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LTC3111EDE#PBF PDF预览

LTC3111EDE#PBF

更新时间: 2024-11-13 21:16:15
品牌 Logo 应用领域
凌特 - Linear 开关光电二极管输出元件
页数 文件大小 规格书
32页 503K
描述
LTC3111 - 15V, 1.5A Synchronous Buck-Boost DC/DC Converter; Package: DFN; Pins: 14; Temperature Range: -40°C to 85°C

LTC3111EDE#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,
针数:14Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:3.85其他特性:OPERATES IN ADJUSTABLE OUTPUT MODE FROM 2.5V TO 15V
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:15 V
最小输入电压:2.5 V标称输入电压:5 V
JESD-30 代码:R-PDSO-N14JESD-609代码:e3
长度:4 mm功能数量:1
端子数量:14最高工作温度:125 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:HVSON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):NOT SPECIFIED
座面最大高度:0.8 mm表面贴装:YES
切换器配置:BUCK-BOOST最大切换频率:1500 kHz
技术:CMOS温度等级:AUTOMOTIVE
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:NOT SPECIFIED宽度:3 mm
Base Number Matches:1

LTC3111EDE#PBF 数据手册

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LTC3111  
15V, 1.5A Synchronous  
Buck-Boost DC/DC  
Converter  
FEATURES  
DESCRIPTION  
The LTC®3111 is a fixed frequency, synchronous buck-  
boost DC/DC converter with an extended input and output  
range. The unique 4-switch, single inductor architecture  
provides low noise and seamless operation from input  
voltages above, below or equal to the output voltage.  
n
Regulated Output with V Above, Below  
IN  
or Equal to V  
OUT  
n
n
2.5V to 15V Input and Output Voltage Range  
1.5A Continuous Output Current: V ≥ 5V,  
IN  
V
= 5V, PWM Mode  
OUT  
n
n
n
n
Single Inductor  
Withaninputandoutputrangeof2.5Vto15V,theLTC3111  
is well suited for a wide variety of single or multiple-cell  
batteries,back-upcapacitororwalladaptersourceapplica-  
Accurate RUN Threshold  
Up to 95% Efficiency  
800kHz Switching Frequency, Synchronizable  
Between 600kHz and 1.5MHz  
49µA No-Load Quiescent Current in Burst Mode®  
Operation  
Output Disconnect in Shutdown  
Shutdown Current < 1µA  
Internal Soft-Start  
tions. Low R  
internal N-channel MOSFET switches  
DS(ON)  
and selectable PWM or Burst Mode operation produce  
high efficiency over a wide range of operating conditions.  
n
n
n
n
n
An accurate RUN pin allows the user to program the  
turn-on threshold voltage of the converter. Other features  
include: short-circuit protection, internal soft-start and  
thermal shutdown.  
Small, Thermally Enhanced 14-Lead (3mm × 4mm ×  
0.75mm) DFN and 16-Lead MSOP Packages  
The LTC3111 is offered in both thermally enhanced  
14-lead (3mm × 4mm × 0.75mm) DFN and 16-lead MSOP  
packages.  
APPLICATIONS  
n
3.3V or 5V from 1, 2 or 3 Li-Ion, Multiple-Cell  
L, LT, LTC, LTM, Linear Technology, the Linear logo, Burst Mode, LTspice are registered  
trademarks and No R  
and PowerPath are trademarks of Linear Technology Corporation.  
SENSE  
Alkaline/NiMH Batteries  
All other trademarks are the property of their respective owners. Protected by U.S. Patents,  
including 6404251, 6166527, 5481178, 6304066, 6580258.  
n
RF Transmitters  
Military, Industrial Power Systems  
n
TYPICAL APPLICATION  
5V, 800kHz Wide Input Voltage Buck-Boost Regulator  
Efficiency at 5VOUT  
100  
4.7µH  
PWM  
90  
0.1µF  
0.1µF  
SW1  
SW2  
BURST  
80  
V
BST1  
BST2  
OUT  
5V  
V
IN  
V
IN  
V
OUT  
1.5A  
70  
60  
50  
40  
2.5V TO 15V  
680pF  
27pF  
1µF  
10µF  
22µF  
(V > 5V)  
IN  
LTC3111  
26.1k  
20k  
33pF  
COMP  
FB  
1M  
BURST PWM  
OFF ON  
PWM/SYNC  
RUN  
V
V
V
= 2.7V  
= 5V  
IN  
IN  
IN  
191k  
SNSGND  
SGND  
V
CC  
PGND  
= 12V  
3111 TA01a  
30  
0.0001 0.001  
0.01  
0.1  
1
10  
LOAD CURRENT (A)  
3111 TA01b  
3111fa  
1
For more information www.linear.com/LTC3111  

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