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LT3048IDC-5#PBF PDF预览

LT3048IDC-5#PBF

更新时间: 2024-02-17 03:32:33
品牌 Logo 应用领域
凌特 - Linear 开关光电二极管
页数 文件大小 规格书
16页 1579K
描述
LT3048 Series - Low Noise Bias Generator in 2mm x 2mm DFN; Package: DFN; Pins: 8; Temperature Range: -40°C to 85°C

LT3048IDC-5#PBF 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active包装说明:HVSON,
针数:8Reach Compliance Code:compliant
风险等级:5.83模拟集成电路 - 其他类型:SWITCHING REGULATOR
JESD-30 代码:S-PDSO-N8JESD-609代码:e3
长度:2 mm功能数量:1
端子数量:8封装主体材料:PLASTIC/EPOXY
封装代码:HVSON封装形状:SQUARE
封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):NOT SPECIFIED
座面最大高度:0.85 mm表面贴装:YES
温度等级:AUTOMOTIVE端子面层:Matte Tin (Sn)
端子形式:NO LEAD端子节距:0.45 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:2 mm

LT3048IDC-5#PBF 数据手册

 浏览型号LT3048IDC-5#PBF的Datasheet PDF文件第2页浏览型号LT3048IDC-5#PBF的Datasheet PDF文件第3页浏览型号LT3048IDC-5#PBF的Datasheet PDF文件第4页浏览型号LT3048IDC-5#PBF的Datasheet PDF文件第5页浏览型号LT3048IDC-5#PBF的Datasheet PDF文件第6页浏览型号LT3048IDC-5#PBF的Datasheet PDF文件第7页 
LT3048 Series  
Low Noise Bias Generator  
in 2mm × 2mm DFN  
FEATURES  
DESCRIPTION  
The LT®3048 series generate low noise, low ripple bias  
supplies from input voltages of 2.7V to 4.8V.  
n
Generates Low Noise Bias Voltage from Single  
Cell Li-Ion Battery  
Output Current: Up to 40mA  
n
The LT3048 includes a boost regulator and a LDO linear  
regulator. The boost regulator provides power to the  
linear regulator.  
n
Low Output Ripple and Noise: <500µV  
Boost Regulator  
P-P  
n
n
1MHz Operation (LT3048)  
The boost regulator output voltage is regulated to 1.1V  
abovetheLDOoutput, optimizingLDOripplerejectionand  
transientresponse. Fixedfrequencyoperationandcurrent  
mode control allow the use of very small inductors and  
results in low, predictable output ripple.  
n
2.2MHz Operation (LT3048-XX)  
n
Integrated Schottky Diode  
n
Low Dropout Linear Regulator  
n
1.235V Feedback Voltage (LT3048)  
Low Noise: <120µV  
0.1% Load Regulation  
n
(10Hz to 100kHz)  
RMS  
n
The linear regulator in the LT3048 generates a program-  
mable output and the LT3048-XX generate fixed output  
voltages. High power supply ripple rejection combined  
with a low noise internal reference results in less than  
n
n
n
n
Fixed 3.3V, 5V, 12V, 15V and Adjustable Output Options  
Short-Circuit and Thermal Protection  
Load Disconnect in Shutdown  
500µV output ripple and noise.  
Available in 2mm × 2mm DFN Package  
P-P  
The LT3048 is available in a 8-lead 2mm × 2mm DFN  
package.  
APPLICATIONS  
All registered trademarks and trademarks are the property of their respective owners.  
n
Sensor Bias  
n
Op Amp Supply  
TYPICAL APPLICATION  
Efficiency  
ꢎꢊꢐꢑ  
ꢇꢈ  
80  
ꢚꢘꢙꢒ ꢁꢂ ꢋꢘꢌꢒ  
70  
60  
50  
ꢋꢘꢙꢐꢕ  
ꢀꢄ  
Bꢀꢁꢂꢃꢁ  
ꢅꢆꢂꢇꢈ  
ꢇꢈ  
ꢎꢐꢕ  
ꢉꢊꢋꢌꢍꢎꢏ  
ꢂꢃꢁ  
ꢎꢏꢒ  
ꢅꢆꢂꢂꢃꢁ  
40  
ꢎꢐꢕ  
ꢎꢔꢕ  
V
IN  
(V) I  
(mA)  
ꢎꢟ  
ꢚꢚ  
ꢚꢋ  
OUT  
ꢂꢕꢕ ꢂꢈ  
ꢓꢈ  
Bꢛꢜ  
30  
20  
10  
0
LDOOUT = 15V  
L = 10µH  
DCR = 650mΩ  
ꢚꢘꢙ  
ꢉꢘꢉ  
ꢉꢘꢞ  
ꢝꢈꢆ  
ꢉꢊꢋꢌ ꢁꢖꢊꢎꢗ  
V
V
V
= 2.7V  
= 3.3V  
= 3.6V  
IN  
IN  
IN  
5
10  
LOAD CURRENT (mA)  
20  
0
25  
15  
3048 TA01b  
Rev B  
1
For more information www.analog.com  

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