TPS60200DGSG4 by Texas Instruments | APACCharge Pump | Avnet ASIA

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信息

TPS60200DGSG4

Texas Instruments

Charge Pump STPUP 3.3V 100mA 10-Pin VSSOP Tube

制造商料号#: TPS60200DGSG4

替代型号#: TPS60200DGSG4


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描述

文档

替代/替换

信息

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.

The devices operate in the newly developed LinSkip mode. In this operating mode, the device switches seamlessly from the power saving pulse-skip mode at light loads to the low-noise constant-frequency, linear-regulation mode once the output current exceeds the LinSkip threshold of about 7-mA. Even in pulse-skip mode the output ripple is maintained at a very low level because the output resistance of the charge pump is still regulated.

Three operating modes can be programmed using the EN pin. EN = low disables the device, shuts down all internal circuits and disconnects the output from the input. EN = high enables the device and programs it to run from the internal oscillator. The devices operate synchronized to an external clock signal if EN is clocked; thus switching harmonics can be controlled and minimized. The devices include a low-battery detector that issues a warning if the battery voltage drops below a user-defined threshold voltage or a power-good detector that goes active when the output voltage reaches about 90% of its nominal value.

Device options with either a low-battery or power good detector are available. This dc/dc converter requires no inductors therefore EMI of the system is reduced to a minimum. It is available in the small 10-pin MSOP package (DGS).

技术参数

  • 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 uA 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 uA 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)
  • Applications
    • Replaces DC/DC Converters With Inductors in Battery Powered Applications Like:
      • 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
  • 技术特性

    描述
    寻找类似物料
    Output Voltage
    3.3 V
    Mounting
    Surface Mount
    Supplier Package
    VSSOP
    Pin Count
    10
    Operating Temperature
    -40 to 85 °C
    Output Current
    100 mA
    Function
    Step Up
    MSL Level
    1
    Lead Finish
    Gold
    Max Processing Temp
    260
    Product Dimensions
    3 x 3 x 1.02 mm

    ECCN / UNSPSC

    描述
    ECCN:
    EAR99
    计划交货期 B:
    8542390000"
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101

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