP
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