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LM2596SX-5.0 PDF预览

LM2596SX-5.0

更新时间： 2024-01-01 19:32:52
品牌 Logo 应用领域
德州仪器 - TI 转换器稳压器
页数 文件大小 规格书
42页 4730K
描述
LM2596 SIMPLE SWITCHER Power Converter 150 kHz 3A Step-Down Voltage Regulator

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LM2596SX-5.0 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：TO-263, SMT-5Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.08模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：VOLTAGE-MODE最大输入电压：40 V
最小输入电压：4.5 V标称输入电压：12 V
JESD-30 代码：R-PSSO-G5JESD-609代码：e3
长度：10.16 mm湿度敏感等级：3
功能数量：1端子数量：5
最高工作温度：125 °C最低工作温度：-40 °C
最大输出电流：7.5 A标称输出电压：5 V
封装主体材料：PLASTIC/EPOXY封装代码：TO-263
封装等效代码：SMSIP5H,.6,67TB封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：245
认证状态：Not Qualified座面最大高度：4.8 mm
子类别：Switching Regulator or Controllers最大供电电流 (Isup)：10 mA
表面贴装：YES切换器配置：BUCK
最大切换频率：173 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：1.7 mm
端子位置：SINGLE处于峰值回流温度下的最长时间：30
宽度：8.635 mmBase Number Matches：1

LM2596SX-5.0 数据手册

 浏览型号LM2596SX-5.0的Datasheet PDF文件第1页浏览型号LM2596SX-5.0的Datasheet PDF文件第2页浏览型号LM2596SX-5.0的Datasheet PDF文件第3页浏览型号LM2596SX-5.0的Datasheet PDF文件第5页浏览型号LM2596SX-5.0的Datasheet PDF文件第6页浏览型号LM2596SX-5.0的Datasheet PDF文件第7页 
LM2596  
SNVS124C –NOVEMBER 1999–REVISED APRIL 2013  
www.ti.com  
LM2596-ADJ Electrical Characteristics  
Specifications with standard type face are for TJ = 25°C, and those with boldface type apply over full Operating  
Temperature Range  
LM2596-ADJ  
Units  
(Limits)  
Symbol  
Parameter  
Conditions  
Typ  
Limit  
(1)  
(2)  
SYSTEM PARAMETERS (3) Test Circuit Figure 20  
VFB  
Feedback Voltage  
4.5V ≤ VIN ≤ 40V, 0.2A ≤ ILOAD ≤ 3A  
1.230  
73  
V
VOUT programmed for 3V. Circuit of Figure 20  
1.193/1.180  
1.267/1.280  
V(min)  
V(max)  
%
η
Efficiency  
VIN = 12V, VOUT = 3V, ILOAD = 3A  
(1) Typical numbers are at 25°C and represent the most likely norm.  
(2) All limits specified at room temperature (standard type face) and at temperature extremes (bold type face). All room temperature limits  
are 100% production tested. All limits at temperature extremes are ensured via correlation using standard Statistical Quality Control  
(SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL).  
(3) External components such as the catch diode, inductor, input and output capacitors, and voltage programming resistors can affect  
switching regulator system performance. When the LM2596 is used as shown in the Figure 20 test circuit, system performance will be  
as shown in system parameters of Electrical Characteristics section.  
All Output Voltage Versions Electrical Characteristics  
Specifications with standard type face are for TJ = 25°C, and those with boldface type apply over full Operating  
Temperature Range. Unless otherwise specified, VIN = 12V for the 3.3V, 5V, and Adjustable version and VIN = 24V for the  
12V version. ILOAD = 500 mA  
LM2596-XX  
Units  
Symbol  
Parameter  
Conditions  
Typ  
Limit  
(Limits)  
(1)  
(2)  
DEVICE PARAMETERS  
Ib  
Feedback Bias Current  
Adjustable Version Only, VFB = 1.3V  
10  
nA  
nA (max)  
kHz  
50/100  
(3)  
fO  
Oscillator Frequency  
Saturation Voltage  
See  
150  
127/110  
173/173  
kHz(min)  
kHz(max)  
V
(4) (5)  
VSAT  
DC  
IOUT = 3A  
1.16  
1.4/1.5  
V(max)  
%
(5)  
Max Duty Cycle (ON)  
Min Duty Cycle (OFF)  
Current Limit  
See  
100  
0
(6)  
See  
(4)(5)  
ICL  
Peak Current  
4.5  
A
3.6/3.4  
6.9/7.5  
50  
A(min)  
A(max)  
μA(max)  
mA  
(4)(6)  
IL  
Output Leakage Current  
Quiescent Current  
Output = 0V  
(7)  
Output = −1V  
2
5
30  
10  
mA(max)  
mA  
(6)  
IQ  
See  
mA(max)  
(1) Typical numbers are at 25°C and represent the most likely norm.  
(2) All limits specified at room temperature (standard type face) and at temperature extremes (bold type face). All room temperature limits  
are 100% production tested. All limits at temperature extremes are ensured via correlation using standard Statistical Quality Control  
(SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL).  
(3) The switching frequency is reduced when the second stage current limit is activated.  
(4) No diode, inductor or capacitor connected to output pin.  
(5) Feedback pin removed from output and connected to 0V to force the output transistor switch ON.  
(6) Feedback pin removed from output and connected to 12V for the 3.3V, 5V, and the ADJ. version, and 15V for the 12V version, to force  
the output transistor switch OFF.  
(7) VIN = 40V.  
4
Submit Documentation Feedback  
Copyright © 1999–2013, Texas Instruments Incorporated  
Product Folder Links: LM2596  
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