GENERAL DESCRIPTION
FEATURES
♦ PCI Express Compliant ♦ Hot Swaps 12V, 3.3V, and 3.3V Auxiliary for 2 PCI-E Slots ♦ Integrated Power MOSFET for Auxiliary Supply Rails ♦ Controls dI/dt and dV/dt ♦ Active Current Limiting Protects Against Overcurrent/Short-Circuit Conditions ♦ Programmable Current-Limit Timeout ♦ PWRGD Signal Outputs with Programmable Power-On Reset (POR) (160ms Default) ♦ Latched FAULT Signal Output after Overcurrent or Overtemperature Fault ♦ Attention Switch Inputs/Outputs with 4ms Debounce ♦ Present-Detect Inputs ♦ Forced-On Inputs Facilitates Testing ♦ Thermal Shutdown ♦ Allows Control through SMBus with an I/O Expander MAX5946 APPLICATIONS
Servers Desktop Mobile Server Platforms Workstations Embedded Devices PRES-DETA FONA ONA AUXONA 12SA+ 12SA12GA 3.3SA+ 3.3SA1 2 3 4 5 6 7 8 9 36 35 34 33 32 31 30 29 28 PGND GND TOP VIEW 12VIN INPUT1 OUTPUT1 OUTPUT2 INPUT2 TIM PORADJ An integrated debounced attention switch and present-detect signals are included to simplify system design.