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AC/DC & DC/DC converters (integrated FET)

LM20136

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具有输入同步功能的 2.95-5.5V、6A 电流模式同步降压稳压器

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LM20136

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产品详情

Iout (max) (A) 6 Vin (min) (V) 2.95 Vin (max) (V) 5.5 Topology Buck Type Converter Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 1500 Features Enable, Frequency synchronization, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 5 Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.0035
Iout (max) (A) 6 Vin (min) (V) 2.95 Vin (max) (V) 5.5 Topology Buck Type Converter Switching frequency (min) (kHz) 500 Switching frequency (max) (kHz) 1500 Features Enable, Frequency synchronization, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking Control mode current mode Vout (min) (V) 0.8 Vout (max) (V) 5 Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.0035
HTSSOP (PWP) 16 32 mm² 5 x 6.4
  • Input Voltage Range 2.95V to 5.5V
  • Accurate Current Limit Minimizes Inductor Size
  • 97% Peak Efficiency
  • Frequency Synchronization Pin
  • 16mΩ and 20mΩ Integrated FET Switches
  • Starts up Into Pre-biased Loads
  • Output Voltage Tracking
  • Peak Current Mode Control
  • Adjustable Output Voltage Down to 0.8V
  • Adjustable Soft-Start with External Capacitor
  • Precision Enable Pin with Hysteresis
  • Integrated OVP, UVLO, Power Good and Thermal Shutdown
  • 16-Pin HTSSOP exposed Pad Package

All trademarks are the property of their respective owners.

  • Input Voltage Range 2.95V to 5.5V
  • Accurate Current Limit Minimizes Inductor Size
  • 97% Peak Efficiency
  • Frequency Synchronization Pin
  • 16mΩ and 20mΩ Integrated FET Switches
  • Starts up Into Pre-biased Loads
  • Output Voltage Tracking
  • Peak Current Mode Control
  • Adjustable Output Voltage Down to 0.8V
  • Adjustable Soft-Start with External Capacitor
  • Precision Enable Pin with Hysteresis
  • Integrated OVP, UVLO, Power Good and Thermal Shutdown
  • 16-Pin HTSSOP exposed Pad Package

All trademarks are the property of their respective owners.

The LM20136 is a full featured synchronous buck regulator capable of delivering up to 6A of continuous output current. The current mode control loop can be compensated to be stable with virtually any type of output capacitor. For most cases, compensating the device only requires two external components, providing maximum flexibility and ease of use. The device is optimized to work over the input voltage range of 2.95V to 5.5V making it suitable for a wide variety of low voltage systems.

The device features internal over voltage protection (OVP) and over current protection (OCP) circuits for increased system reliability. A precision enable pin and integrated UVLO allows the turn on of the device to be tightly controlled and sequenced. Start-up inrush currents are limited by both an internally fixed and externally adjustable Soft-Start circuit. Fault detection and supply sequencing are possible with the integrated power good circuit.

The switching frequency of the LM20136 can be synchronized to an external clock by use of the SYNC pin. The SYNC pin is capable of synchronizing to input signals ranging from 500 kHz to 1.5 MHz

The LM20136 is designed to work well in multi-rail power supply architectures. The output voltage of the device can be configured to track a higher voltage rail using the SS/TRK pin. If the output of the LM20136 is pre-biased at startup it will not pull the ouput low.

The LM20136 is offered in a 16-pin HTSSOP package with an exposed pad that can be soldered to the PCB, eliminating the need for bulky heatsinks.

The LM20136 is a full featured synchronous buck regulator capable of delivering up to 6A of continuous output current. The current mode control loop can be compensated to be stable with virtually any type of output capacitor. For most cases, compensating the device only requires two external components, providing maximum flexibility and ease of use. The device is optimized to work over the input voltage range of 2.95V to 5.5V making it suitable for a wide variety of low voltage systems.

The device features internal over voltage protection (OVP) and over current protection (OCP) circuits for increased system reliability. A precision enable pin and integrated UVLO allows the turn on of the device to be tightly controlled and sequenced. Start-up inrush currents are limited by both an internally fixed and externally adjustable Soft-Start circuit. Fault detection and supply sequencing are possible with the integrated power good circuit.

The switching frequency of the LM20136 can be synchronized to an external clock by use of the SYNC pin. The SYNC pin is capable of synchronizing to input signals ranging from 500 kHz to 1.5 MHz

The LM20136 is designed to work well in multi-rail power supply architectures. The output voltage of the device can be configured to track a higher voltage rail using the SS/TRK pin. If the output of the LM20136 is pre-biased at startup it will not pull the ouput low.

The LM20136 is offered in a 16-pin HTSSOP package with an exposed pad that can be soldered to the PCB, eliminating the need for bulky heatsinks.
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类型 标题 下载最新的英语版本 日期
* 数据表 LM20136 6A, Synchronous Buck Regulator with Input Synchronization 数据表 (Rev. B) 2013年 4月 5日
选择指南 Buck Converter Quick Reference Guide (Rev. B) 2021年 4月 8日
选择指南 电源管理指南 2018 (Rev. K) 2018年 7月 31日
选择指南 电源管理指南 2018 (Rev. R) 2018年 6月 25日
EVM 用户指南 AN-1903 LM20136 Evaluation Board (Rev. A) 2013年 5月 5日

设计和开发

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评估板

LM20136MHEVAL — 具有输入同步的 6A 同步降压稳压器评估模块

The LM20136 is a full-featured synchronous buck switching regulator capable of driving up to 6A of load current. This device features a clock synchronization input that allows the switching frequency to be synchronized to an external clock source. The ability to adjust the operating frequency from (...)

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LM20136DESIGN-CALC — LM20136 设计电子表格

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包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

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