CXLD6478系列是一组正电压输出，低功耗，低压差稳压器。
CXLD6478可提供1.2V~4.5V的输出值每0.1V步。它也可以根据命令定制。
CXLD6478包括高精度电压基准、误差放大器、限流电路和输出驱动模块
放电能力。
CXLD6478具有优异的负载和线路瞬态响应良好的温度特性，可以保证
芯片和电源系统的稳定性。它使用修剪保证输出电压精度在±2%以内的技术
产品技术资料帮助
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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) 
CXLD6478 series is a group of positive voltage output, low
power consumption,low dropout voltage regulator.
CXLD6478 can provide output value in the range of 1.2V~4.5V
every 0.1V step. It also can be customized on command.
CXLD6478 includes high accuracy voltage reference, error
amplifier, current limit circuit and output driver module with
discharge capability.
CXLD6478 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±2%.
CXLD6478 is available in SOT-23-5,SOT89-3, SOT23-3,
TO92 packages which are lead free.
二.产品特点(Features)
· Low Power Consumption: 75uA（Typ.）
· Low output noise (47uVRMS)
· Standby Mode: 0.1uA
· Low dropout Voltage: 0.46V@500mA (Typ.)
· High Ripple Rejection: 66dB@100Hz (Typ.)
· Low Temperature Coefficient: ±100ppm/°C
· Excellent Line regulation: 0.05%/V
· Build-in chip enable and discharge circuit
· Output Voltage Range: 1.2V~4.5V(customized on command every 0.1V step)
· Highly Accurate: ±2% (±1% customized)
· Output Current Limit
三,应用范围 (Applications)
· Power source for cellular phones and various kind of PCSs
· Battery Powered equipment
· Power Management of MP3, PDA, DSC,Mouse, PS2 Games
· Reference Voltage Source
· Regulation after Switching Power
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 |
Package Type |
Product Name |
Package Type |
Product Name |
Package Type |
Product Name |
|
1.2V |
SOT-89-3A |
CXLD6478-12PSA |
SOT-89-3B |
CXLD6478-12PSB |
SOT-23-5 A |
CXLD6478-12PRN |
|
1.5V |
SOT-89-3A |
CXLD6478-15PSA |
SOT-89-3B |
CXLD6478-15PSB |
SOT-23-5 A |
CXLD6478-15PRN |
|
1.8V |
SOT-89-3A |
CXLD6478-18PSA |
SOT-89-3B |
CXLD6478-18PSB |
SOT-23-5 A |
CXLD6478-18PRN |
|
2.1V |
SOT-89-3A |
CXLD6478-21PSA |
SOT-89-3B |
CXLD6478-21PSB |
SOT-23-5 A |
CXLD6478-21PRN |
|
2.5V |
SOT-89-3A |
CXLD6478-25PSA |
SOT-89-3B |
CXLD6478-25PSB |
SOT-23-5 A |
CXLD6478-25PRN |
|
2.8V |
SOT-89-3A |
CXLD6478-28PSA |
SOT-89-3B |
CXLD6478-28PSB |
SOT-23-5 A |
CXLD6478-28PRN |
|
2.85V |
SOT-23-5 A |
CXLD6478-285PRN |
||||
|
3.0V |
SOT-89-3A |
CXLD6478-30PSA |
SOT-89-3B |
CXLD6478-30PSB |
SOT-23-5 A |
CXLD6478-30PRN |
|
3.2V |
SOT-89-3A |
CXLD6478-32PSA |
SOT-89-3B |
CXLD6478-32PSB |
SOT-23-5 A |
CXLD6478-32PRN |
|
3.3V |
SOT-89-3A |
CXLD6478-33PSA |
SOT-89-3B |
CXLD6478-33PSB |
SOT-23-5 A |
CXLD6478-33PRN |
|
3.5V |
SOT-89-3A |
CXLD6478-35PSA |
SOT-89-3B |
CXLD6478-35PSB |
SOT-23-5 A |
CXLD6478-35PRN |
|
4.5V |
SOT-89-3A |
CXLD6478-45PSA |
SOT-89-3B |
CXLD6478-45PSB |
SOT-23-5 A |
CXLD6478-45PRN |
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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