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參數(shù)資料
| 型號： | LM2597-12MDC |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC |
| 封裝： | DIE |
| 文件頁數(shù)： | 33/40頁 |
| 文件大?。?/td> | 1019K |
| 代理商： | LM2597-12MDC |
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National P/N LM2597 - SIMPLE SWITCHER Power Converter 150 kHz 0.5A Step-Down Voltage Regulator
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3.3V, 5V, 12V, and adjustable output versions
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Adjustable version output voltage range, 1.2V to 37V (57V for HV version)±4% max over line and
load conditions
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Guaranteed 0.5A output current
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Available in 8-pin surface mount and DIP-8 package
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Input voltage range up to 60V
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150 kHz fixed frequency internal oscillator
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Shutdown# /Soft-start
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Out of regulation error flag
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Error output delay
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Bias Supply Pin (VBS) for internal circuitry improves efficiency at high input voltages
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Low power standby mode, IQ typically 85 A
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High Efficiency
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Uses readily available standard inductors
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Thermal shutdown and current limit protection
Applications
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Simple high-efficiency step-down (buck) regulator
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Efficient pre-regulator for linear regulators
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On-card switching regulators
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Positive to Negative converter
Design Tools
Title
Size in Kbytes Date
View Online Download
Receive via
Email
SimpleSwitcher DC-DC
Converters Design Software
10 Kbytes
12-Jun-
2002
If you have trouble printing or viewing PDF file(s), see Printing Problems.
Application Notes
Title
Size in Kbytes Date
View Online Download Receive via Email
AN-1061: AN-1061 Power
Conversion in Line-Powered
Equipment
142 Kbytes
5-Jan-97 View Online
AN-1229: Application Note 1229
SIMPLE SWITCHER PCB Layout
Guidelines
229 Kbytes
29-Jul-02 View Online
If you have trouble printing or viewing PDF file(s), see Printing Problems.
[Information as of 5-Aug-2002]
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM2597-ADJMDC | 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC |
| LM2597HV-5MDC | 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC |
| LM2597-3.3MWA | 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC |
| LM2597HV-5MWC | 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC |
| LM2597-5.0MDA | 1.4 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM2597HVM-12 | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| LM2597HVM-12/NOPB | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| LM2597HVM-12/NOPB | 制造商:Texas Instruments 功能描述:DC/DC Converter IC |
| LM2597HVM-3.3 | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| LM2597HVM-3.3/NOPB | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
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