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LTC3530EDD-PBF PDF预览

LTC3530EDD-PBF

更新时间: 2024-01-03 05:40:06
品牌 Logo 应用领域
凌特 - Linear 转换器
页数 文件大小 规格书
16页 298K
描述
Wide Input Voltage Synchronous Buck-Boost DC/DC Converter

LTC3530EDD-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:TSSOP,
针数:10Reach Compliance Code:compliant
风险等级:5.15模拟集成电路 - 其他类型:SWITCHING REGULATOR
控制模式:VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:5.5 V最小输入电压:1.8 V
标称输入电压:3.6 VJESD-30 代码:S-PDSO-G10
JESD-609代码:e3长度:3 mm
湿度敏感等级:1功能数量:1
端子数量:10最高工作温度:85 °C
最低工作温度:最大输出电流:1 A
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.1 mm表面贴装:YES
切换器配置:BUCK-BOOST最大切换频率:1300 kHz
温度等级:OTHER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:30
宽度:3 mmBase Number Matches:1

LTC3530EDD-PBF 数据手册

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LTC3530  
Wide Input Voltage  
Synchronous Buck-Boost  
DC/DC Converter  
DESCRIPTION  
FEATURES  
The LTC®3530 is a wide V range, highly efficient, fixed  
n
Regulated Output with Input Voltages Above, Below  
IN  
or Equal to the Output  
frequency, buck-boost DC/DC converter that operates  
from input voltages above, below or equal to the output  
voltage. The topology incorporated in the IC provides a  
continuoustransferfunctionthroughalloperatingmodes,  
making the product ideal for single lithium-ion, two-cell  
alkaline or NiMH applications where the output voltage is  
within the battery voltage range.  
n
1.8V to 5.5V Input and 1.8V to 5.25V Output Range  
n
250mA Continuous Output Current from 1.8V V  
600mA Continuous/1A Peak Output Current from  
Li-Ion  
Single Inductor  
Synchronous Rectification: Up to 96% Efficiency  
Programmable Automatic Burst Mode® Operation  
Output Disconnect in Shutdown  
Pin Compatible with the LTC3440  
Programmable Frequency from 300kHz to 2MHz  
<1μA Shutdown Current  
IN  
n
n
n
n
n
n
n
n
n
The LTC3530 is pin compatible with the LTC3440 buck-  
boostDC/DCconverterbutaddsprogrammableautomatic  
Burst Mode operation and extends the V /V  
range to  
IN OUT  
1.8V. Switching frequencies up to 2MHz are programmed  
with an external resistor. Automatic Burst Mode operation  
allows the user to program the load current threshold for  
Burst Mode operation using a single resistor from the  
BURST pin to GND.  
Small Thermally Enhanced 10-Lead (3mm × 3mm)  
DFN and 10-Lead MS Packages  
APPLICATIONS  
Other features include 1μA shutdown, short circuit pro-  
tection, programmable soft-start control, current limit  
and thermal shutdown. The LTC3530 is available in a  
thermally enhanced 10-lead (3mm × 3mm) DFN or MSOP  
package.  
n
MP3 Players  
n
Handheld Instruments  
n
Digital Cameras  
Smart Phones  
Portable GPS Units  
Miniature Hard Disk Drive Power  
n
n
L, LT, LTC, LTM and Burst Mode are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners. Patents Pending.  
n
TYPICAL APPLICATION  
Efficiency  
4.7μH  
100  
V
V
= 4.2V  
= 3.6V  
IN  
Burst Mode V = 3.6V  
IN  
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
SW1  
SW2  
V
OUT  
IN  
3.3V AT  
250mA  
V
OUT  
33pF  
15k  
1.8V TO 5.5V  
OFF ON  
V
LTC3530  
IN  
1M  
FB  
SHDN/SS  
22μF  
10k  
V
C
V
= 2.0V  
IN  
R
T
576k  
10μF  
560pF  
0.01μF  
BURST  
GND  
33.2k  
100k  
0.1  
1
10  
100  
1000  
LOAD CURRENT (mA)  
3530 TA01a  
3350 TA01b  
3530fb  
1

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