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TPS3800G27DCKR-TPS3800G27DCKRG4
Ultra-Small Supply Voltage Supervisors
TPS380x... DCK PACKAGE
(TOP VIEW)
VDD = 1.8 V
100 nF
TMS320VC5420
GND
GND RESET
CoreVDD
VDD
TPS3800-xx
TPS3801-xx
TPS3802-xx
www.ti.com SLVS219E –AUGUST 1999–REVISED OCTOBER 2010
ULTRA-SMALL SUPPLY VOLTAGE SUPERVISORS
Checkfor Samples: TPS3800-xx, TPS3801-xx, TPS3802-xx
1FEATURES
DESCRIPTION Small, 5-Pin SC-70 (SOT-323) Package Supply Currentof9 mA The TPS380x familyof supervisory
supply voltages to provide circuit
• Power-On Reset Generator With Fixed Delay timing supervision, primarily for
Time processor-based systems.
– TPS3800= 100 msThese devices asserta push-pull RESET
– TPS3801= 200 ms the SENSE (adjustable version)or VDD
– TPS3802= 400 ms drops belowa preset threshold. The
remains asserted for the factory programmed
• Precision Supply Voltage Monitor 1.8V, 2.5V,time after the SENSE or VDD
2.7V,3V, 3.3V,5V, and Adjustablethreshold.
• Manual Reset Input (Except TPS3801-01)The TPS380x devices, except
• Temperature Range: –40°Cto +85°C incorporatea manual reset input (MR). causes RESETto become active.
APPLICATIONSThe TPS380x usesa precision reference
• Applications Using DSPs, Microcontrollers,or overall threshold accuracyof 2%—2.5%.
Microprocessorsdevices are availableina 5-pin
• Wireless Communication Systems whichis only about half the sizeof
• Portable/Battery-Powered Equipment package.
• Programmable Controls The TPS380x devices are fully
• Intelligent Instruments temperature rangeof –40°Cto +85°C.
• Industrial Equipment Notebook/Desktop Computers Automotive Systems