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LT1185CT#30PBF PDF预览

LT1185CT#30PBF

更新时间： 2024-09-25 14:52:47
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
16页 181K
描述
LT1185 - Low Dropout Regulator; Package: TO-220; Pins: 5; Temperature Range: 0°C to 70°C

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中文翻译

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LT1185CT#30PBF 技术参数

是否Rohs认证：符合生命周期：Transferred
零件包装代码：TO-220针数：5
Reach Compliance Code：not_compliant风险等级：5.55
Is Samacsys：N可调性：ADJUSTABLE
标称回动电压 1：0.67 VJESD-30 代码：R-PZIP-T5
JESD-609代码：e3最大电网调整率 (%/V)：0.01
最大负载调整率 (%)：0.3%输出次数：1
端子数量：5最高工作温度：70 °C
最低工作温度：最大输出电流 1：3 A
最大输出电压 1：25 V最小输出电压 1：2.5 V
封装主体材料：PLASTIC/EPOXY封装代码：ZIP
封装等效代码：ZIP5,.15,.2,67TB封装形状：RECTANGULAR
封装形式：IN-LINE认证状态：Not Qualified
子类别：Other Regulators表面贴装：NO
技术：BIPOLAR端子面层：Matte Tin (Sn) - with Nickel (Ni) barrier
端子形式：THROUGH-HOLE端子节距：1.7 mm
端子位置：ZIG-ZAGBase Number Matches：1

LT1185CT#30PBF 数据手册

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LT1185  
Low Dropout Regulator  
FEATURES  
■
The LT1185 uses a saturation-limited NPN transistor as  
the pass element. This device gives the linear dropout  
characteristics of a FET pass element with significantly  
lessdiearea.Highefficiencyismaintainedbyusingspecial  
anti-saturation circuitry that adjusts base drive to track  
load current. The “on resistance” is typically 0.25Ω.  
Low Resistance Pass Transistor: 0.25  
Ω
■
Dropout Voltage: 0.75V at 3A  
■
±
1% Reference Voltage  
Accurate Programmable Current Limit  
Shutdown Capability  
■
■
■
■
■
■
■
Internal Reference Available  
Full Remote Sense  
Accurate current limit is programmed with a single 1/8W  
external resistor, with a range of zero to three amperes. A  
second, fixed internal limit circuit prevents destructive  
currents if the programming current is accidentally over-  
ranged. Shutdown of the regulator output is guaranteed  
when the program current is less than 1µA, allowing  
external logic control of output voltage.  
Low Quiescent Current: 2.5mA  
Good High Frequency Ripple Rejection  
Available in 5-Lead TO-220 and DD Packages  
U
DESCRIPTIO  
TheLT®1185isa3Alowdropoutregulatorwithadjustable  
currentlimitandremotesensecapability. Itcanbeusedas  
a positive output regulator with floating input or as a  
standard negative regulator with grounded input. The  
outputvoltagerangeis2.5Vto25V,with±1%accuracyon  
the internal reference voltage.  
The LT1185 has all the protection features of previous  
LTC regulators, including power limiting and thermal  
shutdown.  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
U
TYPICAL APPLICATIO  
Dropout Voltage  
5V, 3A Regulator with 3.5A Current Limit  
1.6  
1.4  
1.2  
1.0  
+
+
+
2µF  
TANT  
R
*
LIM  
4.3k  
2.37k  
V
IN  
6V TO 16V  
REF  
GND  
+
V
OUT  
5V AT 3A  
2µF  
TANT  
FB  
T
= 25°C  
J
0.8  
0.6  
0.4  
0.2  
0
T
1
= 125°C  
J
V
LT1185  
2.67k  
–
IN  
V
–
OUT  
LT1185 • TA01  
T
= –55°C  
J
*CURRENT LIMIT = 15k/R  
LIM  
= 3.5A  
2
0
3
4
LOAD CURRENT (A)  
LT1185 • TA02  
1185ff  
1
1234567...16

中文翻译

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