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參數(shù)資料
| 型號(hào)： | LM1085 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 3A Low Dropout Positive Regulators |
| 中文描述： | 第3A低壓差穩(wěn)壓器正 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大?。?/td> | 744K |
| 代理商： | LM1085 |
LM1085
3A Low Dropout Positive Regulators
General Description
The LM1085 is a series of low dropout positive voltage
regulators with a maximum dropout of 1.5V at 3A of load
current. It has the same pin-out as National Semiconductor’s
industry standard LM317.
The LM1085 is available in an adjustable version, which can
set the output voltage with only two external resistors. It is
also available in three fixed voltages: 3.3V, 5.0V and 12.0V.
The fixed versions integrate the adjust resistors.
The LM1085 circuit includes a zener trimmed bandgap ref-
erence, current limiting and thermal shutdown.
The LM1085 series is available in TO-220 and TO-263 pack-
ages. Refer to the LM1084 for the 5A version, and the
LM1086 for the 1.5A version.
Features
n
Available in 3.3V, 5.0V, 12V and Adjustable Versions
n
Current Limiting and Thermal Protection
n
Output Current
n
Line Regulation
n
Load Regulation
3A
0.015% (typical)
0.1% (typical)
Applications
n
High Efficiency Linear Regulators
n
Battery Charger
n
Post Regulation for Switching Supplies
n
Constant Current Regulator
n
Microprocessor Supply
Connection Diagrams
TO-220
10094702
Top View
TO-263
10094704
Top View
Basic Functional Diagram,
Adjustable Version
10094765
Application Circuit
10094752
1.2V to 15V Adjustable Regulator
June 2005
L
2005 National Semiconductor Corporation
DS100947
www.national.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM1085S-1.5 | 3A LOW DROPOUT VOLTAGE REGULATOR (Adjustable & Fixed) |
| LM1086CT-3.3 | 1.5A Low Dropout Positive Regulators |
| LM1086CS-ADJ | 1.5A Low Dropout Positive Regulators |
| LM1086CSX-2.85 | 1.5A Low Dropout Positive Regulators |
| LM1086CSX-3.3 | 1.5A Low Dropout Positive Regulators |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM1085-05-220M | 制造商:SEME-LAB 制造商全稱:Seme LAB 功能描述:LOW DROPOUT 3 AMP POSITIVE |
| LM1085G | 制造商:SEME-LAB 制造商全稱:Seme LAB 功能描述:3 AMP POSITIVE VOLTAGE REGULATOR |
| LM1085IG | 制造商:SEME-LAB 制造商全稱:Seme LAB 功能描述:3 AMP POSITIVE VOLTAGE REGULATOR |
| LM1085IS-12 | 功能描述:低壓差穩(wěn)壓器 - LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LM1085IS-12/NOPB | 功能描述:低壓差穩(wěn)壓器 - LDO 3A LDO POS REG RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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