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MAX8887EZK29+T

  • In Stock: 93614
  • Available: 2500

Reference Price(In US Dollars)

QtyUnit PriceExt.Price
1+US $2.78520US $2.79
10+US $1.85680US $18.57
30+US $1.39260US $41.78
100+US $1.11408US $111.41
500+US $1.02124US $510.62
1000+US $0.92840US $928.40

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Description

The MAX886/MAX888 power-management ICs are complete power systems for wireless and satellite handsets.
The devices operate from 3 to 6-cell NiCd/NiMH batteries or from 1 or 2-cell Li-Ion batteries.
They incorporate a high-efficiency, step-down DC-DC converter, a regulated 5V charge pump, and four linear regulators.
The regulators supply power to the SIM, LCD, BB, DSP, and RF sections of a cellular telephone handset.
The step-down converter and linear regulator outputs are adjustable by internal 4-bit DACs, programmable through the I2C™-compatible serial interface. A pushbutton on/off scheme activates a 5µA low-power shutdown mode.
The devices also feature a low-battery detector output and an internal start-up timer.
Features
♦ 90% Efficient, 500mA Step-Down Converter
♦ Two 100mA DAC-Controlled LDOs One 200mA DAC-Controlled LDO One 20mA DAC-Controlled LDO
♦ 3 to 6-Cell NiCd or NiMH Operation 1 or 2-Cell Li-Ion Operation
♦ +2.7V to +12V Input Voltage Range
♦ 250µA Standby (PFM) Quiescent Current
♦ 5µA Shutdown Current
♦ I2C-Compatible Serial Interface
♦ Selectable 375kHz, 535kHz, 670kHz, 925kHz (or Synchronizable) Switching Frequency
♦ Power-On Reset and Start-Up Timer

Thermal Overload Protection
♦ Pushbutton On/Off Control
♦ Space-Saving 32-Pin TQFP Package (7mm x 7mm)Applications Satellite Phones Private Mobile Radio (PMR) Wireless Handsets GSM Cellular/PCS Telephones
Alternatives

Functional Equivalent (FE) materials, including Fused Filament Fabrication (FFF) form, assembly, and functionally compatible substitute materials.

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