CXLD6474双、低噪声、低损耗调节器，提供高达每个通道的输出电流为300毫安。每台的输出电压调节器通过微调独立设置。电压可选择在1.2V到3.3V的范围内以50mV的步进从2V开始工作至6V输入。CXLD6474包括两个独立的逻辑控制关闭输入并允许每个调节器的输出转动
独立关闭。当两个输出同时关闭时芯片将关闭并消耗几乎为零的工作电流适用于电池电源设备。
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[ 产品资料下载 ]
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 CXLD6474 dual, low noise, low-dropout regulator supplying up to
300mA output current at each channel. The output voltage for each
regulator is set independently by trimming. Voltages are selectable
in 50mV steps within a range of 1.2V to 3.3V by operating from a 2V
to 6V input. The CXLD6474includes two independent logic-controlled
shutdown inputs and allows the output of each regulator to be turned
off independently. When both outputs shutdown simultaneously, the
chip will be turn off and consumes nearly zero operation current which
is suitable for battery-power devices.
The CXLD6474 includes high accuracy voltage reference, error
amplifier, current limit circuit and output driver module.The CXLD6474
has excellent load and line transient response and good temperature
characteristics,which can assure the stability of chip and power
system.And It uses trimming technique to guarantee output voltage
accuracy within ±1% or ±2%. The CXLD6474 is available in SOT-23-6 and
ESOP-8 package which is Lead(Pb)-free
二.产品特点(Features)
Up to 300mA Output Current(Each LDO)
Dual Shutdown Pins Control Each Output
90uA Operating supply current per LDO
Excellent Line regulation:0.05%/V
Low Dropout:220mV@300mA
High Power Supply Rejection Ratio
Wide Operating Voltage Range:2.0V to 6.0V
1.2V to 3.3V Factory-Preset Output
High Accuracy: ±1% or ±2%
Internal Pulled down(8 M )resistor
Current Limiting and Thermal Protection
Two LDOs in SOT-23-6 and ESOP-8 Package
RoHS Compliant and 100% Lead(Pb)-Free
三,应用范围 (Applications)
Cellular and Smart Phones
Battery-Powered Equipment
Laptop, Palmtops, Notebook Computers
Hand-Held Instruments
PCMCIA Cards and Wireless LAN
MP3/MP4/MP5 Players
Portable Information Appliances
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
|
Output Voltage |
Voltage Code |
Accuracy |
Package Type |
Product Name |
Package Type |
Product Name |
Package Type |
Product Name |
|
1.3V/2.8V |
A |
±2% |
SOT-23-6A |
CXLD6474-ABPRA |
SOT-23-6B |
CXLD6474-ABPRB |
ESOP-8 |
CXLD6474-ABPEP |
|
1.5V/3.0V |
B |
±2% |
SOT-23-6A |
CXLD6474-BBPRA |
SOT-23-6B |
CXLD6474-BBPRB |
ESOP-8 |
CXLD6474-BBPEP |
|
1.8V/2.5V |
C |
±2% |
SOT-23-6A |
CXLD6474-CBPRA |
SOT-23-6B |
CXLD6474-CBPRB |
ESOP-8 |
CXLD6474-CBPEP |
|
1.8V/2.8V |
D |
±2% |
SOT-23-6A |
CXLD6474-DBPRA |
SOT-23-6B |
CXLD6474-DBPRB |
ESOP-8 |
CXLD6474-DBPEP |
|
2.5V/1.8V |
E |
±2% |
SOT-23-6A |
CXLD6474-EBPRA |
SOT-23-6B |
CXLD6474-EBPRB |
ESOP-8 |
CXLD6474-EBPEP |
八,相关芯片选择指南
|
CMOS型低压差线性稳压器(CMOS Type LDO Linear Regulator ) |
||||||||
|
Part No. |
