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PT1502DQFN

FEATURES

  1. ●Integrated switch for USB/AC Adapter supply

  2. ●120uA quiescent supply current(includesstep-down DC-DC converters and two low dropout regulators)

  3. ●Integrated single-cell lithium ion battery charger

  4. ◆Auto thermal regulated

  5. ◆Charging current up to 1.2 A

  6. ◆Charging current adjusted by external resistor

  7. ●Integrated step-down DC-DC converter

  8. ◆Output voltage adjusted by external resistor

  9. ◆Output current up to 800mA

  10. ◆1.5M Hz fixed switching frequency
    ◆ Over-current and over-temperature protection
    ●Integrated two low dropout regulators
    ◆LDO1: output voltage 3.0V,up to 300mA
    output current
    ◆ LDO2: output voltage optional for 2.5V/2.8V/3.0V/3.3V,up to 300mA output current
    ◆PSRR: 60dB@1k Hz
    ◆Over-current and over-temperature protection

  11. ●QFN20(4X4)package

  12. APPLICATIONS

  13. ◆MP3/4
    ◆PDAs
    ◆GSM/CDMA mobile phone
    ◆Portable media players

 


产品描述 产品规格 产品图

电源产品
LDO LINEAR REGULATOR
LI-ION BATTERY CHARGER
DC-DC CONVERTER
VOLTAGE DETECTOR/RESET IC
LOAD SWITCH
PMU
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