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LTC3528BEDDB#PBF PDF预览

LTC3528BEDDB#PBF

更新时间: 2024-02-13 15:07:33
品牌 Logo 应用领域
凌特 - Linear 转换器
页数 文件大小 规格书
16页 265K
描述
LTC3528/LTC3528B - 1A, 1MHz Synchronous Step-Up DC/DC Converters in 3mm x 2mm DFN; Package: DFN; Pins: 8; Temperature Range: -40°C to 85°C

LTC3528BEDDB#PBF 技术参数

是否Rohs认证: 符合生命周期:Transferred
零件包装代码:DFN包装说明:HVSON, SOLCC8,.08,20
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:2.99其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 1.6V TO 5.25V
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:5.5 V
最小输入电压:0.5 V标称输入电压:1.2 V
JESD-30 代码:R-PDSO-N8JESD-609代码:e3
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:8
最高工作温度:85 °C最低工作温度:
标称输出电压:3.3 V封装主体材料:PLASTIC/EPOXY
封装代码:HVSON封装等效代码:SOLCC8,.08,20
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:0.8 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BOOST
最大切换频率:2400 kHz技术:CMOS
温度等级:OTHER端子面层:Matte Tin (Sn)
端子形式:NO LEAD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:30
宽度:2 mmBase Number Matches:1

LTC3528BEDDB#PBF 数据手册

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LTC3528/LTC3528B  
1A, 1MHz Synchronous  
Step-Up DC/DC Converters  
in 3mm × 2mm DFN  
FEATURES  
DESCRIPTION  
TheLTC®3528/LTC3528Baresynchronous,xedfrequency  
step-up DC/DC converters with output disconnect. High  
efficiencysynchronousrectification,inadditiontoa700mV  
start-up voltage and operation down to 500mV once  
started, provides longer run-time for single or multiple  
cell battery-powered products.  
Delivers 3.3V at 200mA from a Single Alkaline/  
NiMH Cell or 3.3V at 400mA from Two Cells  
IN  
V Start-Up Voltage: 700mV  
1.6V to 5.25V V  
Range  
OUT  
Up to 94% Efficiency  
Output Disconnect  
1MHz Fixed Frequency Operation  
A switching frequency of 1MHz minimizes solution foot-  
print by allowing the use of tiny, low profile inductors and  
ceramic capacitors. The current mode PWM is internally  
compensated,simplifyingthedesignprocess.TheLTC3528  
enters Burst Mode operation at light loads, while the  
LTC3528B features continuous switching at light loads.  
Anti-ringingcircuitryreducesEMIbydampingtheinductor  
in discontinuous mode. Additional features include a low  
shutdown current, open-drain power good output, short-  
circuit protection and thermal overload protection.  
V > V  
Operation  
IN  
OUT  
Integrated Soft-Start  
Current Mode Control with Internal Compensation  
Burst Mode® Operation with 12μA Quiescent Current  
(LTC3528)  
Low Noise PWM Operation (LTC3528B)  
Internal Synchronous Rectifier  
Logic Controlled Shutdown: <1μA  
Anti-Ringing Control  
Low Profile (3mm × 2mm × 0.75mm) DFN Package  
The LTC3528/LTC3528B are offered in an 8-lead 3mm ×  
2mm × 0.75mm DFN package.  
, LT, LTC, LTM and Burst Mode are registered trademarks of Linear Technology  
Corporation. All other trademarks are the property of their respective owners.  
APPLICATIONS  
Medical Instruments  
Flash-Based MP3 Players  
Noise Canceling Headphones  
Wireless Mice  
Bluetooth Headsets  
TYPICAL APPLICATION  
Efficiency and Power Loss  
100  
90  
1000  
100  
10  
V
V
= 3.3V  
OUT  
IN  
= 2.4V  
4.7μH  
80  
70  
60  
50  
40  
30  
SW  
V
OUT  
EFFICIENCY  
V
IN  
3.3V  
V
IN  
V
OUT  
1.8V TO 3.2V  
400mA  
499k  
287k  
33pF  
4.7μF  
LTC3528  
1
PGOOD  
FB  
10μF  
POWER LOSS  
SHDN  
OFF ON  
GND  
0.1  
3528 TA01a  
0.01  
1000  
0.1  
1
10  
0.01  
100  
LOAD CURRENT (mA)  
3528 TA01b  
3528fa  
1

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