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AP2138R-1.5TRG1 Datasheet(PDF) 1 Page - BCD Semiconductor Manufacturing Limited |
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AP2138R-1.5TRG1 Datasheet(HTML) 1 Page - BCD Semiconductor Manufacturing Limited |
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1 / 23 page  ULTRA LOW QUIESCENT CURRENT CMOS LDO AP2138/2139 Preliminary Datasheet 1 Jul. 2011 Rev. 2. 0 BCD Semiconductor Manufacturing Limited Figure 1. Package Types of AP2138/2139 SOT-23-3 General Description 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. The difference between AP2138 and AP2139 is the AP2139 has an enable circuit with a quick discharge function. 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. The AP2138/2139 series have 1.2V, 1.4V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V and 3.3V fixed output voltage ver- sions. The AP2138 series is available in SOT-23-3 and SOT- 89 packages, AP2139 series is available in SOT-23-5 package. Features · Ultra-low Quiescent Current: 1.0 µA Typical · Output Voltages: 1.2V, 1.4V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V and 3.3V · High Output Voltage Accuracy: ±2% · Output Current: 250mA · Low Dropout Voltage: 25mV Typical at IOUT=10mA and VOUT=3V 200mV Typical at IOUT=100mA and VOUT=3V · Line Regulation: 6mV Typical · Load Regulation: 25mV Typical · Low Output Voltage Temperature Coefficient: ±100ppm/oC · Low Standby Current: 0.1 µA Typical (AP2139) · Active Quick Output Discharge (AP2139) · Logic-controlled Enable (AP2139) Applications · Battery Powered Equipment · Reference Voltage Sources · Cameras, Video Cameras · Portable AV Systems · Mobile Phones · Communication Tools · Portable Games SOT-23-5 SOT-89 |
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