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TPS60200DGS Datasheet

Part NameDescriptionManufacturer
TPS60200DGS Regulated 3.3 V, 100-mA Low-Ripple Charge Pump Low Power DC/DC Converters Texas-Instruments
Texas Instruments Texas-Instruments
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Description
The TPS6020x step-up, regulated charge pumps generate a 3.3-V ±4% output voltage from a 1.8-V to 3.6-V input voltage. The devices are typically powered by two Alkaline, NiCd or NiMH battery cells and operate down to a minimum supply voltage of 1.6 V. Continuous output current is a minimum of 100 mA for the TPS60200 and TPS60201 and 50 mA for the TPS60202 and TPS60203, all from a 2-V input. Only four external capacitors are needed to build a complete low-ripple DC/DC converter. The push-pull operating mode of two single-ended charge pumps assures the low output voltage ripple as current is continuously transferred to the output.

Features
• Regulated 3.3-V Output Voltage With up to 100-mA Output Current From a 1.8-V to 3.6-V Input Voltage
• Less Than 5-mV (PP) Output Voltage Ripple Achieved With Push-Pull Topology
• Integrated Low-Battery and Power-Good Detector
• Switching Frequency Can Be Synchronized to External Clock Signal
• Extends Battery Usage With up to 90% Efficiency and 35-μA Quiescent Supply Current
• Reliable System Shutdown Because Output Capacitor Is Discharged When Device Is Disabled
• Easy-to-Design, Low-Cost, Low-EMI Power Supply Since No Inductors Are Used
• 0.05-μA Shutdown Current, Battery Is Isolated From Load in Shutdown Mode
• Compact Converter Solution in UltraSmall 10-pin MSOP With Only Four External Capacitors Required
• Evaluation Module Available (TPS60200EVM-145)

Applications
• Two Battery Cells to 3.3-V Conversion
• MP3 Portable Audio Players
• Battery-Powered Microprocessor Systems
• Backup-Battery Boost Converters
• PDAs, Organizers, and Cordless Phones
• Handheld Instrumentation
• Glucose Meters and Other Medical Instruments

 

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