单片开关调节器控制电路DC转换器CXSD62319内部温度补偿基准电压比较器有源限流控制占空比振荡器驱动器和大电流输出开关组成

CXSD62319是一个单片开关调节器控制电路，包含DC-DC转换器所需的主要功能。该装置由内部温度补偿基准、电压比较器、有源限流控制占空比振荡器、驱动器和大电流输出开关组成。该装置专门设计用于降压、升压和电压逆变应用，具有最少数量的外部组件。CXSD62319是增强版，具有更高的工作频率。

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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        CXSD62319 is a monolithic switching regulator control circuit containing the primary functions required for DC-DC converters. This device consists of internal temperature compensated reference, voltage comparator, controlled duty cycle oscillator with active current limit circuit, driver and high current output switch. The device is specifically designed to be used in Step-Down, Step-Up and Voltage-Inverting applications with a minimum number of external components. CXSD62319 is the enhanced version with the ability to work in higher frequency. CXSD62319is available in 2 packages: SOP- 8 and DIP-8.

   产品特点 返回TOP

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 Operation from 3V to 40V 

 Low Standby Current 

 Current Limiting 

 Output Switch Current to 1.2A 

 Output Voltage Adjustable 

 Operation Frequency up to 180 kHz (CT = 100pF) 

 Precision 2% Reference

   应用范围 返回TOP

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 Battery Chargers 

 NICs/Switches/Hubs 

 ADSL Modems 

 Negative Voltage Power Supplies

   技术规格书（产品PDF) 返回TOP 

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     需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！

 

产品封装图 返回TOP

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电路原理图 返回TOP

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Buck DC/DC Converter
Product	Status	Device Description	VIN(min~max)	VOUT	IOUT	IQ(typ)	Vfb	Frequency	Pkg
CXSD62319	Active	40V/1.5A非同步降压	3~36V	ADJ	1.5A	4mA	1.25V	<100KHZ	DIP8 SOP8
CXSD62320	Active	30V/2A同步降压	4.5~27V	0.925~20Vin	2A	1.3mA	0.925V	340KHZ	SOP8 PSOP8
CXSD62321	Active	30V/2A同步降压	4.5~27V	0.925~20Vin	3A	1.3mA	0.925V	340KHZ	PSOP8
CXSD62322	NEW	40V/4.5A同步降压/线补/CC/CV/OC	7~40V	5V	4.5A	1.5mA	5V	150KHZ	PSOP8
CXSD62323	Active	5V/2A同步降压	2.5~5V	ADJ	2A	20uA	0.6V	1.5MHZ	SOT23-5
CXSD62324	Active	5V/1.4A同步降压	2.5~5V	ADJ	1.4A	25uA	0.6V	1.5MHZ	SOT23-5
CXSD62325	NRFND	40V/2.8A非同步降压/CC/CV	8~36V	ADJ	2.8A	2mA	1V	250KHZ	PSOP8
CXSD62326	Active	5V/3A同步降压	3.3~18V	ADJ	2A	10uA	0.6V	1.5MHZ	SOT23-6