TPS2346
OPTICAL NETWORK HOT SWAP POWER MANAGER
SLUS529 – MAY 2002
FEATURES
D Enables Hot Swap in High Availability Optical
Network Systems
D Programmable Current Slew Rate D Power Supply Sequencing D Sense Resistors Set Peak Current (IMAX) D Overcurrent Circuit Breaker at 2× IMAX D Precharge Output D Logic Low Power Good Output D Logic Low Enable Input D On-Chip Charge Pump D Low Sleep Mode Current D Under
voltage Lockout (UVLO) D Minimal External Parts Count D 24-pin TSSOP Package
TYPICAL APPLICATION
DESCRIPTION
The TPS2346 Optical Network Hot Swap Power Manager (HSPM) provides highly-integrated supply control of three positive (3.
3-V, 5-V, and 5.
15-V) and one negative (–5.
2-V) supply ra...