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English30uA超低静态电流负载电源瞬态响应过温关断和电流限制保护2.5V至5.5V输入电压CXLD64240低压差90mV高PSRR 70dB
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产品概述 返回TOP
CXLD64240是低静态电流、低噪声、高纹波抑制比的CMOS LDO稳压器，无需噪声旁路电容。该芯片具有高输出精度、超低压差、超低静态电流和快速启动等性能。CXLD64240在没有噪声旁路电容就能输出很低的噪声，非常适合于RF应用，尤其是适合于掌上型和电池供电的设备，CXLD64240提供使能控制引脚，引脚电压和TTL逻辑兼容，当使能关断芯片时，静态电流小于1uA，大大降低了待机功耗。另外关键的特性还包括有输出电流限制、过温关断及快速瞬态响应等。CXLD64240采用陶瓷电容就可以稳定的工作，采用SC-82小面积封装，这都可以大大节省电路板的面积。CXLD64240提供1.2V至3.6V各种输出电压版本。The CXLD64240 is an efficient CMOS low dropout (LDO) voltage regulator optimized for ultra-low-noise applications. It offers high output accuracy, extremely low dropout voltage, low ground current and fast start-up time. The CXLD64240 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 CXLD64240 provides a TTL-logic-compatible enable pin. When the CXLD64240 is disabled, power consumption drops nearly to zero. Key features include current limit, thermal shutdown and faster transient response. The CXLD64240 works with low-ESR ceramic capacitors. Available in the SC-82 space saving package which reduces the amount of board space for power applications. The ECXLD64240offers wide fixed output voltage versions.
产品特点 返回TOP
• 2.5V to 5.5V输入电压范围
• 30μV(rms)输出噪声电压
• 低压差90mV @150mA
• 高PSRR 70dB@1kHz
• 30uA超低静态电流
• 保证150mA输出电流
• 输出采用陶瓷电容就可稳定工作
• 优质的负载和电源瞬态响应
• 过温关断和电流限制保护
• 1.2V至3.6V范围50mV步进的输出电压
• 节省空间的4引脚SC-82封装
• 符合RoHS规范及100% Pb-Free
z 2.5V to 5.5V Input Voltage Range z 30μV(rms) Output Noise
z 90mV Dropout @ 150mA z 70dB PSRR at 1kHz No Bypass Capacitor
z Low 30μA Ground Current z Guaranteed 150mA Output Current
z Stable with a 1μF Ceramic Output Capacitor when VOUT ≥ 1.5V, or 2.2μF when VOUT<1.5V
z Excellent Load/Line Transient
z Thermal Shutdown and Current Limit Protection
z Available 1.2V to 3.6V Fixed Output Voltages (50mV increments)
z Space-Saving 4-pin SC-82 Package
z RoHS Compliant and 100% Lead (Pb)-Free
应用范围 返回TOP
• 蜂窝式电话
• 相机模组
• PDA和掌上型电脑
• 个人消费电子产品
z Cellular Phones
z Camera Modules
z PDA and Palmtop Computers
z Consumer/Personal Electronics
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 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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