CXLD64128A是一种低静态电流和低损耗线性稳压器，采用P沟道MOSFET为直流风扇供电，输出电流可达600毫安。在可调模式下，输出电压跟随VSET引脚上电压的1.6倍动态调整直流风扇转速；在全速模式下，内部P沟道MOSFET完全接通驱动DC风扇，全速运行的最大电源电压。具有低140Ma静态电流的CXLD64128/A对于电池供电的系统设备是理想的
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产品概述 返回TOP
The CXLD64128/A is a low quiescent current and low dropout linear regulator which is designed with a P-channel pass MOSFET to power a DC fan and delivers output current up to 600mA. In adjustable mode, the output voltage follows the 1.6 times of the voltage on VSET pin to dynamically adjust the DC fan speed; in full speed mode, the internal P-channel MOSFET fully turns on to drive the DC fan with maximum supply voltage for full speed operation.The CXLD64128/A with low 140mA quiescent current is ideal for battery-powered system appliances. It is also stable with a low-ESR ceramic output capacitor ( 2.2mF typical) to reduce total cost and to minimize the PCB area required. The CXLD64128/A features current-limit (with foldback current) and over-temperature protections to protect the device against current over-loads and overtemperature. The CXLD64128/A is available in a SOP-8 package.
产品特点 返回TOP
· Low Dropout Voltage: 220mV (typical) @ 600mA
· Low Quiescent Current: 140mA
· Selectable Adjustable/Full Speed Mode
· O/I Voltage Ratio in Adjustable Mode : 1.6 times
· Stable with Low ESR Ceramic Capacitors
· Over-Temperature Protection
· Current-Limit Protection with Foldback Current
· Internal Soft-Start
· SOP-8 Package
· Lead Free and Green Devices Available (RoHS Compliant)
应用范围 返回TOP
· Notebook Fan Driver
· Motherboards
· PC Peripherals
· Battery-Powered System
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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Linear Regulator > Single Output LDO Regulator |
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|
Part_No |
Package |
Input Voltag (V) |
VCNTL Voltage (V) |
Quies. Curre. (uA) |
Ref. Volta. (V) |
Fixed Output Voltage (V) |
Out. Curr. (max) (A) |
Dro. Volt. (V) |
EN |
POK |
High PSRR |
Low Noise |
||
|
min |
max |
min |
max |
|||||||||||
|
TO220/TO252/TO263 |
2.75 |
7 |
N |
N |
8000 |
1.25 |
3.3 |
5 |
1.3 |
N |
N |
N |
N |
|
|
TO220/TO252/TO263 |
1.75 |
7 |
N |
N |
8000 |
1.25 |
3.3 |
3 |
1.3 |
N |
N |
N |
N |
|
|
SOT223/TO252/TO220 |
2.75 |
12 |
N |
N |
5500 |
1.25 |
1.8/2.5/2.85 /3.3 |
1.5 |
1.3 |
N |
N |
N |
N |
|
|
SOT89/TO92 SOT223/TO252 |
3.1 |
9 |
N |
N |
5500 |
1.25 |
1.8/2.5/3.3 |
0.8 |
1.3 |
N |
N |
N |
N |
|
|
SOT89/TO92 |
3.1 |
9 |
N |
N |
5500 |
1.25 |
1.8/2.5/3.3 |
0.8 |
1.3 |
N |
N |
N |
N |
|
|
SOT89/TO92 |
2.95 |
9 |
N |
N |
5500 |
1.25 |
N |
0.5 |
1.3 |
N |
N |
N |
N |
|
|
SOT223 |
2.9 |
9 |
N |
N |
5500 |
N |
1.2 |
0.6 |
1.4 |
N |
N |
N |
N |
|
|
SOP-8 |
2.75 |
12 |
N |
N |
5500 |
1.25 |
3.3 |
1 |
1.1 |
N |
N |
N |
N |
|
|
SOP-8 |
3 |
6 |
N |
N |
50 |
N |
2.5 |
1 |
0.21 |
N |
N |
Y |
N |
|
|
TO220-5/TO263-5 TO252-5/SOP8P |
2.05 |
5.5 |
2.75 |
5.5 |
8000 |
1.25 |
1.5/1.8/2.5 |
5 |
0.52 |
N |
N |
Y |
N |
|
|
TO220-5/TO263-5 TO252-5 |
2.05 |
5.5 |
2.75 |
12 |
8000 |
1.25 |
N |
3 |
0.45 |
N |
N |
Y |
N |
|
|
SOT-23-5/SOT-23-3 SOT-89 |
2 |
6 |
N |
N |
4 |
N |
1.2~ 3.5 |
0.15 |
