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LT3980IDE#PBF

更新时间： 2024-02-14 05:08:07
品牌 Logo 应用领域
凌特 - Linear 稳压器开关
页数 文件大小 规格书
20页 388K
描述
LT3980 - 58V, 2A, 2.4MHz Step-Down Switching Regulator with 85µA Quiescent Current; Package: DFN; Pins: 14; Temperature Range: -40°C to 85°C

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中文翻译

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LT3980IDE#PBF 技术参数

是否Rohs认证： 符合生命周期：Transferred
零件包装代码：MSOP包装说明：HTSSOP, TSSOP16,.19,20
针数：16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.12其他特性：DUMMY VAL
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：58 V
最小输入电压：3 V标称输入电压：10 V
JESD-30 代码：R-PDSO-G16JESD-609代码：e3
长度：4.039 mm湿度敏感等级：1
功能数量：1端子数量：16
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：4.9 A封装主体材料：PLASTIC/EPOXY
封装代码：HTSSOP封装等效代码：TSSOP16,.19,20
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, HEAT SINK/SLUG, 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子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：BUCK
最大切换频率：2550 kHz技术：BIPOLAR
温度等级：AUTOMOTIVE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

LT3980IDE#PBF 数据手册

 浏览型号LT3980IDE#PBF的Datasheet PDF文件第2页浏览型号LT3980IDE#PBF的Datasheet PDF文件第3页浏览型号LT3980IDE#PBF的Datasheet PDF文件第4页浏览型号LT3980IDE#PBF的Datasheet PDF文件第5页浏览型号LT3980IDE#PBF的Datasheet PDF文件第6页浏览型号LT3980IDE#PBF的Datasheet PDF文件第7页 
LT3504  
Quad 40V/1A Step-Down  
Switching Regulator with  
100% Duty Cycle Operation  
DescripTion  
FeaTures  
Wide Input Range: 3.2V to 40V  
The LT®3504 consists of four 1A output current buck  
regulators. The LT3504 has a wide operating input range  
of 3.2V to 40V. An on-chip boost regulator allows each  
channel to operate up to 100% duty cycle and eliminates  
theneedforfourexternalchargepumpcircuits.TheLT3504  
is designed to minimize external component count and  
results in a simple and small application circuit.  
n
n
Four 1A Outputs  
n
100% Duty Cycle Operation  
n
Resistor-Programmed Constant Frequency  
n
Short-Circuit Robust  
n
Wide SYNC Range: 250kHz to 2.2MHz  
n
Anti-Phase Switching Reduces Ripple  
n
800mV FB Voltage  
The LT3504 operates robustly in fault conditions. Cycle-  
by-cycle peak current limit and catch diode current limit  
sensing protect the part during overload conditions. Ther-  
mal shutdown protects the power switches at elevated  
temperatures. Soft-start helps keep the peak inductor  
current under control during startup.  
n
Independent Run/Soft-Start Pins  
n
Shutdown with UVLO  
n
Internal Compensation  
n
Thermal Shutdown  
n
Tiny 28-Lead (4mm × 5mm) Thermally Enhanced  
QFN Package  
The LT3504 also features output voltage tracking and  
sequencing, programmable frequency, programmable  
undervoltage lockout, and a power good pin to indicate  
when all outputs are in regulation.  
L, LT, LTC, LTM, Linear Technology, the Linear logo and Burst Mode are registered trademarks  
of Linear Technology Corporation. All other trademarks are the property of their respective  
owners.  
applicaTions  
n
Automotive Battery Regulation  
n
Industrial Control Supplies  
Wall Transformer Regulation  
n
n
Distributed Supply Regulation  
Typical applicaTion  
Quad Buck Regulator in 4 × 5 QFN  
LT3504 Start-Up and Shutdown  
Waveform. VIN (Top Trace) Is Ramped  
10µH  
from 0V Up to 8V and Then Back Down  
to 0V. The Other Four Traces Are the  
Output Voltages of All Four Channels  
SW4  
5V/1A  
52.3k  
10k  
10µF  
10µF  
DA4  
FB4  
SKY  
LT3504  
1µF  
10µH  
6.8µH  
V
IN  
V
1V/DIV  
IN  
3.3V/1A  
5.4V to 20V  
TRANSIENT TO 40V  
SW5  
SW3  
5V CHANNEL BEGINS  
100% DC OPERATION  
31.6k  
10k  
EN/UVLO  
DA3  
FB3  
V
IN  
V
IN  
V
IN  
V
IN  
3.3V CHANNEL BEGINS  
100% DC OPERATION  
CH4 1V/DIV  
4.7µH  
3.3µH  
CH3 1V/DIV  
CH2 1V/DIV  
CH1 1V/DIV  
UVLO = ~2.9V  
PARTS SHUTS  
OFF  
RUN/SS1  
RUN/SS2  
RUN/SS3  
RUN/SS4  
SW2  
2.5V/1A  
1.8V/1A  
22.1k  
10k  
22µF  
22µF  
1µF  
DA2  
FB2  
50nF  
3504 TA01b  
RT/SYNC  
100ms/DIV  
SW1  
1µF  
24.9k  
20k  
18.2k  
DA1  
FB1  
GND  
3504 TA01a  
f
= 1MHz  
SW  
3504f  
1
1234567...20

中文翻译

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LT3980IDE#PBF 替代型号

型号 品牌 替代类型 描述 数据表
LT3980IDE#TRPBF Linear

完全替代

 LT3980 - 58V, 2A, 2.4MHz Step-Down Switching Regulator with 85µA Quiescent Curren

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