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LT3055IMSE#PBF PDF预览

LT3055IMSE#PBF

更新时间: 2024-02-23 19:15:07
品牌 Logo 应用领域
凌特 - Linear 光电二极管输出元件调节器
页数 文件大小 规格书
26页 509K
描述
LT3055 Series - 500mA, Linear Regulator with Precision Current Limit and Diagnostics; Package: MSOP; Pins: 16; Temperature Range: -40°C to 85°C

LT3055IMSE#PBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:MSOP包装说明:LEAD FREE, PLASTIC, MSOP-16
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:8.41JESD-30 代码:R-PDSO-G16
JESD-609代码:e3长度:4.039 mm
湿度敏感等级:1功能数量:1
端子数量:16工作温度TJ-Max:125 °C
工作温度TJ-Min:-40 °C最大输出电流 1:0.5 A
最大输出电压 1:40 V最小输出电压 1:0.6 V
封装主体材料:PLASTIC/EPOXY封装代码:HTSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):NOT SPECIFIED调节器类型:ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR
座面最大高度:1.1 mm表面贴装:YES
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.5 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:3 mm
Base Number Matches:1

LT3055IMSE#PBF 数据手册

 浏览型号LT3055IMSE#PBF的Datasheet PDF文件第2页浏览型号LT3055IMSE#PBF的Datasheet PDF文件第3页浏览型号LT3055IMSE#PBF的Datasheet PDF文件第4页浏览型号LT3055IMSE#PBF的Datasheet PDF文件第5页浏览型号LT3055IMSE#PBF的Datasheet PDF文件第6页浏览型号LT3055IMSE#PBF的Datasheet PDF文件第7页 
LT3055 Series  
500mA, Linear Regulator  
with Precision Current Limit  
and Diagnostics  
FEATURES  
DESCRIPTION  
TheLT®3055seriesaremicropower,lownoise,lowdropout  
voltage(LDO)linearregulators.Thedevicessupply500mA  
of output current with a dropout voltage of 350mV. A 10nF  
n
Output Current: 500mA  
n
Dropout Voltage: 350mV  
n
Input Voltage Range: 1.8V to 45V  
n
Programmable Precision Current Limit: 10ꢀ  
bypass capacitor reduces output noise to 25μV  
in a  
RMS  
n
Output Current Monitor: 1/500th of I  
10Hz to 100kHz bandwidth and soft starts the reference.  
The LT3055’s ±±5V input voltage rating combined with its  
precision current limit and diagnostic functions make the  
IC an ideal choice for robust, high reliability applications.  
OUT  
Monitor  
n
Programmable Minimum I  
OUT  
n
n
Temperature Monitor: 10mV/°C  
FAULT Indicator: Current Limit, Thermal Limit or  
Minimum I  
OUT  
A single resistor programs the LT3055’s current limit, ac-  
curate to ±10ꢀ over a wide input voltage and temperature  
range. Another resistor programs the LT3055’s minimum  
output current monitor, useful for detecting open-circuit  
conditions. Thecurrentmonitorfunctionsourcesacurrent  
equal to 1/500th of output current. Logic fault pins assert  
low if the LT3055 is in current limit (FAULT2), operating  
belowitsminimumoutputcurrent(FAULT1)orisinthermal  
limit (both FAULT1 and FAULT2). PWRGD indicates output  
regulation.TheTEMPpinindicatesaveragedietemperature.  
n
n
n
n
Low Noise: 25μV  
(10Hz to 100kHz)  
RMS  
Adjustable Output (V = V  
= 0.6V)  
REF  
OUT(MIN)  
Output Tolerance: ±2ꢀ Over Load, Line and Temperature  
Stable with Low ESR, Ceramic Output Capacitors  
(3.3μF Minimum)  
n
n
n
Shutdown Current: <1μA  
Reverse Battery and Thermal Limit Protection  
16-Lead ±mm × 3mm DFN and MSOP Packages  
APPLICATIONS  
The LT3055 optimizes stability and transient response  
with low ESR ceramic capacitors, requiring a minimum of  
3.3μF. Internal protection circuitry includes current limit-  
ing, thermal limiting, reverse battery protection, reverse  
current protection and reverse output protection.  
n
Protected Antenna Supplies  
n
Automotive Telematics  
n
Industrial Applications (Trucks, Forklifts, etc.)  
High Reliability Applications  
Noise-Sensitive RF or DSP Supplies  
n
n
The LT3055 is available in fixed output voltages of 3.3V  
and 5V, and as an adjustable device with an output voltage  
range from 0.6V to ±0V.  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and  
ThinSOT is a trademark of Linear Technology Corporation. All other trademarks are the property  
of their respective owners.  
TYPICAL APPLICATION  
Precision Current Limit, RIMAX = 604Ω  
550  
V
= 5V  
OUT(NOMINAL)  
5V Supply with 497mA Precision Current Limit, 10mA IMIN  
540  
530  
520  
510  
500  
490  
480  
470  
460  
450  
LT3055-5  
IN  
OUT  
5V  
+
V
IN  
6V  
10µF  
10nF  
10µF  
SHDN SENSE  
200k 200k 200k  
V
= 7V  
FAULT1  
IN  
FAULT2  
ADJ  
MON  
PWRGD  
TO  
V
IN  
= 5.6V  
µP  
I
I
MAX  
MIN  
1k  
ADC  
604Ω  
0.1µF  
22nF  
(ADC  
(THRESHOLD = 497mA)  
FULL-SCALE = 1V)  
TO  
µP  
TEMP  
REF/BYP  
ADC  
I
–75 –50 –25  
0
25 50 75 100 125 150 175  
120k  
GND  
10nF  
0.1µF  
TEMPERATURE (°C)  
(THRESHOLD = 10mA)  
3055 TA01a  
3055 TA01b  
3055fa  
1
For more information www.linear.com/LT3055  

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