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AP2138,9 PDF预览

AP2138,9

更新时间: 2024-11-24 12:26:47
品牌 Logo 应用领域
BCDSEMI /
页数 文件大小 规格书
25页 988K
描述
ULTRA LOW QUIESCENT CURRENT CMOS LDO

AP2138,9 数据手册

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Data Sheet  
ULTRA LOW QUIESCENT CURRENT CMOS LDO  
AP2138/2139  
General Description  
Features  
The AP2138/2139 series are CMOS-based positive  
voltage regulator ICs. Each of these ICs consists of a  
voltage reference, an error amplifier, a resistor network  
for setting output voltage and a current limit circuit for  
current protection.  
·
·
Ultra-low Quiescent Current: 1.0μA Typical  
Output Voltages: 1.2V, 1.4V, 1.5V, 1.8V, 2.5V,  
2.8V, 3.0V, 3.3V, 3.6V and 4.0V  
High Output Voltage Accuracy: ±2%  
Output Current: 250mA  
·
·
·
Low Dropout Voltage:  
The difference between AP2138 and AP2139 is the  
AP2139 has an enable circuit with a quick discharge  
function.  
25mV Typical at I  
=10mA and V  
=3V  
OUT  
OUT  
200mV Typical at I  
=100mA and V  
=3V  
OUT  
OUT  
·
·
·
Line Regulation: 6mV Typical  
Load Regulation: 25mV Typical  
Low Output Voltage Temperature Coefficient:  
These ICs feature high output voltage accuracy,  
extremely low quiescent current and low dropout volt-  
age which make them ideal for use in various power  
sources for portable applications.  
o
±100ppm/ C  
·
·
·
Low Standby Current: 0.1μA Typical (AP2139)  
Active Quick Output Discharge (AP2139)  
Logic-controlled Enable (AP2139)  
The AP2138/2139 series have 1.2V, 1.4V, 1.5V, 1.8V,  
2.5V, 2.8V, 3.0V, 3.3V, 3.6V and 4.0V fixed output  
voltage versions.  
Applications  
The AP2138 series is available in SOT-23-3 and SOT-  
89 packages, AP2139 series is available in SOT-23-5  
package.  
·
·
·
·
·
·
·
Battery Powered Equipment  
Reference Voltage Sources  
Cameras, Video Cameras  
Portable AV Systems  
Mobile Phones  
Communication Tools  
Portable Games  
SOT-23-5  
SOT-89  
SOT-23-3  
Figure 1. Package Types of AP2138/2139  
Jul. 2012 Rev. 2. 3  
BCD Semiconductor Manufacturing Limited  
1

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