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G5130-32-T11U Datasheet(PDF) 1 Page - Global Mixed-mode Technology Inc |
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G5130-32-T11U Datasheet(HTML) 1 Page - Global Mixed-mode Technology Inc |
1 / 10 page Ver: 0.3 Preliminary Jun 15, 2005 TEL: 886-3-5788833 http://www.gmt.com.tw 1 G5130/G5131 Global Mixed-mode Technology Inc. PSM Step-up DC/DC Converter Features 1~4 Cell Alkaline Battery Operating Range Output Voltage Range: 2.5V~5.0V in 0.1V In- crements Minimum External Component (L, D, C) 100KHz Max. Oscillation Frequency 75% Duty Ratio Up to 80% Efficiency ±2% High Output Voltage Accuracy < 100ppm/°C Temperature Coefficient SOT-89 and SOT-23-5 Small Packages Applications Power Source for Portable Equipments Handheld Computers, Palmtops Digital Still Cameras, Camcorders Cellular Phones, Pagers Portable Multimedia Players General Description The G5130/G5131 boost converter is designed for use of main power source on portable equipments. It consist of an oscillator, PSM control logic circuit, an embedded power MOS (LX switch), accurate voltage reference, error amplifier, feedback resistors, and LX protection circuit. Only 3 external components (includes 1 inductor, 1 diode and 1 capacitor) are needed to construct the power application. For larger output power application, G5131 can be used to drive an external NPN device for more input current. Pin Configuration Typical Application Circuit Top View Top View SOT-89 12 3 SOT-23-5 12 3 G5130 1N5819 LX VOUT GND 27µH~120µH Battery VIN VOUT + - 22µF~100µF 2.5V~5.0V Step 0.1V G5131 1N5819 EXT VOUT GND 27µH~120µH Battery VIN VOUT + - 22µF~100µF 2.5V~5.0V Step 0.1V 54 Top View Top View Top View SOT-89 12 3 SOT-23-5 12 3 G5130 1N5819 LX VOUT GND 27µH~120µH Battery VIN VOUT + - 22µF~100µF 2.5V~5.0V Step 0.1V G5131 1N5819 EXT VOUT GND 27µH~120µH Battery VIN VOUT + - 22µF~100µF 2.5V~5.0V Step 0.1V 54 |
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