CXLD64138是一个1.5A超低衰减线性稳压器。该产品是专门为主板NB和VGA卡应用提供良好的供应量。集成电路需要两个电源电压，一个用于电路的控制电压，一个用于功率转换的主电源电压，以减少功耗并提供极低的压降。CXLD64138将许多功能集成到一个包中。上电复位（POR）电路监测两个电源电压，以防止错误操作。热关机和电流限制功能可保护设备免受过热和电流过载的影响。POK表示内部设置的具有延时的输出状态。它可以控制其他变换器的功率顺序。
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产品概述 返回TOP
The CXLD64138 is a 1.5A ultra low dropout linear regulator. This product is specifically designed to provide well supply volatage for motherboards NB and VGA card applications. The IC needs two supply voltages, a control voltage for the circuitry and a main supply voltage for power conversion, to reduce power dissipation and provide extremely low dropout. The CXLD64138 integrates many functions into a single package. A Power-On-Reset (POR) circuit monitors both supply voltages to prevent wrong operations. Thermal shutdown and current limit functions protect the device against thermal and current over-loads. POK indicates the output status with time delay which is set internally. It can control other converter for power sequence. The CXLD64138 is enabled by other power system. Pulling and holding the EN pin below 0.3V to shuts off the output. The CXLD64138is available in SOP-8P package which features small size as SOP-8 and an Exposed Pad to reduce the junction-to-case resistance, being applicable in 1~2W applications
产品特点 返回TOP
· Ultra Low Dropout - 0.2V(typical) at 1.5A Output Current
· Low ESR Output Capacitor (Multi-layer Chip Capacitors (MLCC)) Applicable
· 0.8V Reference Voltage
· High Output Accuracy - ±1.5% over Line, Load, and Temperature
· Fast Transient Response
· Adjustable Output Voltage by External Resistors
· Power-On-Reset Monitoring on both VCNTL and VIN Pins
· Internal Soft-Start · Current-Limit Protection
· Under-Voltage Protection
· Thermal Shutdown with Hysteresis
· Power-OK Output with a Delay Time
· Shutdown for Standby or Suspend Mode
· Simple SOP-8P Package with Exposed Pad
· Lead Free and Green Devices Available (RoHS Compliant)
应用范围 返回TOP
· Note Book PC Applications
· Motherboard Applications
· VGA Card Applications
技术规格书（产品PDF) 返回TOP
需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！
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 |
|
◀ 上一篇:3A输出电流超低衰减线性稳压器CXLD64137上电复位POR电路监测两个电源电压EN引脚低于0.3V将关闭输出
下一篇▶:2A超低衰减线性稳压器CXLD64139关闭启用控制功能开漏输出电压指示器通电复位监控
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