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CXLD6479高纹波抑制内置芯片使能和放电电路正电压输出低噪音低功耗低压差稳压器负载和线路瞬态响应
| 产品型号： | CXLD6479 |
| 产品类型： | LDO线性稳压器 |
| 产品系列： | CMOS型低压差线LDO |
| 产品状态： | 量产 |
| 浏览次数： | 44 次 |
产品简介
CXLD6479可提供1.5V~4.5V范围内的输出值每0.1V步。它也可以根据命令定制。
CXLD6479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。
CXLD6479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。
技术参数
| 输入电压范围 (VIN) | V ~ Max 6VV |
|---|---|
| 输出电压 (VOUT) | 1.2~4.5VV |
| 输出电流 (IOUT) | 500mAA |
| 工作频率 | 1.2MHZHz |
| 转换效率 | 95%% |
| 封装类型 | SC70-5 SOT25 |
| Quiescent current | 30µA |
| Psrr. | 72dB@1KHz |
| Protection | 过流/过温 |
| Features | Low Noise, High PSRR Fast Response, Output Discharge |
| Application | 模拟电路/射频 |
| Temperature range | -40℃~125℃ |
| Output capacitor | 陶瓷电容 |
| Precision | ±2% |
产品详细介绍
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) 
CXLD6479 series is a group of positive voltage output, low
noise,low power consumption, low dropout voltage regulator.
CXLD6479 can provide output value in the range of 1.5V~4.5V
every 0.1V step. It also can be customized on command.
CXLD6479 includes high accuracy voltage reference, error
amplifier, current limit circuit and output driver module with
discharge capability.
CXLD6479 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%.
CXLD6479 is available in SOT-89-3 packages which is lead free.
二.产品特点(Features)
Low Power Consumption: 20uA（Typ.）
Low output noise (47uVRMS)
Low dropout Voltage: 0.16V@300mA (Typ.)
High Ripple Rejection: 73dB@100Hz (Typ.)
Low Temperature Coefficient:±100ppm/°C
Excellent Line regulation: 0.05%/V
Build-in chip enable and discharge circuit
Output Voltage Range: 1.5V~4.5V
(customized on command every 0.1V Step)
Highly Accurate: ±2%
Output Current Limit
三,应用范围 (Applications)
Power Management for Computer,Mother
Board, Graphic Card
· LCD Monitor and LCD TV
· DVD Decode Board
· 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
|
Parameter |
Value |
|
|
Max Input Voltage |
8V |
|
|
Operating Junction Temperature(Tj) |
125°C |
|
|
Output Current |
500mA |
|
|
Ambient Temperature(Ta) |
-40°C –85°C |
|
|
Power Dissipation |
SOT-89-3 |
500mW |
|
Storage Temperature(Ts) |
-40°C -150°C |
|
|
Lead Temperature & Time |
260°C,10S |
|
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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