LTC4284IUHG#TRPBF
ActiveHIGH POWER NEGATIVE VOLTAGE HOT SWAP CONTROLLER WITH ENERGY MONITOR
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LTC4284IUHG#TRPBF
ActiveHIGH POWER NEGATIVE VOLTAGE HOT SWAP CONTROLLER WITH ENERGY MONITOR
Technical Specifications
Parameters and characteristics for this part
| Specification | LTC4284IUHG#TRPBF |
|---|---|
| Applications | Telecom |
| Current - Supply | 2.5 mA |
| Features | OVP, I2C, UVLO |
| Internal Switch(s) | False |
| Mounting Type | Surface Mount |
| Number of Channels | 1 |
| Operating Temperature [Max] | 85 °C |
| Operating Temperature [Min] | -40 °C |
| Package / Case | 44-WFQFN Exposed Pad |
| Programmable Features | Fault Timeout, Auto Retry, Latched Fault, UVLO, OVP, Current Limit |
| Supplier Device Package | 44-QFN (5x8) |
| Type | Hot Swap Controller, Monitor |
| Voltage - Supply [Max] | 12 V |
| Voltage - Supply [Min] | 10.8 VDC |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tape & Reel (TR) | 2500 | $ 10.91 | |
Description
General part information
LTC4284 Series
The LTC4284 negative voltage hot swap controller drives external N-channel MOSFETs to allow a board to be safely inserted and removed from a live backplane. The dual-gate, multi-mode drivers optimize the MOSFET safe operating area (SOA) for a variety of power levels. The SOA timer limits MOSFET temperature rise for reliable protection against overstresses.An I2C interface and onboard gear-shift ADC allow monitoring of board current, voltage, power, energy, and fault status. An available single-wire broadcast mode simplifies the interface by eliminating two isolators. The included EEPROM provides black-box capturing and nonvolatile configuration of fault behavior.Additional features respond to input UV/OV, interrupt the host when a fault has occurred, notify when output power is good, detect insertion of a board, turn off the MOSFETs if an external supply monitor fails to indicate power good within a timeout period, and auto-reboot after a programmable delay following a host commanded turn-off.APPLICATIONSTelecom Infrastructure–48V Distributed Power SystemsServers and Data CentersPower Monitors