Features
? Sequence three voltage supplies independently
- Core and Logic I/O VCC power sequencer for processor
supplies
- Power up and power down control
- Voltage monitors have undervoltage lockout
- Internal charge pump drives external N-channel FET
switches
- Cascadable to sequence more than 3 supplies
- Time based or voltage based sequencing
? Status register bits monitor gate output status
? SMBus compatible Interface
? Slave address identification for up to 8 power sequencers
(24 supplies) on the same bus
? Surface mount 20-pin TSSOP Package
Applications
? Distributed Power Supply Designs
? Multi-voltage systems
? Multiprocessor systems
? Embedded Processor Applications
? Digital Signal Processors, FPGAs, ASICs, Memory
Controllers
? N + 1 Redundant Power Supplies
? Support for SSI – Server System Infrastructure
Specifications
? -48V Hotswap Power Backplane/Distribution
? Card Insertion Detection and Power
? Power Sequencing DC-DC Supplies
? Databus Power Interfacing
? Custom Industrial Power Backplanes
? Other: ATE, Data Acquisition, Mass Storage, Servers,
Data com, Wireless Basestations