CXLD6472是为便携式射频设计的，而CXLD6472是为便携式射频设计的用于便携式射频和要求。CXLD6472的性能是为电池供电的系统优化，以提供超低噪音低静电流。调节器接地电流仅增加稍有脱落，进一步延长电池寿命。CXLD6472也适用于低ESR陶瓷电容器，减少
电源应用所需的板空间，在手持设备中至关重要无线设备。其他特性包括超低的压降，
高输出精度，限流保护，高纹波拒绝率。
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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 CXLD6472 is designed for portable RF and The CXLD6472is designed
for portable RF and requirements. The CXLD6472 performance is
optimized for battery-powered, systems to deliver ultra low noise
and low quiescent current. Regulator ground current increases only
slightly in dropout, further prolonging the battery life. The CXLD6472
also works with low-ESR ceramic capacitors,reducing the amount of
board space necessary for power applications, critical in hand-held
wireless devices. The other fea-tures include ultra low dropout voltage,
high output accuracy, current limiting protection,and high ripple
rejection ratio. Available in 3-lead SOT23, SOT89 and SOT223 packages
二.产品特点(Features)
lUltra-Fast Response in Line/Load Transient
lLow Dropout:210mV@300mA
lWide Operating Voltage Range:2V to 6V
lWide Output Voltage Range:1.2V to 5V
lLow Temperature Coefficient
lCurrent Limiting Protection
lThermal Shutdown Protection
lOnly 1mF Output Capacitor Required for Stability
lHigh Power Supply Rejection Ratio
lCustom Voltage Available
lAvailable in 3-Lead SOT23, SOT89 and SOT223 Packag
三,应用范围 (Applications)
Cellular and Smart Phones
Battery-Powered Equipment
Laptop, Palmtops, Notebook Computers
Hand-Held Instrument
PCMCIA Cards
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
|
Parameter |
Symbol |
Conditions |
MIN |
TYP |
MAX |
unit |
|
|
Input Voltage |
VIN |
2 |
6 |
V |
|||
|
Output Voltage Accuracy (Note 7) |
DVOUT |
VIN=3.6V, IOUT=1mA |
-1 |
+1 |
% , |
||
|
-2 |
+2 |
||||||
|
Current Limit |
|||||||
|
ILIM |
RLOAD=1W |
400 |
430 |
mA |
|||
|
Quiescent Current |
IQ |
IOUT=0mA |
90 |
130 |
mA |
||
|
Dropout Voltage |
VDROP |
IOUT=200mA, VOUT=2.8V |
130 |
180 |
mV |
||
|
IOUT=300mA, |
210 |
300 |
|||||
|
(Note 8) |
|||||||
|
ΔVLINE |
VIN=3.6V to 5.5V IOUT=1mA |
0.05 |
0.17 |
%/V |
|||
|
(Note 9) Load Regulation |
ΔVLOAD |
1mA<IOUT<300mA |
2 |
%/A |
|||
|
(Note 10) Output Voltage Temperature Coefficient |
TCVOUT |
IOUT=1mA |
±60 |
o ppm/ C |
|||
|
Output Noise Voltage |
eNO |
10Hz to100KHz, IOUT=200mA |
100 |
mVRMS |
|||
|
Power Supply Rejection Ratio |
f=217Hz |
PSRR |
IOUT=100mA |
-78 |
dB |
||
|
f=1KHz |
-72 |
||||||
|
f=10KHz |
-52 |
||||||
|
Thermal Shutdown |
|||||||
|
TSD |
Shutdown, Temp increasing |
165 |
o C |
||||
|
Thermal Shutdown Hysteresis |
TSDHY |
30 |
o C |
||||
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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