VIN |
VOUT |
Accu. |
PSRR |
IQ |
IOUT(Max) |
Package |
Features |
|
36V |
3.3,5,12V, ADJ |
±2% |
10μA |
150mA |
SOT89-3 TO92 |
HV Three-Terminal Positive Regulator |
||
|
1.5~8V |
1.1~5.5V |
±2% |
1μA |
200mA |
SOT23-3 SOT89-3 TO92 |
Low Power Consumption,Low Dropout Voltage |
||
|
Max 16V |
1.1~5.0V |
±2% |
2μA |
250mA |
SOT23-3 SOT23-5 SOT89-3 |
Low Power Consumption,Low Dropout Voltage |
||
|
Max 16V |
1.2~5.0V |
±2% |
3μA |
250mA |
SOT23-3 SOT89-3 |
Low Power Consumption,Low Dropout Voltage |
||
|
Max 8V |
1.2~6V |
±2%/±1% |
3μA |
250mA |
SOT89-3 SOT23-3 TO92 |
Low Dropout Voltage, Low lq |
||
|
Max 6V |
2~6V |
±2% |
74dB@100Hz |
35μA |
300mA |
DFN1x1 - 4L SC70-5,SOT23-5 |
Low Noise, High PSRR |
|
|
Max 6V |
1.5~4.5V |
±2% |
73dB@100Hz |
35μA |
300mA |
DFN1x1 - 4L SOT23-5 SC70-5,SOT23-3 |
Low Noise, High PSRR, Output Discharge |
|
|
Max 6V |
1.0~4.5V |
±2% |
70dB@100Hz |
35μA |
300mA |
SOT23-5 SC70-5 |
Low Noise, High PSRR, Output Discharge |
|
|
2~6V |
1.2~5V,ADJ |
±2%/±1% |
80dB@217Hz 78dB@1KHz |
90μA |
300mA |
SOT23-5 SC70-5 |
RF LDO, Ultra Low Noise, High PSSR, Output Discharge |
|
|
2~6V |
1.2~5V |
±2%/±1% |
78dB@217Hz |
90μA |
300mA |
SOT23-3 SOT89-3 SOT223-3 |
Ultra Fast, Ultra Low Noise, High PSSR, Output Discharge |
|
|
2~6V |
1.2~5V |
±2%/±1% |
78dB@217Hz |
90μA |
300mA |
SOT23-5 SC70-5 |
RF LDO, Ultra Low Noise, High PSSR, Output Discharge |
|
|
2~6V |
1.2~5V |
±2%/±1% |
70dB@1KHz |
90μA x 2 |
300mA x 2 |
SOT23-6 ESOP8 |
Dual Channels LDO, Output Discharge |
|
|
Max 6V |
1.5~4.5V |
±2%/±1% |
73dB@100Hz |
20μA x 2 |
300mA x 2 |
SOT23-6 |
Dual Channels LDO, Output Discharge |
|
|
4.75~40V |
1.8~10V |
±2% |
6μA |
500mA |
SOT89-3 |
HV, Low Power Consumption, Low Dropout Voltage |
||
|
4.75~40V |
1.8~10V |
±2% |
6μA |
500mA |
SOT89-3 |
HV, Low Power Consumption, Low Dropout Voltage |
||
|
Max 8V |
1.2~4.5V |
±2%/±1% |
66dB@100Hz |
75μA |
500mA |
SOT89-3 SOT23-5 |
Low Noise, High PSRR,Output Discharge |
|
|
Max 6V |
1.5~4.5V |
±2% |
73dB@100Hz |
20μA |
500mA |
SOT89-3 |
Low Noise, Low Dropout, High PSRR, Output Discharge |
|
|
Max 6V |
1.2~4.5V |
±2% |
72dB@1KHz |
30μA |
500mA |
SC70-5 SOT23-5 |
Low Noise, High PSRR Fast Response, Output Discharge |
|
|
Max 6V |
1.2~4.5V |
±2% |
72dB@1KHz |
30μA x 2 |
500mA x 2 |
SOT23-6 |
Dual Channels LDO |
|
|
2.5~6V |
1.0~5.0V |
±2%/±1% |
70dB@100Hz |
70μA |
1A |
SOT223-3 TO252-3 |
1A Very Low Dropout Low Noise High PSRR |
|
|
Max 6V |
1.2~5.0V |
±2% |
100μA |
1A |
SOT89-3 SOT23-5 |
Low Noise, Low Dropout, High PSRR |
||
|
Max 6V |
1.2~5.0V |
±2% |
100μA |
1.5A |
SOT223 |
Low Noise, Low Dropout, High PSRR |
||
|
Max 18V |
1.2~5.0V |
±2% |
3μA |
2A |
SOT223 TO252 |
2A Low Dropout , Low lq |
||
|
Max 18V |
1.2~5.0V |
±2% |
3μA |
2A |
SOT223 TO252 |
2A Low Dropout , Low lq |
||
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