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LM27213MTD/NOPB

更新时间： 2024-11-25 01:05:35
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管输出元件
页数 文件大小 规格书
32页 1030K
描述
LM27213 Single Phase Hysteretic Buck Controller

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中文翻译

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LM27213MTD/NOPB 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：TSSOP,
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：1.57其他特性：OUTPUT VOLTAGE IS PROGRAMMED FROM 0.7 TO 1.708V, ALSO OPERATES IN PWM CONTROL TECHNIQUE
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：CURRENT-MODE
控制技术：HYSTERETIC CURRENT MODE最大输入电压：6 V
最小输入电压：4.75 V标称输入电压：5 V
JESD-30 代码：R-PDSO-G48JESD-609代码：e3
长度：12.5 mm湿度敏感等级：2
功能数量：1端子数量：48
最高工作温度：110 °C最低工作温度：-5 °C
最大输出电流：25 A最大输出电压：1.708 V
最小输出电压：0.7 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
座面最大高度：1.1 mm表面贴装：YES
切换器配置：BUCK最大切换频率：400 kHz
温度等级：OTHER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：6.1 mmBase Number Matches：1

LM27213MTD/NOPB 数据手册

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LM27213  
www.ti.com  
SNVS377A –FEBRUARY 2006–REVISED MARCH 2013  
LM27213 Single Phase Hysteretic Buck Controller  
Check for Samples: LM27213  
1
FEATURES  
DESCRIPTION  
The LM27213 is a single-phase synchronous buck  
2
•
•
•
•
•
•
•
•
•
•
•
•
•
Ideal Load and Line Transient Responses  
5V to 30V Input Range  
regulator controller designed to fully support  
a
portable microprocessor. On-chip gate drive makes  
for a compact, single chip solution. Output currents in  
excess of 25 Amps are possible.  
On-Chip Gate Drive  
Convenient CLK_EN# Signal  
Input Under-Voltage Lockout  
High Light-Load Efficiency  
The IC employs a current mode hysteretic control  
mechanism. Inductor current is sensed through a low  
value sense resistor.  
Adjustable Analog Soft Start  
Peak Current Limit  
The LM27213 will operate over an input voltage  
range of 5V to 30V. The output voltage is  
programmed through 6 Voltage Identification (VID)  
pins and ranges from 0.700V to 1.708V in 64 steps.  
Over-Voltage Protection  
Error Correction for Good Static Accuracy  
±1% DAC Accuracy Over Temperature  
Interfaces with the LM2647 System Supply  
Available in TSSOP or WQFN Packages  
Since the error in the output voltage directly sets the  
inductor current, the dynamic response to a large,  
fast load transient is close to a square wave. This is  
optimal for mode transition requirements. Also, due to  
the intrinsic input voltage feedforward characteristic of  
hysteretic control, the line transient response is  
excellent as well.  
APPLICATIONS  
•
Core Voltage Supply for Low Power  
Processors  
The IC provides cycle-by-cycle peak current limit,  
over-voltage protection, and a power good signal.  
The LM27213 fully supports the Stop CPU and Sleep  
modes offered by some processors. When enabled,  
the IC enters a power-saving “diode emulator” mode  
which helps prolong battery runtime for portable  
systems.  
•
Low Voltage High Current Buck Regulators  
Benefits  
•
•
•
Single Chip Core Power Solution  
Minimum Output Capacitance Required  
Low Cost, Compact Design  
The LM27213 also has a soft start feature for the  
external adjustment of soft start speed.  
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.  
2
All trademarks are the property of their respective owners.  
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 © 2006–2013, Texas Instruments Incorporated  
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LM27213MTD/NOPB 替代型号

型号 品牌 替代类型 描述 数据表
LM27213MTDX/NOPB TI

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 LM27213 Single Phase Hysteretic Buck Controller

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