參數(shù)資料
型號(hào)： LM2670SDX-3.3EP
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： 5.4 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PDSO14
封裝： PLASTIC, LLP-14
文件頁(yè)數(shù)： 19/25頁(yè)
文件大?。?/td> 465K
代理商： LM2670SDX-3.3EP
Absolute Maximum Ratings (Note 4)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Input Supply Voltage
45V
ON/OFF Pin Voltage
0.1V to 6V
Switch Voltage to Ground
1V to V
IN
Boost Pin Voltage
V
SW +8V
Feedback Pin Voltage
0.3V to 14V
Power Dissipation
Internally Limited
2 kV
Storage Temperature Range
65C to 150C
Soldering Temperature
Wave
4 sec, 260C
Infrared
10 sec, 240C
Vapor Phase
75 sec, 219C
Operating Ratings
Supply Voltage
8V to 40V
Junction Temperature Range (T
J)
40C to 125C
Electrical Characteristics Limits appearing in bold type face apply over the entire junction temperature
range of operation, 40C to 125C. Specifications appearing in normal type apply for T
A =TJ = 25C. Sync pin open
circuited.
LM2670-3.3EP
Symbol
Parameter
Conditions
Typical
Min
Max
Units
V
OUT
Output Voltage
V
IN = 8V to 40V, 100mA
≤ I
OUT
≤ 3A
3.3
3.234/3.201
3.366/3.399
V
η
Efficiency
V
IN = 12V, ILOAD =3A
86
%
LM2670-5.0EP
Symbol
Parameter
Conditions
Typical
Min
Max
Units
V
OUT
Output Voltage
V
IN = 8V to 40V, 100mA
≤ I
OUT
≤ 3A
5.0
4.900/4.850
5.100/5.150
V
η
Efficiency
V
IN = 12V, ILOAD =3A
88
%
LM2670-12EP
Symbol
Parameter
Conditions
Typical
Min
Max
Units
V
OUT
Output Voltage
V
IN = 15V to 40V, 100mA
≤ I
OUT
≤ 3A
12
11.76/11.64
12.24/12.36
V
η
Efficiency
V
IN = 24V, ILOAD =3A
94
%
LM2670-ADJEP
Symbol
Parameter
Conditions
Typ
Min
Max
Units
V
FB
Feedback
Voltage
V
IN = 8V to 40V, 100mA
≤ I
OUT
≤ 3A
V
OUT Programmed for 5V
1.21
1.186/1.174
1.234/1.246
V
η
Efficiency
V
IN = 12V, ILOAD =3A
88
%
LM2670EP
Enhanced
Plastic
www.national.com
3
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM2670SDX-5.0 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:SIMPLE SWITCHER High Efficiency 3A Step-Down Voltage Regulator with Sync
LM2670SDX-5.0/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
LM2670SDX-ADJ 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
LM2670SDX-ADJ/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
LM2670SX-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
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