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LTC2900 Datasheet

LTC2900 Datasheet

Programmable Quad Supply Monitor with Adjustable Reset Timer
Part No.: LTC2900
Page: 16 Pages
Size: 182 KB
Manufacturer: Linear Technology
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Update Time: 2024-12-21 11:33:48
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LTC2900 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTC2900-1CMS#PBF Tube 50 LTYJ 1 10 0°C ~ 70°C 10-Lead MSOP  
LTC2900-1CMS#TRPBF Reel 2500 LTYJ 1 10 0°C ~ 70°C 10-Lead MSOP  
LTC2900-1IMS#PBF Tube 50 LTYK 1 10 -40°C ~ 85°C 10-Lead MSOP  
LTC2900-1IMS#TRPBF Reel 2500 LTYK 1 10 -40°C ~ 85°C 10-Lead MSOP  
LTC2900-2CMS#PBF Tube 50 LTYL 1 10 0°C ~ 70°C 10-Lead MSOP  
LTC2900-2CMS#TRPBF Reel 2500 LTYL 1 10 0°C ~ 70°C 10-Lead MSOP  
LTC2900-2IMS#PBF Tube 50 LTYM 1 10 -40°C ~ 85°C 10-Lead MSOP  
LTC2900-2IMS#TRPBF Reel 2500 LTYM 1 10 -40°C ~ 85°C 10-Lead MSOP  
LTC2900-1CDD#PBF Tube 121 LABU 1 10 0°C ~ 70°C 10-Lead DFN (3mm x 3mm)  
LTC2900-1CDD#TRPBF Reel 2500 LABU 1 10 0°C ~ 70°C 10-Lead DFN (3mm x 3mm)  
LTC2900-1IDD#PBF Tube 121 LABV 1 10 -40°C ~ 85°C 10-Lead DFN (3mm x 3mm)  
LTC2900-1IDD#TRPBF Reel 2500 LABV 1 10 -40°C ~ 85°C 10-Lead DFN (3mm x 3mm)  
LTC2900-2CDD#PBF Tube 121 LABW 1 10 0°C ~ 70°C 10-Lead DFN (3mm x 3mm)  
LTC2900-2CDD#TRPBF Reel 2500 LABW 1 10 0°C ~ 70°C 10-Lead DFN (3mm x 3mm)  
LTC2900-2IDD#PBF Tube 121 LABX 1 10 -40°C ~ 85°C 10-Lead DFN (3mm x 3mm)  
LTC2900-2IDD#TRPBF Reel 2500 LABX 1 10 -40°C ~ 85°C 10-Lead DFN (3mm x 3mm)  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTC2900 Datasheet(PDF)

LTC2900 Datasheet(Picture)

LTC2900 Features

  • Simultaneously Monitors Four Supplies
  • 16 User Selectable Combinations of 5V, 3.3V, 3V, 2.5V, 1.8V, 1.5V and/or ±Adjustable Voltage Thresholds
  • Guaranteed Threshold Accuracy: ±1.5% of Monitored Voltage Over Temperature
  • Low Supply Current: 43µA Typ
  • Adjustable Reset Time
  • Small MSOP and 3mm × 3mm DFN Packages
  • Manual Reset Pin
  • Open-Drain RST Output (LTC2900-1)
  • Push-Pull RST Output (LTC2900-2)
  • Power Supply Glitch Immunity
  • Guaranteed RST for VCC ≥ 1V

LTC2900 Applications

  • Desktop and Notebook Computers
  • Multivoltage Systems
  • Telecom Equipment
  • Portable Battery-Powered Equipment
  • Network Servers

LTC2900 Description

The LTC2900 is a programmable supply monitor for systems with up to four supply voltages. One of 16 preset or adjustable voltage monitor combinations can be selected using an external resistor divider connected to the program pin. The preset voltage thresholds are accurateto ±1.5% over temperature.

The reset delay time is adjustable using an external capacitor and the manual reset input may be used with a momentary switch to issue reset pulses with programmed duration. Tight voltage threshold accuracy and glitch immunity ensure reliable reset operation without false triggering. The RST output is guaranteed to be in the correct state for VCC down to 1V. The LTC2900-1 features an open-drain RST output, while the LTC2900-2 has a push-pull RST output.

The 43µA supply current makes the LTC2900 ideal for power conscious systems and it may be configured to monitor less than four inputs. The parts are available in the 10-lead MSOP and the 10-lead 3mm × 3mm DFN packages.

LTC2900 Datasheet Related Parts

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