TPS3809K33DBVR Rectifier Diode IC Chip Integrated Circuit Chip Program Memory
diode rectifier circuit
,signal schottky diode
TPS3809J25, TPS3809L30, TPS3809K33, TPS3809I50 3-PIN SUPPLY VOLTAGE SUPERVISORS
Features
3-Pin SOT-23 Package Supply Current of 9 µA (Typical) Precision
Supply Voltage Monitor 2.5 V, 3 V, 3.3 V, 5 V
Power-On Reset Generator With Fixed Delay Time of 200 ms
Pin-For-Pin Compatible With MAX 809
Temperature Range . . . –40°C to 85°C
APPLICATIONS
Applications Using DSPs, Microcontrollers, or Microprocessors
Wireless Communication Systems
Portable/Battery-Powered
Equipment Programmable Controls
Intelligent Instruments Industrial
Equipment Notebook/Desktop
Computers Automotive Systems
DESCRIPTIONS
The TPS3809 family of supervisory circuits 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 1.1 V.
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) = 200 ms, 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.
All the devices of this family have a fixed sense-threshold voltage VIT set by an internal voltage divider. The product spectrum is designed for supply voltages of 2.5 V, 3 V, 3.3 V, and 5 V. The circuits are available in a 3-pin SOT-23.
The TPS3809 devices are characterized for operation over a temperature range of –40°C to 85°C.
| ABSOLUTE MAXIMUM RATINGS(1) |
|
Supply voltage, VDD (see Note1) . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
All other pins (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to 7 V
Maximum low output current, IOL . . . . . . . . . . . . . . . . . . . . . 5 mA
Maximum high output current, IOH . . . . . . . . . . . . . . . . . . . . –5 mA
Input clamp current, IIK (VI<0 or VI >VDD) . . . . . . . . . . . . . . . ±20 mA
Output clamp current, IOK (VO<0 or VO>VDD) . . . . . . . . . . . . ±20 mA
Continuous total power dissipation See Dissipation Rating Table
Operating free-air temperature rang. . . . . . . . . . . . . . . . . –40°C to 85°C
Storage temperature range, Tstg . . . . . . . . . . . . . . . –65°C to 150°C
Soldering temperature . . . . . . . . . . . . . . . . . . . . . . 260°C
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