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AS1374-BWLT1214 Datasheet(PDF) 2 Page - ams AG |
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AS1374-BWLT1214 Datasheet(HTML) 2 Page - ams AG |
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2 / 19 page  AS1374 Dual 200mA, Low-Noise, High-PSRR, Low Dropout Regulators Datasheet www.austriamicrosystems.com/LDOs/AS1374 Revision 1.8 1 - 18 1 General Description The AS1374 is a low-noise, low-dropout linear regulator with two separated outputs. Designed to deliver 200mA continuous output current at each output pin, the LDOs can achieve a low 120mV dropout for 200mA load current and are designed and optimized to work with low-cost, small-capacitance ceramic capacitors. An integrated P-channel MOSFET pass transistor allows the devices to maintain extremely low quiescent current (30µA). The AS1374 uses an advanced architecture to achieve ultra-low output voltage noise of 20µVRMS and a power-supply rejection-ratio of better than 85dB (@ 1kHz). Two active-High enable pins allows to switch on or off each output independently from each other. The AS1374 requires only 1µF output capacitor for stability at any load. The device is available in a 6-bump WLP package. Figure 1. AS1374 - Typical Application Circuit 2 Key Features Preset Output Voltages: 1.2V to 3.6V (in 50mV steps) Output Noise: 20µVRMS @ 100Hz to 100kHz Power-Supply Rejection Ratio: 85dB @ 1kHz Low Dropout: 120mV @ 200mA Load Stable with 1µF Ceramic Capacitor for any Load Guaranteed 200mA output Pull-Down Option in Shutdown (factory set) Extremely-Low Quiescent Current: 30µA Excellent Load/Line Transient Overcurrent and Thermal Protection 6-bump WLP Package 3 Applications The devices are ideal for mobile phones, wireless phones, PDAs, handheld computers, mobile phone base stations, Bluetooth portable radios and accessories, wireless LANs, digital cameras, personal audio devices, and any other portable, battery-powered application. AS1374 5 GND 4 EN 2 2 VDD 3 OUT 1 6 EN 1 C1 1µF Input 2V to 5.5V Output1 1.2V to 3.6V 1 OUT 2 C2 1µF C3 1µF Output2 1.2V to 3.6V |
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Similar Description - AS1374-BWLT1214 |
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