LM20136 - 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

LM20136是TI德州仪器公司的一款转换器（集成开关）产品，LM20136是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，本站介绍了LM20136的封装应用图解、特点和优点、功能等，并给出了与LM20136相关的TI元器件型号供参考。

LM20136 - 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 - 转换器（集成开关） - DC/DC开关稳压器 - 德州仪器

产品描述

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.

产品特性

Input Voltage Range 2.95V to 5.5V
Accurate Current Limit Minimizes Inductor Size
97% Peak Efficiency
Frequency Synchronization Pin
16m? and 20m? 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

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