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LTC3526EDC-2#PBF PDF预览

LTC3526EDC-2#PBF

更新时间： 2024-10-02 13:09:51
品牌 Logo 应用领域
凌特 - Linear 转换器
页数 文件大小 规格书
16页 259K
描述
LTC3526-2 - 500mA 2MHz Synchronous Step-Up DC/DC Converter in 2mm x 2mm DFN; Package: DFN; Pins: 6; Temperature Range: -40°C to 85°C

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中文翻译

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LTC3526EDC-2#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, SOLCC6,.08,20
针数：6Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.17其他特性：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 V
最小输入电压：0.5 V标称输入电压：1.2 V
JESD-30 代码：S-PDSO-N6JESD-609代码：e3
长度：2 mm湿度敏感等级：1
功能数量：1端子数量：6
最高工作温度：85 °C最低工作温度：
最大输出电流：0.7 A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：SOLCC6,.08,20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）：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 mm
Base Number Matches：1

LTC3526EDC-2#PBF 数据手册

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LTC3526-2/LTC3526B-2  
500mA 2MHz Synchronous  
Step-Up DC/DC Converters  
in 2mm × 2mm DFN  
FEATURES  
DESCRIPTION  
The LTC®3526-2/LTC3526B-2 are synchronous, fixed  
frequency step-up DC/DC converters with output discon-  
nect. Synchronous rectification enables high efficiency  
in the low profile 2mm × 2mm DFN package. Battery life  
in single AA/AAA powered products is extended further  
with an 850mV start-up voltage and operation down to  
500mV once started.  
n
Delivers 3.3V at 100mA from a Single Alkaline/  
NiMH Cell or 3.3V at 200mA from Two Cells  
IN  
n
V Start-Up Voltage: 850mV  
n
n
n
n
n
n
n
n
n
V Operating Range: 0.5V to 5V  
IN  
1.6V to 5.25V V  
Range  
OUT  
Up to 94% Efficiency  
Output Disconnect  
2MHz Fixed Frequency Operation  
A switching frequency of 2MHz minimizes solution foot-  
print by allowing the use of tiny, low profile inductors  
and ceramic capacitors. The current mode PWM design  
is internally compensated, reducing external parts count.  
TheLTC3526-2featuresBurstModeoperationatlightload  
conditions, while the LTC3526B-2 features continuous  
switching. Anti-ring circuitry eliminates EMI concerns by  
damping the inductor in discontinuous mode. Additional  
features include a low shutdown current of under 1μA and  
thermal shutdown.  
V > V  
Operation  
IN  
OUT  
Integrated Soft-Start  
Current Mode Control with Internal Compensation  
Burst Mode® Operation with 9μA Quiescent Current  
(LTC3526-2)  
n
n
n
n
n
Low Noise PWM Operation (LTC3526B-2)  
Internal Synchronous Rectifier  
Logic Controlled Shutdown (I < 1μA)  
Q
Anti-Ringing Control  
Low Profile (2mm × 2mm × 0.75mm) DFN-6 Package  
The LTC3526-2/LTC3526B-2 are housed in a 6-pin  
2mm × 2mm × 0.75mm DFN package.  
APPLICATIONS  
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. Burst Mode  
is a trademark of Linear Technology Corporation. All other trademarks are the property of their  
respective owners. Patents pending.  
n
Medical Instruments  
n
Flash-Based MP3 Players  
n
Noise Canceling Headphones  
Wireless Mice  
Bluetooth Headsets  
n
n
TYPICAL APPLICATION  
LTC3526-2 Efficiency and Power Loss vs Load Current  
100  
1000  
100  
10  
2.2μH  
V
= 2.4V  
IN  
90  
EFFICIENCY  
80  
SW  
V
OUT  
70  
V
IN  
3.3V  
V
IN  
V
OUT  
1.6V TO 3.2V  
60  
50  
200mA  
1μF  
LTC3526-2  
SHDN FB  
GND  
1.78M  
1M  
POWER LOSS  
OFF ON  
4.7μF  
40  
30  
20  
10  
0
1
35262b2fA01a  
0.1  
0.01  
0.01  
0.1  
1
10  
100  
1000  
LOAD CURRENT (mA)  
35262b2f TA01b  
35262b2fa  
1
1234567...16

中文翻译

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