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LTC3534EDHC#PBF PDF预览

LTC3534EDHC#PBF

更新时间: 2024-11-12 21:21:03
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
20页 213K
描述
LTC3534 - 7V, 500mA Synchronous Buck-Boost DC/DC Converter; Package: DFN; Pins: 16; Temperature Range: -40°C to 85°C

LTC3534EDHC#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, SOLCC16,.12,20
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:3.54其他特性:ALSO OPERATES IN ADJUSTABLE MODE FROM 1.8V TO 7V
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:7 V
最小输入电压:2.4 V标称输入电压:5 V
JESD-30 代码:R-PDSO-N16JESD-609代码:e3
长度:5 mm湿度敏感等级:1
功能数量:1端子数量:16
最高工作温度:85 °C最低工作温度:
标称输出电压:5 V封装主体材料:PLASTIC/EPOXY
封装代码:HVSON封装等效代码:SOLCC16,.12,20
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:BUCK-BOOST
最大切换频率:1150 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:3 mmBase Number Matches:1

LTC3534EDHC#PBF 数据手册

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LTC3534  
7V, 500mA Synchronous  
Buck-Boost DC/DC  
Converter  
FEATURES  
DESCRIPTION  
The LTC®3534 is a wide V range, highly efficient, fixed  
n
Regulated Output with Input Voltages Above,  
IN  
Below 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 multi-cell Alkaline/NiMH or  
singleLithium-Ion/Polymerapplicationswheretheoutput  
voltage is within the battery voltage range.  
n
2.4V to 7V Input and 1.8V to 7V Output  
Voltage Range  
n
5V V  
at 500mA from 4 AA Cells  
OUT  
n
n
n
n
n
n
n
Single Inductor  
Synchronous Rectification: Up to 94% Efficiency  
Burst Mode® Operation with 25μA I  
Q
Output Disconnect in Shutdown  
1MHz Switching Frequency  
<1μA Shutdown Current  
Small Thermally Enhanced 16-Lead (5mm × 3mm ×  
0.75mm) DFN and 16-Lead GN Packages  
The LTC3534 offers extended V and V  
ranges of 2.4V  
IN  
OUT  
to 7V and 1.8V to 7V, respectively. Quiescent current is  
only 25μA in Burst Mode operation, maximizing battery  
life in portable applications. Burst Mode operation is user  
controlled and can be enabled by driving the PWM pin  
low. If the PWM pin is driven high then fixed frequency  
switching is enabled.  
APPLICATIONS  
Other features include fixed 1MHz operating frequency, a  
<1μA shutdown, short-circuit protection, programmable  
soft-start, current limit and thermal overload protection.  
TheLTC3534isavailableinthethermallyenhanced16-lead  
(3mm × 5mm) DFN and 16-lead GN packages.  
n
Medical Instruments  
n
Portable Barcode Readers  
n
Portable Inventory Terminals  
USB to 5V Supply  
Handheld GPS  
n
n
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
Burst Mode is a registered trademark of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
TYPICAL APPLICATION  
4 AA Cells to 5V at 500mA Buck-Boost Converter  
4 AA Cells to 5V Efficiency vs VIN  
100  
5μH  
95  
SW1  
SW2  
PWM I  
= 300mA  
V
OUT  
OUT  
V
IN  
PV  
IN  
V
5V  
OUT  
3.6V TO 6.4V  
90  
85  
80  
75  
+
500mA  
4 AA  
CELLS  
V
22μF  
IN  
10k  
33pF  
649k  
PWM I  
= 500mA  
10μF  
OUT  
LTC3534  
FB  
OFF ON  
RUN/SS  
PWM  
15k  
V
C
BURST PWM  
PGND1 GND PGND2  
162k  
330pF  
3534 TA01a  
3.6 4.0 4.4 4.8 5.2 5.6 6.0 6.4  
(V)  
V
IN  
3534 TA01b  
3534f  
1

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