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LM1084S-2.5 PDF预览

LM1084S-2.5

更新时间: 2024-02-27 08:13:08
品牌 Logo 应用领域
其他 - ETC 稳压器
页数 文件大小 规格书
2页 83K
描述
5A LOW DROPOUT VOLTAGE REGULATOR (Adjustable & Fixed)

LM1084S-2.5 数据手册

 浏览型号LM1084S-2.5的Datasheet PDF文件第2页 
5A LOW DROPOUT VOLTAGE REGULATOR (Adjustable & Fixed)  
LM1084  
SOT-223 PKG (FRONT VIEW)  
FEATURES  
● Low Dropout Voltage 500mV at 5A Output Current  
● Fast Transient Response  
● 0.015% Line Regulation  
PIN FUNCTION  
1. Adj/Gnd  
2. Vout  
● 0.1% Load Regulation  
● Internal Thermal and Current Limiting  
● Adjustable or Fixed Output Voltage(1.5, 2.5, 2.85, 3.0, 3.3, 5.0V)  
● Surface Mount Package SOT-223 & TO-263 (D2 Package)  
● 100% Thermal Limit Burn-in  
3. Vin  
1
2
3
TO-263 (D2 PKG, FRONT VIEW)  
APPLICATIONS  
● Battery Charger  
PIN FUNCTION  
1. Adj/Gnd  
2. Vout  
● Adjustable Power Supplies  
● Constant Current Regulators  
● Portable Instrumentation  
3. Vin  
● High Efficiency Linear Power Supplies  
● High Efficiency "Green" Computer Systems  
● SMPS Post-Regulator  
● Power PC Supplies  
● Powering VGA & Sound Card  
1
2
3
ORDERING INFORMATION  
Device & Marking  
LM1084S-XX  
Package  
SOT 223  
LM1084T-XX  
TO263 (D2)  
(XX=Vout=1.5V, 2.5V, 2.85V, 3.0V, 3.3V, 5.0V  
DESCRIPTION  
Adjustable= AD)  
The LM1084 is a low dropout three terminal regulator with 5A output current capability.  
The output voltage is adjustable with the use of a resistor divider. Dropout is guaranteed at a maximum  
of 500 mV at maximum output current.  
It's low dropout voltage and fast transient response make it ideal for low voltage microprocessor  
applications. Internal current and thermal limiting provides protection against any overload condition  
that would create excessive junction temperature.  
TEST & TYPICAL APPLICATION CIRCUIT  
2
3
VIN  
5V  
VOUT  
LM1084  
3.33V  
VREF=VOUT-VADJ=1.25V(Typ.)  
VOUT=VREFx(1+RF2/RF1)+IADJxRF2  
IADJ=55㎂(Typ.)  
RF1  
124Ω  
1%  
VREF  
+
ADJ  
1
C1  
10㎌  
C2  
10㎌  
RF2  
205Ω  
1%  
(1) C1 Needed if device is far away  
from filter capacitors.  
(2) C2 Required for stability  
Adjustable Voltage Regulator  
HTC  
1

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