
Maxim Integrated
General Description
The MAX1586/MAX1587 power-management ICs are optimized for devices using Intel XScale® microprocessors, including Smart Phones, PDAs, internet appliances, and other portable devices requiring substantial computing and multimedia capability at low power.
FEATUREs
♦ Six Regulators in One Package
Step-Down DC-DC for I/O at 1.3A
Step-Down DC-DC for Memory at 0.9A
Step-Down Serial-Programmed DC-DC for CORE
Up to 0.9A
Three LDO Outputs for SRAM, PLL, and USIM
Always-On Output for VCC_BATT
♦ Low Operating Current
60µA in Sleep Mode (Sleep LDOs On)
130µA with DC-DCs On (Core Off)
200µA All Regulators On, No Load
5µA Shutdown Current
♦ Optimized for XScale Processors
♦ Backup-Battery Input
♦ 1MHz PWM Switching Allows Small External Components
♦ Tiny 6mm x 6mm, 40-Pin and 7mm x 7mm, 48-Pin Thin QFN Packages
APPLICATIONs
PDA, Palmtop, and Wireless Handhelds
Third-Generation Smart Cell Phones
Internet Appliances and Web-Books