參數(shù)資料
型號(hào)： LM2599-3.3MWC
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, UUC
封裝： WAFER
文件頁(yè)數(shù)： 29/36頁(yè)
文件大?。?/td> 897K
代理商： LM2599-3.3MWC
National P/N LM2599 - SIMPLE SWITCHER Power Converter 150 KHz 3A Step-Down Voltage Regulator with Features
LM2599-5.0
MDC
Full
production
N/A
tray
of
N/A
-
LM2599-ADJ
MDC
Full
production
N/A
tray
of
N/A
-
LM2599-3.3
MWC
Full
production
N/A
wafer
jar
of
N/A
-
LM2599-5.0
MWC
Full
production
N/A
wafer
jar
of
N/A
-
LM2599-ADJ
MWC
Full
production
N/A
wafer
jar
of
N/A
-
General Description
The LM2599 series of regulators are monolithic integrated circuits that provide all the active functions for a
step-down (buck) switching regulator, capable of driving a 3A load with excellent line and load regulation.
These devices are available in fixed output voltages of 3.3V, 5V, 12V, and an adjustable output version.
This series of switching regulators is similar to the LM2596 series, with additional supervisory and
performance features added.
Requiring a minimum number of external components, these regulators are simple to use and include
internal frequency compensation, improved line and load specifications, fixed-frequency oscillator,
Shutdown#/Soft-start, error flag delay and error flag output.
The LM2599 series operates at a switching frequency of 150 kHz thus allowing smaller sized filter
components than what would be needed with lower frequency switching regulators. Available in a standard 7-
lead TO-220 package with several different lead bend options, and a 7-lead TO-263 Surface mount package.
A standard series of inductors (both through hole and surface mount types) are available from several
different manufacturers optimized for use with the LM2599 series. This feature greatly simplifies the design
of switch-mode power supplies.
Other features include a guaranteed ±4% tolerance on output voltage under all conditions of input voltage
and output load conditions, and ±15% on the oscillator frequency. External shutdown is included, featuring
typically 80 A standby current. Self protection features include a two stage current limit for the output
switch and an over temperature shutdown for complete protection under fault conditions.
Features
file:///H|/imaging/BITTING/cpl/20020808_1/08062002_10/NATL/08062002_HTML/LM2599.html (3 of 4) [Aug-09-2002 2:33:28 PM]
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2599S-12 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
LM2599S-12/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
LM2599S-3.3 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
LM2599S-3.3/NOPB 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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
LM2599S-5.0 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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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