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LT3581IDE-PBF PDF预览

LT3581IDE-PBF

更新时间: 2024-02-24 02:22:21
品牌 Logo 应用领域
凌特 - Linear 转换器
页数 文件大小 规格书
36页 497K
描述
3.3A Boost/Inverting DC/DC Converter with Fault Protection

LT3581IDE-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:HTSSOP,
针数:16Reach Compliance Code:compliant
风险等级:5.15其他特性:ALSO OPERATES AS LDO REGULATOR
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:22 V
最小输入电压:2.5 V标称输入电压:5 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:5.4 A封装主体材料:PLASTIC/EPOXY
封装代码:HTSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
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:BOOST
最大切换频率:2750 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:NOT SPECIFIED
宽度:3 mmBase Number Matches:1

LT3581IDE-PBF 数据手册

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LT3581  
elecTrical characTerisTics The l denotes the specifications which apply over the full operating  
temperature range, otherwise specifications are at TA = 25°C. VIN = 5V, VSHDN = VIN, VFAULT = VIN, unless otherwise noted. (Note 2).  
PARAMETER  
CONDITIONS  
V = 30mV, Current Flows Out of SS pin  
SS  
MIN  
5.7  
TYP  
8.7  
8.7  
1.8  
50  
MAX  
11.3  
11.3  
1.95  
85  
UNITS  
µA  
l
l
l
l
Soft-Start Charge Current  
Soft-Start Discharge Current  
Soft-Start High Detection Voltage  
Soft-Start Low Detection Voltage  
SHDN Minimum Input Voltage High  
Part in FAULT, V = 2.1V, Current Flows into SS Pin  
5.7  
µA  
SS  
Part in FAULT  
1.65  
30  
V
Part Exiting FAULT  
mV  
l
l
Active Mode, SHDN Rising  
Active Mode, SHDN Falling  
1.27  
1.24  
1.33  
1.3  
1.41  
1.38  
V
V
l
SHDN Input Voltage Low  
SHDN Pin Bias Current  
Shutdown Mode  
0.3  
V
V
SHDN  
V
SHDN  
V
SHDN  
= 3V  
= 1.3V  
= 0V  
40  
11.4  
0
60  
13.4  
0.1  
µA  
µA  
µA  
9.7  
1.9  
CLKOUT Output Voltage High  
CLKOUT Output Voltage Low  
CLKOUT Duty Cycle  
C
C
= 50pF  
= 50pF  
2.1  
5
2.3  
V
mV  
%
CLKOUT  
CLKOUT  
200  
T = 25°C  
J
42  
12  
8
CLKOUT Rise Time  
C
C
= 50pF  
= 50pF  
ns  
CLKOUT  
CLKOUT  
CLKOUT Fall Time  
ns  
l
l
GATE Pull Down Current  
V
V
= 3V  
= 80V  
800  
800  
933  
933  
1100  
1100  
µA  
µA  
GATE  
GATE  
GATE Leakage Current  
FAULT Output Voltage Low  
FAULT Leakage Current  
FAULT Input Voltage Low  
FAULT Input Voltage High  
V
= 50V, GATE Off  
0.01  
150  
1
300  
1
µA  
mV  
µA  
GATE  
l
100μA into FAULT Pin  
= 40V, FAULT Off  
V
0.01  
750  
FAULT  
l
l
700  
950  
800  
1050  
mV  
mV  
1000  
Note 1: Stresses beyond those listed under Absolute Maximum Ratings  
may cause permanent damage to the device. Exposure to any Absolute  
Maximum Rating condition for extended periods may affect device  
reliability and lifetime.  
Note 2: The LT3581E is guaranteed to meet performance specifications  
from 0°C to 125°C. Specifications over the –40°C to 125°C junction  
temperature range are assured by design, characterization and correlation  
with statistical process controls.  
Note 3: Current limit guaranteed by design and/or correlation to static test.  
Note 4: This IC includes overtemperature protection that is intended  
to protect the device during momentary overload conditions. Junction  
temperature will exceed 125°C when overtemperature protection is active.  
Continuous operation over the specified maximum operating junction  
temperature may impair device reliability.  
3581f  

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