8.0V至36V宽输入38V输入电压浪涌4.8A输出电流CXLB73115双通道同步降压转换器驱动5A连续负载可编程电缆补偿内部软启动

CXLB73115是一种双通道同步降压转换器，能够驱动5A连续负载，具有良好的线路和负载调节。CXLB73115在CC（恒流）模式或CV（恒压）模式下工作，输入电压范围为8V至36V。CXLB73115可以配置为单输出或双输出，具有独立的可编程CC电流限制阈值。CXLB73115通过调整外部电阻分压器提供可编程电缆补偿。可控制外部关闭功能
通过将压缩机引脚拉至低于0.14V的水平。故障保护包括二次循环电流限制、短路保护和热关机。内部软启动将初始启动时的浪涌电流和输出过冲降至最低。

目录

1.产品概述       2.产品特点     

3.应用范围       4.技术规格书下载（PDF文档）

5.产品封装       6.电路原理图  

7.相关产品

   产品概述 返回TOP

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The CXLB73115 is a dual-channel synchronous step-down converter capable of driving 5A continuous load with excellent line and load regulation. The CXLB73115 operates in either CC (Constant Current) mode or CV (Constant Voltage) mode with an input voltage range from 8V to 36V. The CXLB73115 can be configured as single output or dual outputs with independent programmable CC threshold for current limitation. The CXLB73115 provides programmable cable compensation by adjusting external resistor divider. External shutdown function can be controlled

  by pulling COMP pin to a level below 0.14V.Fault protection includes secondary cycle-   by-cycle current limit, short circuit protection and thermal shutdown. Internal soft-start minimizes the inrush supply current and the output overshoot at initial startup.The CXLB73115 is available in SOP-8 (EP) package.

   产品特点 返回TOP

8.0V to 36V Wide Input Operating Range

38V Input Voltage Surge

80kHz~800kHz Switching Frequency Selection

Dual Channel CC/CV Mode Control

Up to 4.8A Output Current

+/- 1% Voltage Reference Accuracy

+/- 4% Constant Current Accuracy

Programmable Cable Compensation

Internal Soft Start

Single Pin to External Compensation and Shutdown Control

Hiccup Short Circuit Protection

Secondary Cycle-by-Cycle Current Limit

Thermal Shutdown

Available in SOP-8 (EP) Package

RoHS Compliant and 100% Lead(Pb)-Free

Halogen-Free

   应用范围 返回TOP

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 Car Charger

Portable charger applications

DC/DC converters with current limited

   技术规格书（产品PDF) 返回TOP 

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产品封装图 返回TOP

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电路原理图 返回TOP

 

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锂电充电IC
型号	输入电压	输出电压	最大充电流	待机电流	封装
CXLB7398	5V	4.2V/4.34V	1A	55μA	SOP-8
CXLB7399	9~10V	8.4	1000mA	55μA	DIP-8
CXLB73100	9V	4.2V	600mA	145uA	SOT23-5
CXLB73101	10V	5V	1.2A	55μA	SOP-8
CXLB73102	5V	4.2V	600mA	25uA	SOT-23-5
CXLB73103	4.75~7V	4.2 v	500MA	55μA	SOT-23-6L
CXLB73104	4.25~6	4.2 v	800MA	20uA	SOT-23 and PSOP-8
CXLB73105	9V	4.2 v	600mA	145uA	SOT-23-6L
CXLB73106	4.25~6.5	4.2V	800mA	25uA	SOT-23-5
CXLB73107	4.0~9.0	4.2V	500mA	40uA	SOT-23-6L
CXLB73108	9V	4.2V	500mA	40uA	TSOT-23
CXLB73109	4.2V~6.5V	4.2V	800mA	45uA	SOT23-5
CXLB73110	9-10V	8.4	1A	25uA	SOP-8L
CXLB73111	5.5	4.2V	600mA	25uA	SOT-23
CXLB73112	4.0~8.0	4.2V	1A	55uA	SOP-8
CXLB73113	4.5~6.5V	4.2V	800mA	25μA	SOT-23-5
CXLB73114	3.6V	12V	800mA	25μA	SOT-23-6
CXLB73115	8V-36V		4.8A	25μA	SOP-8
CXLB73116	5V~16V	1.2V~16V	2A	25μA	SOP-8
CXLB73117	4.7v-6v	4.2V	2A	4μA	SOP-8
CXLB73118	2.3V~5.5V		1.5A	1μA	SOT23-5