TPS76030, TPS76032, TPS76033, TPS76038, TPS76050 LOW-POWER 50-mA LOW-DROPOUT LINEAR REGULATORS
Features
50-mA Low-Dropout Regulator
Fixed Output Voltage Options: 5 V, 3.8 V, 3.3 V, 3.2 V, and 3 V
Dropout Typically 120 mV at 50 mA
Thermal Protection
Less Than 1 µA
Quiescent Current in Shutdown –40°C to 125°C
Operating Junction Temperature Range
5-Pin SOT-23 Package
ESD Protection Verified to 1.5 kV
Human Body Model (HBM) per MIL-STD-883C
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) |
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Input voltage range, VI ‡ . . . . . . . . . . . .. . . . . –0.3 V to 16 V
Voltage range at EN . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to + 0.3 V
Peak output current internally limited . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous total dissipation See dissipation table . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .
Operating junction temperature range, TJ . . . . . . . . . . . . . . . . . . –40 °C to 150°C
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . –65°C to 150°C
ESD rating, HBM . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5 kV
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