300mA Low-Noise Low-Dropout Linear Regulator CXLD64243一款低噪声、低压差线性稳压器，在2.5V至5.5V的输入范围内工作300mA的电流使能关断模式、低静态电流和极低压差的特性-行业新闻-嘉泰姆电源方案

300mA Low-Noise Low-Dropout Linear Regulator CXLD64243一款低噪声、低压差线性稳压器，在2.5V至5.5V的输入范围内工作300mA的电流使能关断模式、低静态电流和极低压差的特性

CXLD64243一款低噪声、低压差线性稳压器，在2.5V至5.5V的输入范围内工作，能提供300mA的电流。CXLD64243外接小型的2.2μF陶瓷电容就能稳定地工作，由于它具有使能关断模式、低静态电流和极低压差的特性，因此非常适合应用于电池供电设备。低压差特性允许器件在电池很低的极限电压时仍能继续工作，这大大增加了电池能量的使用效率。CXLD64243提供了1.2V、1.5V、1.8V、2.5V、2.8V、3V和3.3V输出电压版本。The CXLD64243 low-noise, low-dropout, linear regulator operates from a 2.5V to 5.5V input and is guaranteed to deliver 300mA. The CXLD64243 is stable with small 2.2μF ceramic capacitor. Its performance suits battery powered applications because of its shutdown mode, low quiescent current, and very low dropout voltage. The low dropout voltage allows for more utilization of a battery’s available energy by operating closer to its end-of-life voltage. The CXLD64243 is available in 1.2V,1.5V,1.8V,2.5V, 2.8V, 3V ,3.3V and Adjustable versions.

产品特点 返回TOP

• 保证300mA输出电流能力

• 频率为1KHz时，PSRR达到65dB

• 低输出噪声

• 300mA负载时150mV低压差

• 空载时84μA低静态电流

• 关断时的电流 ≦ 1μA

• 用2.2μF陶瓷电容就可稳定工作

• 热关断和短路保护

• SOT23-5封装

• 符合RoHS规范及Pb-Free

z 300mA Guaranteed Output Current

z 65dB PSRR at 1kHz z Low Noise Output

z 150mV Dropout at 300mA Load

z Low 84μA No-Load Supply Current

z ≤ 1μA Shutdown Current

z Stable With 2.2μF Ceramic Output Capacitors

z Thermal Shutdown and Short-Circuit Protection

z SOT23-5 Package

z RoHS Compliant and 100% Lead (Pb)-Free

• 无线手持设备

• DSP核电源

• 电池供电设备

• 便携式信息装备

z Wireless Handsets

z DSP Core Power

z Battery Powered Electronics

z Portable Information Appliance

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

低漏失线性稳压器
Part Number	remark	Iout (mA)	Vin (V)	Vout (V)	Dropout (mV)	IQ (A)	PSRR (dB)	POR / Fault / Error	Package
CXLD64239B	150mA Low-Noise LDO in SOT23-5	150	2.5 ~ 5.5	1.2~4.8	140	70μA	75	No	SOT23-5
CXLD64240	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
CXLD64241	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
CXLD64242	300mA High PSRR Low-Noise LDO	300	2.5~5.5	1.2~4.8	250	70μA	75	No	SC-70,SOT23-5
CXLD64243	300mA Low-Noise Low-Dropout Linear Regulator	300	2.5~5.5	1.2~3.3	150	84μA	65	No	SOT23-5
CXLD64244	300mA Low Dropout Linear Regulator	300	2.5~5.5	1.2~3.5	170	90μA	-	No	SOT23-3 SOT-89
CXLD64245	A300mA Low-Noise LDO Without Bypass Capacitor	300	2.5~5.5	1.2~3.6	200	30μA	70	No	SOT23-5
CXLD64246	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)
CXLD64247	Low-Noise, High-PSRR, 600mA LDO with PGOOD Indication	600	2.5~5.5	0.8~5	360	80μA	68	Yes	TDFN-6
CXLD64248	600mA High PSRR Low Dropout Linear Regulator	600	2.5~5.5	0.8~5	300	120μA	70	No	SOT23-5
CXLD64249	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
CXLD64250	2A Ultra Low-Dropout Linear Regulator	2000	2.5~6	1.5~3.3	600	1mA	56	Yes	TO220,TO263,SOP-8 (EP)
CXLD64251	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
CXLD64252	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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