The CXSD6128 is a high efficiency synchronous, buck DC/DC converter. Its input voltage range is fro

The CXSD6128 is a high efficiency synchronous, buck DC/DC converter. Its input voltage range is from 2.6V to 6V and provides an adjustable regulated output voltage from 0.6V to Vin while delivering

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 CXSD6128 is a high efficiency synchronous, buck DC/DC converter. Its input

 voltage range is from 2.6V to 6V and provides an adjustable regulated output 

voltage from 0.6V to Vin while delivering up to 2A of output current.

 The internal synchronous switches increase efficiency and eliminate 

the need for an external Schottky diode. It runs at a fixed 3MHz frequency,which allows the use

of small inductor with L<1uH while maintaining a high efficiency and small output

voltage ripple.When Mode pin is connected to Gnd, the CXSD6128 is operating 

in PFM/PWM auto-switch mode which enhance the efficiency at light-load. The

 CXSD6128 is available in DFN2x2-8L and SOT23-5 packages.

二.产品特点(Features)

Adjustable Output Voltage, Vfb=0.6V

Maximum output current is 2A

Range of operation input voltage: Max 6V

Standby current: 30uA (typ.)

Line regulation: 0.1%/V (typ.)

Load regulation: 10mV (typ.)

High efficiency, up to 96%

Environment Temperature: -40°C~85°

三,应用范围 (Applications)

Power Management for 3G modem

Smart Phone

Tablet PC

Set Top Box

Other Battery Powered Device

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
Max Input Voltage		6V
Max Operating Junction Temperature(Tj)		125°C
Ambient Temperature(Ta)		-40°C – 85°C
Package Thermal Resistance (qjc)	DFN2x2-8L	25°C / W
Power Dissipation	SOT-23-5	250mW
Storage Temperature(Ts)		-40°C - 150°C
Lead Temperature & Time		260°C, 10S
ESD (HBM)		>2000V

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%