CXLD6491是一个双通道低压差稳压器，提供最大电流
对于每个单独的输出为1A。1A负载电流下的典型电压降为
1.3V.每个单独的输出电压可单独设置为固定电压
（例如1.2V、1.8V、2.5V、3.3V、5V）或可提供输出的可调输出
带有两个外部电阻器的电压为1.25至12V。每种输出精度
通过修剪将通道设置在2%以内。
CXLD6491提供热关机和电流限制功能，以确保可靠性
设备和电源系统的。
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[ 产品资料下载 ]
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)
CXLD6491 is a dual channel low-dropout regulator that delivers a maximum current
of 1A for each individual output. Typical dropout voltage at 1A load current is
1.3V. Each individual output voltage can be set independently as fixed voltage
(e.g 1.2V,1.8V, 2.5V, 3.3V, 5V) or adjustable output which can provide an output
voltage from 1.25 to 12V with two external resistors. The output accuracy of each
channel is set within 2% by trimming.
CXLD6491 offers thermal shut down and current limit functions to ensure reliability
of device and power system.Package input/output pin configuration can be customized
on demand ( i.e both output can share one input to save one input capacitor and
corresponding PCB real estate).
CXLD6491 is available in lead (Pb)-free ESOP-8(with exposed pad for heat dissipation)
package.
二.产品特点(Features)
Dual channel output with each individual
output can be either fixed output version or
adjustable version.
Maximum output current for each channel is 1A
Range of operation input voltage: Max 12V
Standby current of each output: 2mA (typ.)
Line regulation: 0.1%/V (typ.)
Load regulation: 10mV (typ.)
Environment Temperature: -20°C~85°C
Compatible with tantalum capacitor,
electrolytic capacitor and MLCC.
三,应用范围 (Applications)
Power Management for Computer Mother
Board, Graphic Card
LCD Monitor and LCD TV
DVD Decode Board
ADSL Modem
Post Regulators for Switching Supplies
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
五,产品封装图 (Package)
六.电路原理图
七,相关芯片选择指南
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双极型低压差线性稳压器(Bipolar Type LDO Linear Regulator ) |
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Part No. |
VIN |
VOUT |
Accu. |
IQ |
IOUT(Max) |
Package |
Application |
Features |
|
Max 15V |
1.2,1.8,2.5,3.3,5V, ADJ |
±2% |
2mA |
1A |
SOT223 TO252 |
TV,STB,PC主板 |
Bipolar, Low Dropout Voltage |
|
|
Max 15V |
1.2V |
±2% |
2mA |
1A |
SOT223 |
TV,STB,PC主板 |
Bipolar, Low Dropout Voltage |
|
|
Max 12V |
1.2,1.8,2.5,3.3,5V, ADJ |
±2% |
2mA x 2 |
1A x 2 |
ESOP8 |
TV,STB,PC主板 |
Dual Channels Bipolar, Low Dropout Voltage |
|
|
Max 12V |
1.8,2.5,3.3,5V, ADJ |
±2% |
4mA |
3A |
TO252 TO263 |
TV,STB,PC主板 |
Bipolar, Low Dropout Voltage |
|
|
Max 12V |
1.8,2.5,3.3,5V, ADJ |
±2% |
5mA |
5A |
TO252 TO263 |
TV,STB,PC主板 |
Bipolar, Low Dropout Voltage |
|
|
3~5.5V |
95μA |
12V/50mA |
620KHz |
±5% |
SOP8 |
OLED显示器,Flash擦写供电栅极偏压,玩具 |
Built in 7 MOSFET 3X Charge Pump |
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