| Key Features •Ten Programmable High Performance LDOs - 2 Digital Low Power LDOs (0.75-2.5V, 200mA) - 3 RF Low Noise LDOs (1.85 - 3.4V, 150mA) - 2 RF Low Noise LDOs (1.85 - 3.4V, 75mA) - 1 SIM Low Power LDO (3.0V, 20mA) - 1 Periphery Low Noise LDO (2.5 - 3.2V, 150mA) - 1 Low Power LDO (2.5V, 10mA) •Programmable High Efficiency DC/DC Converters - Step Down: 1.0 - 3.0V, up to 500mA - Step Up: 15V, 45mA, (for White LEDs) •Stereo Audio Power Amplifier -0.5W @ 4Ω -stereo -1W @ 8Ω -bridged - Digital Volume Control, 3dB Steps - Click- and Pop-Less Start-Up and Power-Down •Complete Chemistry -Independent Battery Charger - Integrated Fuel Gauge - Automatic Trickle Charging - Programmable Constant Current Charging - Programmable Constant Voltage Charging - Programmable Pulse Charging - Safety Functions (Low Battery Shutdown) - Operation without Battery - No-Battery detection •Four 8-Bit Programmable Current Sources (0.625mA - 160mA) support: - Buzzer -Vibrator -LEDs •Wide Battery Supply Range 3.0V - 5.5V •Four General Purpose Switches (1Ω and 2Ω) •Four Programmable General Purpose I/O Pins •On-Chip Bandgap Tuning for High Accuracy (+/-1%) •Integrated Programmable Watchdog (7.5 - 1900ms) •Programmable Reset (10 - 110ms) •Shutdown Current typ 7μA (2.5V Always On) •Overcurrent and Thermal Protection •0.35μ CMOS Solution •48-pin, 6x6mm QFN Package (0.4mm pitch) •48-pin, 7x7mm QFN Package (0.5mm pitch) •2.1 Watt Power Dissipation @ TAMBIENT = 70ºC Application Multi-standard power management for mobile phones, PDAs, and 1-cell Li+ or 3 to 4-cell Ni-Mh powered devices. |
