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參數資料
型號: LM2596S-3.3
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 穩壓器
英文描述: SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
中文描述: 7.5 A SWITCHING REGULATOR, 173 kHz SWITCHING FREQ-MAX, PSSO5
封裝: TO-263, SMT-5
文件頁數: 27/31頁
文件大小: 736K
代理商: LM2596S-3.3
Application Information
(Continued)
INVERTING REGULATOR SHUTDOWN METHODS
To use the ON /OFF pin in a standard buck configuration is
simple, pull it below 1.3V (
@
25C, referenced to ground) to
turn regulator ON, pull it above 1.3V to shut the regulator
OFF. With the inverting configuration, some level shifting is
required, because the ground pin of the regulator is no
longer at ground, but is now setting at the negative output
voltage level. Two different shutdown methods for inverting
regulators are shown in Figure 27 and 28.
01258342
FIGURE 27. Inverting Regulator Ground Referenced Shutdown
01258343
FIGURE 28. Inverting Regulator Ground Referenced Shutdown using Opto Device
L
www.national.com
27
相關PDF資料
PDF描述
LM2596S-ADJ SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator
LM2598T-12 SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator, with Features
LM2598T-3.3 SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator, with Features
LM2598T-5.0 SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator, with Features
LM2598T-ADJ SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulator, with Features
相關代理商/技術參數
參數描述
LM2596S33 制造商:Texas Instruments 功能描述:SWITCHING REG 3A 3.3V SMD 2596
LM2596S-5.0 功能描述:直流/直流開關轉換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
LM2596S-5.0/NOPB 功能描述:直流/直流開關轉換器 150 KHZ 3A STEP-DOWN VLTG REG RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
LM2596S-5.0/NOPB 制造商:Texas Instruments 功能描述:DC/DC Converter (DC-DC) / Switching Regu
LM2596S-5.0NOPB 制造商:Texas Instruments 功能描述:
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