XX1188

XX1188 10-Channel Power Management Units for 3G Applications DESCRIPTION The XX1188 power-management IC (PMIC) is an complete, efficient, compact devices suitable for 3G cellular applications such as wireless data cards, handsets and PDAs,. It integrates a 2MHz synchronous buck regulator, nine low-dropout linear regulators (LDOs), a RESET generator, and an 32KHZ crystal driver and buffer. XX1188 is housed in a thin QFN4x4-28pin package. APPLICATIONS  3G wireless Cards  3G phones FEATURES  Buck converter for MSMC,1.2V/500mA  LDO1 for MSME, 1.8V/300mA  LDO2 for MSMP, 2.6V/300mA  LDO3 for MEMA, 2.6V/300mA  LDO4 for TCXO, 2.85V/50mA  LDO5 for RFTX, 2.1V/300mA  LDO6 for RFRX, 2.7V/150mA  LDO7 for USB, 3.3V/50mA  LDO8 for URIM, 3.0v/1.8v, 50mA  LDO9 for MMC, 3.0V/150mA  Independent ON/OFF control for LDO4,5,6,7,8,9  RESET generator  Inverter for 32Mhz crystal oscillator  QFN4x4-28L package PIN CONFIGURATION TYPICAL APPLICATION PWR_ON IN2 OUT1 + LDO1 - OUT2 + LDO2 - OUT5 EN56 + LDO5 - OUT6 EN8 + LDO6 - OUT8 CLK_OUT + LDO8 - UVLO & Thermal shutdown REF RESET Crystal Interver + LDO3 - nRESET IN1 IN2 OUT3 + LDO4 - + LDO9 - OUT4 EN4 LDO9 EN9 + LDO7 - 600mA DC-DC OUT7 EN7 LX FB REF XTALO XTALI Page 1 V1.1 XX1188 10-Channel Power Management Units for 3G Applications ABSOLUTE MAXIMUM RATINGS (Note: Exceeding these limits may damage the device. Exposure to absolute maximum rating conditions for long periods may affect device reliability.) IN1,IN2,...