CXSD6141 CXSD6141B high-efficiency,and high frequency DC-to-DC step-down switching regulator, capab

CXSD6141 CXSD6141B high-efficiency,and high frequency DC-to-DC step-down switching regulator, capable of delivering up to 0.7A of output current. With a fixed switching frequency of

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（产品PDF文档） 
5.产品封装图   6.电路原理图  7.功能概述      8.相关产品

 

一,产品概述(General Description)      

   The CXSD6141  CXSD6141B  is a wide input range, high-efficiency,and high frequency DC-to-DC

step-down switching regulator, capable of delivering up to 0.7A of output current. 

With a fixed switching frequency of 660KHz, this current mode PWM controlled 

converter allows the use of small external components, such as ceramic input and

output caps, as well as small inductors.CXSD6141 also employs a proprietary control 

scheme that switches the device into a power save mode during light load, thereby 

extending the range of high efficiency operation. An OVP function protects the IC

itself and its downstream system against input voltage surges. With this OVP

function, the IC can stand off input voltage as high as 42V, making it an ideal

solution for industrial applications such as smart meters as well as automotive

applications.

  In automotive systems, power comes from the battery, with its voltage typically 

between 9V and 24V. Including cold crank and double battery jump-starts, 

the minimum input voltage may be as low as 4V and the maximum up to 36V, with 

even higher transient voltages. With these high input voltages, linear regulators cannot 

be used for high supply currents without overheating the regulator. Instead, high efficiency 

switching regulators such as CXSD6141 must be used to minimize thermal dissipation.

  CXSD6141 is available SOT23-6 Packages.

二.产品特点(Features)

·Wide Input Operating Range from 4V to 38V

·Standoff Input Voltage: 42V

·High Efficiency at 12V In 5V Out: Up to 92%:

·High Efficiency PFM mode at light load

·Capable of Delivering 0.7A

·No External Compensation Needed

·Current Mode control

·Logic Control Shutdown

·Thermal shutdown and UVLO

·Available in SOT23-6 Package

三,应用范围 (Applications)

Smart Meters

Industrial Applications

Automotive Applications

四.技术规格书下载（产品PDF）

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！

 

五,产品封装图 (Package)


六.电路原理图


七,功能概述

Parameter		Value
Input Voltage Range		-0.3V-42V
Max Operating Junction   Temperature(Tj)		150°C
SW, EN Voltage		–0.3V to VIN+0.3V
BST Voltage		–0.3V to SW+6V
FB Voltage		–0.3V to 6V
SW to ground curren		Internally limited
Operating   Temperature(To)		-40°C –85°C
Package Thermal   Resistance (èjc)	SOT23-6	110°C / W
Storage Temperature(Ts)		-55°C - 150°C

八,相关芯片选择指南

降压型DC/DC转换器(DC/DC Step-down Converter)
Part No.	Power switching	MODE	VIN	VOUT	IQ	FOSC	Eff.
CXSD6123	Built-in MOSFETSynchronous	PWM/PFM	Max 7V	ADJ	35μA	1.5MHz	96%
CXSD6124	Built-in MOSFETSynchronous	PWM/PFM	2.6~6V	ADJ	40μA	1.5MHz	96%
CXSD6125	Built-in MOSFET Synchronous	PWM/PFM	2.6~7V	ADJ	50μA	1.5MHz	97%
CXSD6126	Built-in MOSFET Synchronous	PWM/PFM	2.5~6V	ADJ	40μA	1.5MHz	96%
CXSD6127	Built-in MOSFET Synchronous	PWM/PFM	2.5~5.5V	ADJ	50μA	1.3MHz	97%
CXSD6128	Built-in MOSFET Synchronous	PWM/PFM	2.6~6V	ADJ	30μA	3MHz	96%
CXSD6129	Built-in MOSFET Synchronous	PWM/PFM	2.6~5.5V	ADJ	50μA	1.4MHz	97%
CXSD6130	Built-in MOSFET Synchronous	PWM/PFM	3.5~16V	ADJ	0.4mA	600KHz	96%
CXSD6131	Built-in MOSFET Synchronous	PWM/PFM	3.5~16V	ADJ	0.4mA	600KHz	96%
CXSD6132	Built-in MOSFET Synchronous	PWM/PFM	4.2~18V	ADJ	0.8mA	500KHz	96%
CXSD6133B	Built-in MOSFET Synchronous	PWM/PFM	4.7~20V	ADJ	50μA	500KHz	95%
CXSD6134	Built-in MOSFET Synchronous	PWM/PFM	4.7~20V	ADJ	50μA	500KHz	95%
CXSD6136	Built-in MOSFET Synchronous	PWM/PFM	4.5~20V	ADJ	50μA	410KHz	95%
CXSD6137	Built-in MOSFET Synchronous	PWM/PFM	4.5~18V	ADJ	80μA	420KHz	95%
CXSD6138	Built-in MOSFET Synchronous	PWM/PFM	4.5~18V	ADJ	80μA	420KHz	95%
CXSD6139	Built-in MOSFET Synchronous	PWM/PFM	4.5~18V	ADJ	80μA	420KHz	95%
CXSD6140	Built-in MOSFET	PWM/PFM	4~24V	ADJ	0.6mA	1.4MHz	90%
CXSD6141	Built-in MOSFET	PWM/PFM	4~38V	ADJ	0.6mA	660KHz	92%
CXSD6141B	Built-in MOSFET	PWM/PFM	4~38V	ADJ	0.6mA	660KHz	92%
CXSD6142	Built-in MOSFET Synchronous	PWM/PFM	4~40V	ADJ	50μA	2MHz	93%
CXSD6143	Built-in MOSFET	PWM/PFM	4.2~40V	ADJ	200μA	1.8MHz	90%
CXSD6144C	Built-in MOSFET Synchronous	PWM/PFM	4.5~24V	ADJ	50μA	500KHz	94%
CXSD6145B	Built-in MOSFET Synchronous	PWM	5~20V	0.923~15V ADJ	60μA	360KHz	94%