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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The TPS3809L30DBVT is a Supervisor Circuit with active-low push-pull output. The supervisory circuit provides circuit initialization and timing supervision, primarily for DSPs and processor-based systems. During power-on, /RESET is asserted when the supply voltage VDD becomes higher than 1.1V. Thereafter, the supervisory circuit monitors VDD and keeps /RESET active as long as VDD remains below the threshold voltage VIT. An internal timer delays the return of the output to the inactive state (high) to ensure proper system reset. The delay time, td(typ) of 200ms, starts after VDD has risen above the threshold voltage VIT. When the supply voltage drops below the threshold voltage VIT, the output becomes active (low) again. No external components are required. It has a fixed sense-threshold voltage VIT set by an internal voltage divider.
Pin-to-Pin-compatible with MAX 809
9.7µA Typical supply current
Green product and no Sb/Br

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TPS3809L30DBVT Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	3 Pin
Case/Package	SOT-23-3
Supply Voltage (DC)	2.00V (min)
Output Current	20 mA
Supply Current	0.025 mA
Number of Positions	3 Position
Power Dissipation	437 mW
Quiescent Current	9.00 µA
Threshold Voltage	2.64 V
Output Current (Max)	5 mA
Reset Threshold Voltage (Min)	2.58 V
Reset Threshold Voltage (Max)	2.7 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	437 mW
Supply Voltage	3 V
Supply Voltage (Max)	6 V
Supply Voltage (Min)	2 V
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Size-Length	2.9 mm
Size-Width	1.6 mm
Size-Height	1.15 mm
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

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