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English2.5V到5.5V的输入电压CMOS低漏失电压调节器超低噪声CXLD64247输出电压精度高漏失电压低启动时间快开漏输出的PGOOD信号
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产品概述 返回TOP
CXLD64247是一款CMOS低漏失电压调节器，能满足超低噪声的应用。CXLD64247具有输出电压精度高，漏失电压低，启动时间快的优点。由于CXLD64247的低噪声无需外部bypass电容就可以实现，故能满足要求理想电源的RF应用。CXLD64247是针对手持和电池电源设备设计的，它的EN引脚可以与晶体管逻辑相兼容。当CXLD64247的使能使芯片处于关断状态时，输出电压几乎接近为0。CXLD64247主要包括电流限制，热关断和快速瞬态响应的功能，它还具有开漏输出的PGOOD信号，用以检测输出是否正常。CXLD64247的输出电容需采用低ESR的陶瓷电容，它采用了可以减小板子空间的2mm×2mm的TDFN-6封装。CXLD64247还提供了宽范围输出的固定版本。The CXLD64247 is an efficient CMOS low dropout (LDO) voltage regulator optimized for ultra-low-noise applications. It offers high output accuracy, low dropout voltage and fast start-up time. The CXLD64247 provides a very low noise output without a bypass capacitor, ideal for RF applications where a clean supply voltage source is required. Specifically designed for handheld and battery-powered devices, the CXLD64247 provides a TTL-logic-compatible enable pin. When the CXLD64247is disabled, power consumption drops nearly to zero. Key features include current limit, thermal shutdown and faster transient response. The CXLD64247generates an open-drain PGOOD signal to monitor the output regulation. The CXLD64247works with low-ESR ceramic capacitors. Available in 2mm × 2mm TDFN-6 package which reduces the amount of board space for power applications. The CXLD64247offers wide fixed output voltage versions.
产品特点 返回TOP
‧2.5V到5.5V的输入电压范围；
‧30uV（rms）的输出噪声；
‧600mA时360mV的漏失电压
‧无Bypass电容时1kHz的PSRR为68dB
‧600mA的输出电流
‧2.2uF的输出电容
‧优良的负载和线性瞬态响应
‧具有PGOOD功能
‧具有热关断和电流保护功能
‧外部可调输出电压：0.8V~5V
‧关断时具有自动放电功能
‧TDFN-6 2mm×2mm的封装
‧符合RoHS标准，100%的无铅和无卤素
2.5V to 5.5V Input Voltage Range
30μV(rms) Output Noise
360mV Dropout @ 600mA
68dB PSRR at 1kHz No Bypass Capacitor
Guaranteed 600mA Output Current
Stable with a 2.2μF Ceramic Output Capacitor
Excellent Load/Line Transient
Power-Good Window Comparator
Thermal Shutdown and Current Limit Protection
Adjustable Output Voltage：0.8V to 5V
Auto-Discharge when Shutdown
Available in 2mm× 2mm TDFN-6 Package
RoHS Compliant and 100% Lead (Pb)-Free Halogen-Free
应用范围 返回TOP
‧可携式电话
‧摄像头模块
‧掌上计算机
‧消费性/个人的电子产品
Cellular Phones
Camera Modules
PDA and Palmtop Computers
Consumer/Personal Electronics
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产品封装图 返回TOP
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低漏失线性稳压器 |
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Part Number |
remark |
Iout (mA) |
Vin (V) |
Vout (V) |
Dropout (mV) |
IQ (A) |
PSRR (dB) |
POR / Fault / Error |
Package |
|
150mA Low-Noise LDO in SOT23-5 |
150 |
2.5 ~ 5.5 |
1.2~4.8 |
140 |
70μA |
75 |
No |
SOT23-5 |
|
|
150mA Low-Noise LDO in SC-82 Without A Bypass Capacitor |
150 |
2.5~5.5 |
1.2~3.6 |
90 |
30uA |
70 |
NO |
SC-82 |
|
|
Dual,Low-Noise, High-PSRR, 150mA LDO without Bypass Capacitor |
150/150 |
2.5~5.5 |
1.2~3.6 |
190 |
50μA |
70 |
No |
TDFN-6,TSOT23-6 |
|
|
300mA High PSRR Low-Noise LDO |
300 |
2.5~5.5 |
1.2~4.8 |
250 |
70μA |
75 |
No |
SC-70,SOT23-5 |
|
|
300mA Low-Noise Low-Dropout Linear Regulator |
300 |
2.5~5.5 |
1.2~3.3 |
150 |
84μA |
65 |
No |
SOT23-5 |
|
|
300mA Low Dropout Linear Regulator |
300 |
2.5~5.5 |
1.2~3.5 |
170 |
90μA |
- |
No |
SOT23-3 SOT-89 |
|
|
A300mA Low-Noise LDO Without Bypass Capacitor |
300 |
2.5~5.5 |
1.2~3.6 |
200 |
30μA |
70 |
No |
SOT23-5 |
|
|
Dual, Low-Noise, High-PSRR, 300mA LDO without Bypass Capacitor |
300/300 |
2.5~5.5 |
1.2~3.6 |
380 |
50μA |
70 |
No |
TDFN-6,TSOT23-6,SOP-8(EP) |
|
|
Low-Noise, High-PSRR, 600mA LDO with PGOOD Indication |
600 |
2.5~5.5 |
0.8~5 |
360 |
80μA |
68 |
Yes |
TDFN-6 |
|
|
600mA High PSRR Low Dropout Linear Regulator |
600 |
2.5~5.5 |
0.8~5 |
300 |
120μA |
70 |
No |
SOT23-5 |
|
|
1A Ultra Low-Dropout Linear Regulator |
1000 |
2.5~5.5 |
1.5~3.3 |
300 |
300μA |
60 |
Yes |
SOT-223,SOP-8,SOT-89 |
|
|
2A Ultra Low-Dropout Linear Regulator |
2000 |
2.5~6 |
1.5~3.3 |
600 |
1mA |
56 |
Yes |
TO220,TO263,SOP-8 (EP) |
|
|
2A Low Dropout Linear Regulator with Programmable Soft-Start |
2000 |
2.7~5.5 |
0.8~3.3 |
165 |
0.8mA |
60 |
Yes |
SOP-8 |
|
|
600mA High PSRR Low Dropout Linear Regulator |
600 |
2.5~5.5 |
0.8~3.6 |
300 |
120μA |
70 |
No |
SOT23-5 |
|
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