X80200, X80201, X80202, X80203

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