INTRODUCTION
The SMB119 is a highly integrated and flexible seven-channel power manager designed for use in a wide range of portable applications. The built-in digital programmability allows system designers to custom tailor the device to suit almost any multi-channel power supply application from digital camcorders to mobile phones.
FEATURES & APPLICATIONS
⢠Digital programming of all major parameters via I2C interface and non-volatile memory
o Output voltage setpoint/margining
o Sequencing & digital soft start
o Enable/Disable outputs independently
o Input/Output UV/OV voltage thresholds
o PWM/PFM mode
⢠Seven programmable regulator channels with 1.5% accuracy
o Three synchronous step-down (buck) with internal PFETs
o Two step-up (boost)
o One configurable step-up (boost) or step-down (buck)
o One adjustable output voltage LDO
⢠+2.7V to +6.0V Input Range (Higher system voltages supported)
⢠Built-in current limiting, UV/OV, and thermal protection
⢠Highly accurate reference and output voltage (<1.5%)
⢠1MHz PWM frequency and automatic power-saving PFM mode
⢠96 bytes of user configurable nonvolatile memory
⢠Space-saving 7x7 QFN-48 package
Applications
⢠Portable Media Players
⢠Digital camcorders/still cameras
⢠Smart PDA/Camera phones
⢠Handheld GPS/PDAs
⢠Portable Equipment
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