0.2 |
Y |
N |
N |
N |
|
|
SOT23-5 |
2.7 |
6 |
N |
N |
50 |
N |
1.3 ~ 5.0 |
0.15 |
0.3 |
Y |
N |
N |
N |
|
|
SOT23-5/SOT89/SOP8 |
5.4 |
25 |
N |
N |
15 |
1.24 |
3.3/5 |
0.15 |
0.75 |
Y |
N |
N |
N |
|
|
SOT23-5/SOT89 SOP8P |
6.5 |
25 |
N |
N |
70 |
1.24 |
3.3/5 |
0.15 |
1.9 |
T |
N |
N |
N |
|
|
SOT25 |
2.7 |
6 |
N |
N |
60 |
N |
1.2 |
0.15 |
1.5 |
Y |
Y |
N |
N |
|
|
SOT23/SOT89 |
2.7 |
6 |
N |
N |
50 |
N |
1.3~ 3.4/5 |
0.3 |
0.4 |
Y |
N |
N |
N |
|
|
SOT23/SOT25/SOT89 |
2.7 |
6 |
N |
N |
60 |
N |
1.5~ 4.5 |
0.3 |
0.4 |
N |
N |
N |
N |
|
|
SOT25 |
2.8 |
6 |
N |
N |
135 |
0.8 |
1.2,1.5,1.8, 2.5,3.3 |
0.3 |
0.23 |
Y |
N |
N |
N |
|
|
SOT25 |
2.8 |
6 |
N |
N |
135 |
N |
1.2/3.3 |
0.3 |
0.17 |
Y |
Y |
N |
N |
|
|
SOT25 |
2.8 |
6 |
N |
N |
135 |
0.8 |
1.2 |
0.3 |
0.23 |
Y |
N |
N |
N |
|
|
SOT23/SOT25/TSOT25 SC70-5/VTDFN1.2x1.6 -4/TDFN1.6x1.6-6 |
2.5 |
6 |
N |
N |
40 |
N |
1.2~3.7 |
0.3 |
0.52 |
Y |
N |
Y |
N |
|
|
SOT25 |
3 |
6 |
N |
N |
135 |
1.25 |
N |
0.3 |
0.5 |
Y |
N |
N |
N |
|
|
SOT25 |
2.7 |
6 |
N |
N |
135 |
0.8 |
N |
0.3 |
0.5 |
Y |
N |
N |
N |
|
|
SOT25 |
3 |
6 |
N |
N |
135 |
1.2 |
N |
0.3 |
0.5 |
Y |
N |
N |
N |
|
|
SOP-8P |
1.2 |
3.5 |
3 |
6 |
2000 |
N |
0.8~3 |
2 |
0.47 |
Y |
N |
N |
N |
|
|
SOP8/TSSOP8 |
2.7 |
6 |
N |
N |
120 |
N |
1.3~3.4 |
0.5 |
0.3 |
Y |
N |
N |
N |
|
|
SOT23/SOT89/SOT223 |
2.7 |
6 |
N |
N |
60 |
N |
1.5~4.5 |
0.56 |
0.6 |
N |
N |
N |
N |
|
|
SOT23/SOT89/SOT223 |
2.9 |
6 |
N |
N |
140 |
N |
1.0~5.0 |
0.6 |
0.22 |
N |
N |
N |
N |
|
|
SOP8 |
2.9 |
6 |
N |
N |
140 |
N |
1.2,1.5, 1.8,2.5, 2.8,3,3.3 |
0.6 |
0.22 |
N |
N |
N |
N |
|
|
SOP8 |
2.9 |
6 |
N |
N |
140 |
0 |
N |
0.6 |
0.25 |
Y |
N |
N |
N |
|
|
SOP8 |
4.5 |
6 |
N |
N |
140 |
0 |
N |
0.6 |
0.25 |
N |
N |
N |
N |
|
|
TDFN3x3-10 |
1.2 |
5.5 |
3 |
5.5 |
1000 |
0.8 |
N |
1 |
0.12 |
Y |
Y |
N |
N |
|
|
SOT-89/TO-92 |
2.75 |
9 |
N |
N |
6000 |
1.25 |
2.85/3.3/3.5 |
0.3 |
1.2 |
N |
N |
N |
N |
|
|
SOT-89/TO-92 |
2.95 |
9 |
N |
N |
6000 |
1.25 |
1.8,2.5, 2.6,2.8,3.3 |
0.45 |
1.3 |
N |
N |
N |
N |
|
|
SOT-89/TO-92 |
2.75 |
9 |
N |
N |
6000 |
1.25 |
2.85/3.3 |
0.3 |
1.2 |
N |
N |
N |
N |
|
|
SOT-89/TO-92 |
2.95 |
9 |
N |
N |
6000 |
1.25 |
1.8/2.5/3.3 |
0.5 |
1.3 |
N |
N |
N |
N |
|
|
SOT89/SOT223/TO252 |
2.7 |
6 |
N |
N |
50 |
N |
1.3~3.4 |
0.9 |
0.21 |
Y |
N |
Y |
N |
|
|
SOP-8 |
1 |
5.5 |
3 |
5.5 |
1000 |
0.8 |
N |
1 |
0.12 |
Y |
Y |
N |
N |
|
|
SOP-8P |
1.1 |
3.3 |
3 |
6 |
1000 |
0.8 |
N |
5 |
0.15 |
Y |
Y |
N |
N |
|
|
SOP-8P |
1.1 |
3.3 |
3 |
6 |
1000 |
0.8 |
N |
4 |
0.17 |
Y |
Y |
N |
N |
|
|
SOP-8P |
1.1 |
3.5 |
3 |
6 |
1000 |
0.8 |
N |
1.5 |
0.12 |
Y |
Y |
N |
N |
|
|
SOP-8P |
1.2 |
5.5 |
3 |
5.5 |
1000 |
0.8 |
N |
2 |
0.24 |
Y |
Y |
N |
N |
|
|
SOP-8 |
1.2 |
3.65 |
3 |
5.5 |
1000 |
0.8 |
N |
3 |
0.23 |
Y |
Y |
N |
N |
|
|
SOP-8 |
1.2 |
5.5 |
3 |
5.5 |
1000 |
0.8 |
N |
3 |
0.23 |
Y |
Y |
N |
N |
|
|
SOP8P/TDFN3x3-10 |
1.2 |
5.5 |
3 |
5.5 |
100 |
0.8 |
N |
3 |
0.23 |
Y |
Y |
N |
N |
|
|
SOP-8P |
1.2 |
3.65 |
3 |
5.5 |
1000 |
0.8 |
N |
4 |
0.3 |
Y |
Y |
N |
N |
|
|
SOP-8P/TDFN3x3-10 |
1 |
5.25 |
3 |
5.5 |
1000 |
0.8 |
N |
5 |
0.15 |
Y |
Y |
N |
N |
|
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