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LM3311SQ PDF预览

LM3311SQ

更新时间: 2024-02-22 21:03:41
品牌 Logo 应用领域
美国国家半导体 - NSC 转换器开关运算放大器脉冲
页数 文件大小 规格书
29页 2046K
描述
Step-Up PWM DC/DC Converter with Integrated LDO, Op-Amp, and Gate Pulse Modulation Switch

LM3311SQ 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:QFN
包装说明:HVQCCN, LCC24,.16SQ,20针数:24
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.21
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:7 V
最小输入电压:2.5 V标称输入电压:2.5 V
JESD-30 代码:S-XQCC-N24JESD-609代码:e3
长度:4 mm湿度敏感等级:1
功能数量:1端子数量:24
最高工作温度:125 °C最低工作温度:-40 °C
最大输出电流:2.6 A封装主体材料:UNSPECIFIED
封装代码:HVQCCN封装等效代码:LCC24,.16SQ,20
封装形状:SQUARE封装形式:CHIP CARRIER, 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:BOOST
最大切换频率:1280 kHz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:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:4 mm
Base Number Matches:1

LM3311SQ 数据手册

 浏览型号LM3311SQ的Datasheet PDF文件第3页浏览型号LM3311SQ的Datasheet PDF文件第4页浏览型号LM3311SQ的Datasheet PDF文件第5页浏览型号LM3311SQ的Datasheet PDF文件第7页浏览型号LM3311SQ的Datasheet PDF文件第8页浏览型号LM3311SQ的Datasheet PDF文件第9页 
Absolute Maximum Ratings (Note 1)  
If Military/Aerospace specified devices are required,  
please contact the National Semiconductor Sales Office/  
Distributors for availability and specifications.  
Maximum Junction  
Temperature  
150˚C  
Power Dissipation(Note 3)  
Lead Temperature  
Internally Limited  
300˚C  
VIN  
7.5V  
21V  
Vapor Phase (60 sec.)  
Infrared (15 sec.)  
215˚C  
SW Voltage  
FB Voltage  
220˚C  
VIN  
ESD Susceptibility (Note 4)  
Human Body Model  
VC Voltage (Note 2)  
SHDN Voltage  
FREQ  
1.265V 0.3V  
7.5V  
2kV  
VIN  
Operating Conditions  
Operating Junction  
Temperature Range (Note 5)  
Storage Temperature  
Supply Voltage  
AVIN  
12V  
Amplifier Inputs/Output  
LVIN  
Rail-to-Rail  
7.5V  
−40˚C to +125˚C  
−65˚C to +150˚C  
2.5V to 7V  
20V  
ADJ Voltage  
VOUT  
LVIN  
LVIN  
Maximum SW Voltage  
VGH Voltage Range  
Op-Amp Supply, AVIN  
LDO Supply, LVIN  
VGH Voltage  
VGHM Voltage  
VFLK, VDPM, VDD Voltage  
CE Voltage (Note 2)  
RE Voltage  
31V  
5V to 30V  
VGH  
4V to 12V  
7.5V  
2.5V to 7V  
1.265 + 0.3V  
VGH  
Electrical Characteristics  
Specifications in standard type face are for TJ = 25˚C and those with boldface type apply over the full Operating Tempera-  
ture Range ( TJ = −40˚C to +125˚C). Unless otherwise specified, VIN = LVIN = 2.5V and IL = 0A.  
Min  
(Note 5)  
Typ  
(Note 6)  
690  
Max  
(Note 5)  
1100  
0.5  
Symbol  
Parameter  
Conditions  
Units  
IQ  
Quiescent Current  
FB = 2V (Not Switching)  
VSHDN = 0V  
µA  
0.04  
8.5  
660kHz Switching  
1.28MHz Switching  
2.1  
3.1  
2.8  
mA  
V
4.0  
VFB  
Feedback Voltage  
1.231  
-0.26  
2.0  
1.263  
1.287  
%VFB/VIN Feedback Voltage Line  
2.5V VIN 7V  
0.089  
0.42  
%/V  
Regulation  
ICL  
Switch Current Limit (Note 7) (Note 8)  
2.6  
27  
A
nA  
IB  
FB Pin Bias Current (Note 9)  
SS Pin Current  
160  
13.5  
1.28  
7
ISS  
VSS  
VIN  
gm  
8.5  
1.20  
2.5  
26  
11  
µA  
SS Pin Voltage  
1.24  
V
Input Voltage Range  
V
Error Amp Transconductance I = 5µA  
74  
69  
133  
µmho  
V/V  
AV  
Error Amp Voltage Gain  
DMAX  
Maximum Duty Cycle  
Switching Frequency  
Shutdown Pin Current  
fS = 660kHz  
80  
80  
91  
%
fS = 1.28MHz  
89  
fS  
FREQ = Ground  
FREQ = VIN  
440  
1.0  
660  
1.28  
8
760  
1.5  
13.5  
2
kHz  
MHz  
µA  
ISHDN  
VSHDN = 2.5V  
VSHDN = 0.3V  
1
IL  
Switch Leakage Current  
Switch RDSON  
VSW = 20V  
0.03  
0.18  
5
µA  
RDSON  
ThSHDN  
ISW = 500mA  
0.35  
SHDN Threshold  
Output High, VIN = 2.5V to  
7V  
V
1.4  
Output Low, VIN = 2.5V to 7V  
0.4  
www.national.com  
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