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LM2653MTC-ADJ/NOPB

更新时间： 2024-11-02 12:09:43
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德州仪器 - TI 稳压器开关
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20页 1055K
描述
LM2653 1.5A High Efficiency Synchronous Switching Regulator

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LM2653MTC-ADJ/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：TSSOP
包装说明：TSSOP,针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：0.91Samacsys Description：Voltage Regulators - Switching Regulators 1.5A Hi Eff Sync Switch Reg
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：14 V
最小输入电压：4 V标称输入电压：10 V
JESD-30 代码：R-PDSO-G16JESD-609代码：e3
长度：5 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：1.5 A最大输出电压：5 V
最小输出电压：1.5 V封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, 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：1.2 mm
表面贴装：YES切换器配置：SINGLE
最大切换频率：345 kHz温度等级：AUTOMOTIVE
端子面层：Matte Tin (Sn)端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：4.4 mm

LM2653MTC-ADJ/NOPB 数据手册

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LM2653  
www.ti.com  
SNVS050E –NOVEMBER 1999–REVISED APRIL 2013  
LM2653 1.5A High Efficiency Synchronous Switching Regulator  
Check for Samples: LM2653  
1
FEATURES  
DESCRIPTION  
The LM2653 switching regulator provides high  
efficient power conversion over a 100:1 load range  
(1.5A to 15 mA). This feature makes the LM2653 an  
ideal fit in battery-powered applications.  
2
•
•
•
•
•
•
•
Efficiency up to 97%  
4V to 14V Input Voltage Range  
1.5V to 5.0V Adjustable Output Voltage  
0.1Ω Switch On Resistance  
Synchronous rectification is used to achieve up to  
97% efficiency. At light loads, the LM2653 enters a  
low power hysteretic or “sleep” mode to keep the  
efficiency high. In many applications, the efficiency  
still exceeds 80% at 15 mA load. A shutdown pin is  
available to disable the LM2653 and reduce the  
supply current to 7µA.  
300 kHz Fixed Frequency Internal Oscillator  
7 μA Shutdown Current  
Patented Current Sensing for Current Mode  
Control  
•
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Input Undervoltage Lockout  
Output Overvoltage Shutdown Protection  
Output Undervoltage Shutdown Protection  
Adjustable Soft-Start  
All the power, control, and drive functions are  
integrated within the ICs. The ICs contain patented  
current sensing circuity for current mode control. This  
feature eliminates the external current sensing  
resistor required by other current-mode DC-DC  
converters.  
Adjustable PGOOD Delay  
Current Limit and Thermal Shutdown  
The ICs have a 300 kHz fixed frequency internal  
oscillator. The high oscillator frequency allows the  
use of extremely small, low profile components.  
APPLICATIONS  
•
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•
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•
Webpad  
Personal Digital Assistants (PDAs)  
Computer Peripherals  
Protection features include thermal shutdown, input  
undervoltage lockout, adjustable soft-start, cycle by  
cycle current limit, output overvoltage and  
undervoltage protections.  
Battery-Powered Devices  
Notebook Computer Video Supply  
Handheld Scanners  
GXM I/O and Core Voltage  
High Efficiency 5V Conversion  
Typical Application  
Efficiency vs Load Current  
(VIN = 5V, VOUT = 3.3V)  
Figure 1.  
Figure 2.  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 1999–2013, Texas Instruments Incorporated  
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LM2653MTC-ADJ/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM2653MTCX-ADJ TI

完全替代

 LM2653 1.5A High Efficiency Synchronous Switching Regulator
LM2653MTC-ADJ TI

类似代替

 LM2653 1.5A High Efficiency Synchronous Switching Regulator
LM2653MTCX-ADJ/NOPB TI

类似代替

 LM2653 1.5A High Efficiency Synchronous Switching Regulator

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