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TPS60203

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·E...

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SeekIC No. : 004526985 Detail

TPS60203: 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 Lo...

TPS60203 Data Sheet

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Part Number:
TPS60203
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



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 mA 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 mA Shutdown Current, Battery Is Isolated From Load in Shutdown Mode
·Compact Converter Solution in Ultra-Small 10-pin MSOP With Only Four External Capacitors Required
·Evaluation Module Available (TPS60200EVM-145)


Application

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


Pinout

Connection Diagram


Specifications

Voltage range: IN, OUT, EN, LBI, LBO, PG to GND 0.3 V to 3.6 V
C1+, C2+ to GND . . . . . . . . . . . . . . . . . . . 0.3 V to (VO + 0.3 V)
C1, C2 to GND . . . . . . . . . . . . . . . . . . . 0.3 V to (VI + 0.3 V)
Continuous total power dissipation . See dissipation rating table
Continuous output current TPS60200, TPS60201 . .         150 mA
Continuous output current TPS60202, TPS60203 . . .         75 mA
Storage temperature range, Tstg . . . . . . . .         55 to 150
Maximum junction temperature, TJ . . . . . . . . . . . . . .           150
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.


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.




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