Overview
The TPS3707-33DGNRG4 is a microprocessor supply-voltage supervisor from Texas Instruments, part of the TPS370x-xx family. This device is designed to provide circuit initialization and timing supervision, primarily for DSP and processor-based systems. It features an integrated reference and comparator for VDD supervision, an additional power-fail supervisor, and a manual reset function. The TPS3707-33DGNRG4 is available in an 8-pin MSOP-PowerPAD package, offering enhanced thermal performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VDD) | 2 V to 6 V | V |
| Threshold Voltage | 2.93 V | V |
| Maximum Supply Current | 50 µA | µA |
| Operating Temperature Range | –40°C to 125°C | °C |
| Package Type | 8-Pin MSOP-PowerPAD | |
| Junction-to-Ambient Thermal Resistance | 66.1 °C/W | °C/W |
| Power-Up Reset Delay Time | 140 ms to 280 ms | ms |
| Propagation Delay Time (VDD to RESET) | 3 µs to 5 µs | µs |
Key Features
- Power-on reset generator with a fixed delay time of 200 ms (no external capacitor needed)
- Precision supply voltage monitor for 2.5 V, 3 V, 3.3 V, and 5 V
- Pin-for-pin compatible with the MAX705 through MAX708 Series
- Integrated watchdog timer (for TPS3705-xx only)
- Voltage monitor for power-fail or low-battery warning
- Manual reset function
- Low supply current of 50 µA
- Operating temperature range of –40°C to 125°C
Applications
- Designs using DSPs, microcontrollers, or microprocessors
- Industrial equipment
- Programmable controls
- Automotive systems
- Portable or battery-powered equipment
- Intelligent instruments
- Wireless communication systems
- Notebook or desktop computers
Q & A
- What is the primary function of the TPS3707-33DGNRG4?
The primary function of the TPS3707-33DGNRG4 is to provide circuit initialization and timing supervision for DSP and processor-based systems.
- What is the threshold voltage for the TPS3707-33DGNRG4?
The threshold voltage for the TPS3707-33DGNRG4 is 2.93 V.
- What is the maximum supply current of the TPS3707-33DGNRG4?
The maximum supply current of the TPS3707-33DGNRG4 is 50 µA.
- What is the operating temperature range for the TPS3707-33DGNRG4?
The operating temperature range for the TPS3707-33DGNRG4 is –40°C to 125°C.
- What type of package does the TPS3707-33DGNRG4 come in?
The TPS3707-33DGNRG4 comes in an 8-pin MSOP-PowerPAD package.
- Does the TPS3707-33DGNRG4 have a watchdog timer?
No, the TPS3707-33DGNRG4 does not have a watchdog timer; this feature is available in the TPS3705-xx series.
- What is the power-up reset delay time for the TPS3707-33DGNRG4?
The power-up reset delay time for the TPS3707-33DGNRG4 is between 140 ms and 280 ms.
- What are some common applications for the TPS3707-33DGNRG4?
Common applications include designs using DSPs, microcontrollers, or microprocessors, industrial equipment, automotive systems, and portable or battery-powered equipment.
- Is the TPS3707-33DGNRG4 pin-for-pin compatible with other supervisors?
Yes, the TPS3707-33DGNRG4 is pin-for-pin compatible with the MAX705 through MAX708 Series.
- What is the junction-to-ambient thermal resistance for the TPS3707-33DGNRG4?
The junction-to-ambient thermal resistance for the TPS3707-33DGNRG4 is 66.1 °C/W.
